diff --git a/d2common/d2data/d2datadict/level_presets.go b/d2common/d2data/d2datadict/level_presets.go
index d87c780b..9077df64 100644
--- a/d2common/d2data/d2datadict/level_presets.go
+++ b/d2common/d2data/d2datadict/level_presets.go
@@ -4,7 +4,7 @@ import (
 	"log"
 	"strings"
 
-	dh "github.com/OpenDiablo2/OpenDiablo2/d2common/d2helper"
+	dh "github.com/OpenDiablo2/OpenDiablo2/d2common"
 )
 
 type LevelPresetRecord struct {
diff --git a/d2common/d2data/d2datadict/level_types.go b/d2common/d2data/d2datadict/level_types.go
index aed8c0d8..2ed92de8 100644
--- a/d2common/d2data/d2datadict/level_types.go
+++ b/d2common/d2data/d2datadict/level_types.go
@@ -4,7 +4,7 @@ import (
 	"log"
 	"strings"
 
-	dh "github.com/OpenDiablo2/OpenDiablo2/d2common/d2helper"
+	dh "github.com/OpenDiablo2/OpenDiablo2/d2common"
 )
 
 type LevelTypeRecord struct {
diff --git a/d2common/d2data/d2datadict/map_helper.go b/d2common/d2data/d2datadict/map_helper.go
index d6e26795..54711c2a 100644
--- a/d2common/d2data/d2datadict/map_helper.go
+++ b/d2common/d2data/d2datadict/map_helper.go
@@ -3,7 +3,7 @@ package d2datadict
 import (
 	"strings"
 
-	dh "github.com/OpenDiablo2/OpenDiablo2/d2common/d2helper"
+	dh "github.com/OpenDiablo2/OpenDiablo2/d2common"
 )
 
 func MapHeaders(line string) map[string]int {
diff --git a/d2common/d2data/d2datadict/missiles.go b/d2common/d2data/d2datadict/missiles.go
index 13c6e721..4037c3e7 100644
--- a/d2common/d2data/d2datadict/missiles.go
+++ b/d2common/d2data/d2datadict/missiles.go
@@ -5,8 +5,7 @@ import (
 	"strings"
 
 	"github.com/OpenDiablo2/OpenDiablo2/d2common"
-
-	dh "github.com/OpenDiablo2/OpenDiablo2/d2common/d2helper"
+	dh "github.com/OpenDiablo2/OpenDiablo2/d2common"
 )
 
 type MissileCalcParam struct {
diff --git a/d2common/d2data/d2datadict/objects.go b/d2common/d2data/d2datadict/objects.go
index 15b8a09c..3e30e9ba 100644
--- a/d2common/d2data/d2datadict/objects.go
+++ b/d2common/d2data/d2datadict/objects.go
@@ -4,7 +4,7 @@ import (
 	"log"
 	"strings"
 
-	dh "github.com/OpenDiablo2/OpenDiablo2/d2common/d2helper"
+	dh "github.com/OpenDiablo2/OpenDiablo2/d2common"
 )
 
 // An ObjectRecord represents the settings for one type of object from objects.txt
diff --git a/d2common/d2data/d2datadict/sounds.go b/d2common/d2data/d2datadict/sounds.go
index 71f5d3a2..61e4a8e0 100644
--- a/d2common/d2data/d2datadict/sounds.go
+++ b/d2common/d2data/d2datadict/sounds.go
@@ -4,7 +4,7 @@ import (
 	"log"
 	"strings"
 
-	dh "github.com/OpenDiablo2/OpenDiablo2/d2common/d2helper"
+	dh "github.com/OpenDiablo2/OpenDiablo2/d2common"
 )
 
 // SoundEntry represents a sound entry
diff --git a/d2common/d2data/d2datadict/unique_items.go b/d2common/d2data/d2datadict/unique_items.go
index 2450a3aa..bb73b75a 100644
--- a/d2common/d2data/d2datadict/unique_items.go
+++ b/d2common/d2data/d2datadict/unique_items.go
@@ -6,7 +6,7 @@ import (
 
 	"github.com/OpenDiablo2/OpenDiablo2/d2common"
 
-	dh "github.com/OpenDiablo2/OpenDiablo2/d2common/d2helper"
+	dh "github.com/OpenDiablo2/OpenDiablo2/d2common"
 )
 
 type UniqueItemRecord struct {
diff --git a/d2common/d2fileformats/d2dcc/dcc_direction.go b/d2common/d2fileformats/d2dcc/dcc_direction.go
index fcb04e91..9a482f69 100644
--- a/d2common/d2fileformats/d2dcc/dcc_direction.go
+++ b/d2common/d2fileformats/d2dcc/dcc_direction.go
@@ -4,7 +4,6 @@ import (
 	"log"
 
 	"github.com/OpenDiablo2/OpenDiablo2/d2common"
-	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2helper"
 )
 
 type DCCDirection struct {
@@ -50,10 +49,10 @@ func CreateDCCDirection(bm *d2common.BitMuncher, file DCC) DCCDirection {
 	// Load the frame headers
 	for frameIdx := 0; frameIdx < file.FramesPerDirection; frameIdx++ {
 		result.Frames[frameIdx] = CreateDCCDirectionFrame(bm, result)
-		minx = int(d2helper.MinInt32(int32(result.Frames[frameIdx].Box.Left), int32(minx)))
-		miny = int(d2helper.MinInt32(int32(result.Frames[frameIdx].Box.Top), int32(miny)))
-		maxx = int(d2helper.MaxInt32(int32(result.Frames[frameIdx].Box.Right()), int32(maxx)))
-		maxy = int(d2helper.MaxInt32(int32(result.Frames[frameIdx].Box.Bottom()), int32(maxy)))
+		minx = int(d2common.MinInt32(int32(result.Frames[frameIdx].Box.Left), int32(minx)))
+		miny = int(d2common.MinInt32(int32(result.Frames[frameIdx].Box.Top), int32(miny)))
+		maxx = int(d2common.MaxInt32(int32(result.Frames[frameIdx].Box.Right()), int32(maxx)))
+		maxy = int(d2common.MaxInt32(int32(result.Frames[frameIdx].Box.Bottom()), int32(maxy)))
 	}
 	result.Box = d2common.Rectangle{minx, miny, (maxx - minx), (maxy - miny)}
 	if result.OptionalDataBits > 0 {
diff --git a/d2common/d2fileformats/d2ds1/ds1.go b/d2common/d2fileformats/d2ds1/ds1.go
index ee76b4e1..6e15ffde 100644
--- a/d2common/d2fileformats/d2ds1/ds1.go
+++ b/d2common/d2fileformats/d2ds1/ds1.go
@@ -5,7 +5,6 @@ import (
 	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2data"
 	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2data/d2datadict"
 	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2enum"
-	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2helper"
 )
 
 type DS1 struct {
@@ -37,7 +36,7 @@ func LoadDS1(fileData []byte) DS1 {
 	ds1.Width = br.GetInt32() + 1
 	ds1.Height = br.GetInt32() + 1
 	if ds1.Version >= 8 {
-		ds1.Act = d2helper.MinInt32(5, br.GetInt32()+1)
+		ds1.Act = d2common.MinInt32(5, br.GetInt32()+1)
 	}
 	if ds1.Version >= 10 {
 		ds1.SubstitutionType = br.GetInt32()
diff --git a/d2common/d2fileformats/d2mpq/mpq_stream.go b/d2common/d2fileformats/d2mpq/mpq_stream.go
index 9442fa9b..21f14039 100644
--- a/d2common/d2fileformats/d2mpq/mpq_stream.go
+++ b/d2common/d2fileformats/d2mpq/mpq_stream.go
@@ -10,9 +10,9 @@ import (
 	"log"
 	"strings"
 
-	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2helper"
-
 	"github.com/JoshVarga/blast"
+
+	"github.com/OpenDiablo2/OpenDiablo2/d2common"
 	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2data/d2compression"
 )
 
@@ -104,7 +104,7 @@ func (v *Stream) readInternalSingleUnit(buffer []byte, offset, count uint32) uin
 		v.loadSingleUnit()
 	}
 
-	bytesToCopy := d2helper.Min(uint32(len(v.CurrentData))-v.CurrentPosition, count)
+	bytesToCopy := d2common.Min(uint32(len(v.CurrentData))-v.CurrentPosition, count)
 	copy(buffer[offset:offset+bytesToCopy], v.CurrentData[v.CurrentPosition:v.CurrentPosition+bytesToCopy])
 	v.CurrentPosition += bytesToCopy
 	return bytesToCopy
@@ -113,7 +113,7 @@ func (v *Stream) readInternalSingleUnit(buffer []byte, offset, count uint32) uin
 func (v *Stream) readInternal(buffer []byte, offset, count uint32) uint32 {
 	v.bufferData()
 	localPosition := v.CurrentPosition % v.BlockSize
-	bytesToCopy := d2helper.MinInt32(int32(len(v.CurrentData))-int32(localPosition), int32(count))
+	bytesToCopy := d2common.MinInt32(int32(len(v.CurrentData))-int32(localPosition), int32(count))
 	if bytesToCopy <= 0 {
 		return 0
 	}
@@ -127,7 +127,7 @@ func (v *Stream) bufferData() {
 	if requiredBlock == v.CurrentBlockIndex {
 		return
 	}
-	expectedLength := d2helper.Min(v.BlockTableEntry.UncompressedFileSize-(requiredBlock*v.BlockSize), v.BlockSize)
+	expectedLength := d2common.Min(v.BlockTableEntry.UncompressedFileSize-(requiredBlock*v.BlockSize), v.BlockSize)
 	v.CurrentData = v.loadBlock(requiredBlock, expectedLength)
 	v.CurrentBlockIndex = requiredBlock
 }
diff --git a/d2common/d2helper/math.go b/d2common/math.go
similarity index 99%
rename from d2common/d2helper/math.go
rename to d2common/math.go
index 60bd2aa4..973bf3e7 100644
--- a/d2common/d2helper/math.go
+++ b/d2common/math.go
@@ -1,4 +1,4 @@
-package d2helper
+package d2common
 
 import "math"
 
diff --git a/d2common/d2helper/stringutils.go b/d2common/stringutils.go
similarity index 98%
rename from d2common/d2helper/stringutils.go
rename to d2common/stringutils.go
index 33145f1a..739747ee 100644
--- a/d2common/d2helper/stringutils.go
+++ b/d2common/stringutils.go
@@ -1,4 +1,4 @@
-package d2helper
+package d2common
 
 import (
 	"bytes"
@@ -141,7 +141,7 @@ func SplitIntoLinesWithMaxWidth(fullSentence string, maxChars int) []string {
 }
 
 func splitCjkIntoChunks(str string, chars int) []string {
-	chunks := make([]string, chars / len(str))
+	chunks := make([]string, chars/len(str))
 	i, count := 0, 0
 	for j, ch := range str {
 		if ch < unicode.MaxLatin1 {
diff --git a/d2common/d2helper/timeutils.go b/d2common/timeutils.go
similarity index 84%
rename from d2common/d2helper/timeutils.go
rename to d2common/timeutils.go
index b49e2116..5c5dfd85 100644
--- a/d2common/d2helper/timeutils.go
+++ b/d2common/timeutils.go
@@ -1,4 +1,4 @@
-package d2helper
+package d2common
 
 import "time"
 
diff --git a/d2core/d2asset/animation.go b/d2core/d2asset/animation.go
index f5a7826b..6a6ddd02 100644
--- a/d2core/d2asset/animation.go
+++ b/d2core/d2asset/animation.go
@@ -5,10 +5,10 @@ import (
 	"image/color"
 	"math"
 
+	"github.com/OpenDiablo2/OpenDiablo2/d2common"
 	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2data/d2datadict"
 	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2fileformats/d2dc6"
 	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2fileformats/d2dcc"
-	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2helper"
 
 	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2render"
 )
@@ -60,10 +60,10 @@ func createAnimationFromDCC(dcc *d2dcc.DCC, palette *d2datadict.PaletteRec, tran
 			minX, minY := math.MaxInt32, math.MaxInt32
 			maxX, maxY := math.MinInt32, math.MinInt32
 			for _, dccFrame := range dccDirection.Frames {
-				minX = d2helper.MinInt(minX, dccFrame.Box.Left)
-				minY = d2helper.MinInt(minY, dccFrame.Box.Top)
-				maxX = d2helper.MaxInt(maxX, dccFrame.Box.Right())
-				maxY = d2helper.MaxInt(maxY, dccFrame.Box.Bottom())
+				minX = d2common.MinInt(minX, dccFrame.Box.Left)
+				minY = d2common.MinInt(minY, dccFrame.Box.Top)
+				maxX = d2common.MaxInt(maxX, dccFrame.Box.Right())
+				maxY = d2common.MaxInt(maxY, dccFrame.Box.Bottom())
 			}
 
 			frameWidth := maxX - minX
@@ -222,8 +222,8 @@ func (a *Animation) GetFrameBounds() (int, int) {
 
 	direction := a.directions[a.directionIndex]
 	for _, frame := range direction.frames {
-		maxWidth = d2helper.MaxInt(maxWidth, frame.width)
-		maxHeight = d2helper.MaxInt(maxHeight, frame.height)
+		maxWidth = d2common.MaxInt(maxWidth, frame.width)
+		maxHeight = d2common.MaxInt(maxHeight, frame.height)
 	}
 
 	return maxWidth, maxHeight
diff --git a/d2core/d2asset/archive_manager.go b/d2core/d2asset/archive_manager.go
index a3864543..c358806e 100644
--- a/d2core/d2asset/archive_manager.go
+++ b/d2core/d2asset/archive_manager.go
@@ -6,8 +6,8 @@ import (
 	"sync"
 
 	"github.com/OpenDiablo2/OpenDiablo2/d2common"
-	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2config"
 	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2fileformats/d2mpq"
+	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2config"
 )
 
 type archiveEntry struct {
diff --git a/d2core/d2asset/d2asset.go b/d2core/d2asset/d2asset.go
index 50f59656..b314df3f 100644
--- a/d2core/d2asset/d2asset.go
+++ b/d2core/d2asset/d2asset.go
@@ -3,10 +3,10 @@ package d2asset
 import (
 	"log"
 
-	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2config"
 	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2data/d2datadict"
 	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2fileformats/d2mpq"
 
+	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2config"
 	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2term"
 )
 
diff --git a/d2core/d2asset/file_manager.go b/d2core/d2asset/file_manager.go
index a2e65b55..850ea24d 100644
--- a/d2core/d2asset/file_manager.go
+++ b/d2core/d2asset/file_manager.go
@@ -4,8 +4,9 @@ import (
 	"strings"
 
 	"github.com/OpenDiablo2/OpenDiablo2/d2common"
-	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2config"
 	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2resource"
+
+	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2config"
 )
 
 const (
diff --git a/d2common/d2config/config.go b/d2core/d2config/config.go
similarity index 100%
rename from d2common/d2config/config.go
rename to d2core/d2config/config.go
diff --git a/d2common/d2config/d2config.go b/d2core/d2config/d2config.go
similarity index 100%
rename from d2common/d2config/d2config.go
rename to d2core/d2config/d2config.go
diff --git a/d2core/d2map/animated_entity.go b/d2core/d2map/animated_entity.go
index ef4bd116..49207cd2 100644
--- a/d2core/d2map/animated_entity.go
+++ b/d2core/d2map/animated_entity.go
@@ -4,9 +4,9 @@ import (
 	"math"
 	"math/rand"
 
+	"github.com/OpenDiablo2/OpenDiablo2/d2common"
 	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2data/d2datadict"
 	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2enum"
-	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2helper"
 	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2asset"
 	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2render"
 )
@@ -87,7 +87,7 @@ func (v *AnimatedEntity) getStepLength(tickTime float64) (float64, float64) {
 	speed := 6.0
 	length := tickTime * speed
 
-	angle := 359 - d2helper.GetAngleBetween(
+	angle := 359 - d2common.GetAngleBetween(
 		v.LocationX,
 		v.LocationY,
 		v.TargetX,
@@ -102,10 +102,10 @@ func (v *AnimatedEntity) getStepLength(tickTime float64) (float64, float64) {
 func (v *AnimatedEntity) Step(tickTime float64) {
 	stepX, stepY := v.getStepLength(tickTime)
 
-	if d2helper.AlmostEqual(v.LocationX, v.TargetX, stepX) {
+	if d2common.AlmostEqual(v.LocationX, v.TargetX, stepX) {
 		v.LocationX = v.TargetX
 	}
-	if d2helper.AlmostEqual(v.LocationY, v.TargetY, stepY) {
+	if d2common.AlmostEqual(v.LocationY, v.TargetY, stepY) {
 		v.LocationY = v.TargetY
 	}
 	if v.LocationX != v.TargetX {
@@ -145,7 +145,7 @@ func (v *AnimatedEntity) Step(tickTime float64) {
 
 // SetTarget sets target coordinates and changes animation based on proximity and direction
 func (v *AnimatedEntity) SetTarget(tx, ty float64, action int32) {
-	angle := 359 - d2helper.GetAngleBetween(
+	angle := 359 - d2common.GetAngleBetween(
 		v.LocationX,
 		v.LocationY,
 		tx,
diff --git a/d2core/d2map/region.go b/d2core/d2map/region.go
index 4b24409f..6c7d7cb1 100644
--- a/d2core/d2map/region.go
+++ b/d2core/d2map/region.go
@@ -7,17 +7,14 @@ import (
 	"math/rand"
 	"strconv"
 
-	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2asset"
-
 	"github.com/OpenDiablo2/OpenDiablo2/d2common"
-
-	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2helper"
-
 	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2data/d2datadict"
 	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2enum"
 	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2fileformats/d2ds1"
 	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2fileformats/d2dt1"
 	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2resource"
+
+	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2asset"
 	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2render"
 )
 
@@ -490,10 +487,10 @@ func (mr *MapRegion) generateFloorCache(tile *d2ds1.FloorShadowRecord, tileX, ti
 		}
 		tileYMinimum := int32(0)
 		for _, block := range tileData[i].Blocks {
-			tileYMinimum = d2helper.MinInt32(tileYMinimum, int32(block.Y))
+			tileYMinimum = d2common.MinInt32(tileYMinimum, int32(block.Y))
 		}
-		tileYOffset := d2helper.AbsInt32(tileYMinimum)
-		tileHeight := d2helper.AbsInt32(tileData[i].Height)
+		tileYOffset := d2common.AbsInt32(tileYMinimum)
+		tileHeight := d2common.AbsInt32(tileData[i].Height)
 		_, image := d2render.NewSurface(int(tileData[i].Width), int(tileHeight), d2render.FilterNearest)
 		pixels := make([]byte, 4*tileData[i].Width*tileHeight)
 		mr.decodeTileGfxData(tileData[i].Blocks, &pixels, tileYOffset, tileData[i].Width)
@@ -517,8 +514,8 @@ func (mr *MapRegion) generateShadowCache(tile *d2ds1.FloorShadowRecord, tileX, t
 	tileMinY := int32(0)
 	tileMaxY := int32(0)
 	for _, block := range tileData.Blocks {
-		tileMinY = d2helper.MinInt32(tileMinY, int32(block.Y))
-		tileMaxY = d2helper.MaxInt32(tileMaxY, int32(block.Y+32))
+		tileMinY = d2common.MinInt32(tileMinY, int32(block.Y))
+		tileMaxY = d2common.MaxInt32(tileMaxY, int32(block.Y+32))
 	}
 	tileYOffset := -tileMinY
 	tileHeight := int(tileMaxY - tileMinY)
@@ -566,11 +563,11 @@ func (mr *MapRegion) generateWallCache(tile *d2ds1.WallRecord, tileX, tileY int)
 	}
 
 	for _, block := range target.Blocks {
-		tileMinY = d2helper.MinInt32(tileMinY, int32(block.Y))
-		tileMaxY = d2helper.MaxInt32(tileMaxY, int32(block.Y+32))
+		tileMinY = d2common.MinInt32(tileMinY, int32(block.Y))
+		tileMaxY = d2common.MaxInt32(tileMaxY, int32(block.Y+32))
 	}
 
-	realHeight := d2helper.MaxInt32(d2helper.AbsInt32(tileData.Height), tileMaxY-tileMinY)
+	realHeight := d2common.MaxInt32(d2common.AbsInt32(tileData.Height), tileMaxY-tileMinY)
 	tileYOffset := -tileMinY
 	//tileHeight := int(tileMaxY - tileMinY)
 
diff --git a/d2core/d2render/ebiten/ebiten_renderer.go b/d2core/d2render/ebiten/ebiten_renderer.go
index 5ffca872..a5ba25ac 100644
--- a/d2core/d2render/ebiten/ebiten_renderer.go
+++ b/d2core/d2render/ebiten/ebiten_renderer.go
@@ -4,12 +4,11 @@ import (
 	"image"
 	"log"
 
-	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2render"
-
-	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2config"
-
 	"github.com/hajimehoshi/ebiten"
 	"github.com/hajimehoshi/ebiten/ebitenutil"
+
+	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2config"
+	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2render"
 )
 
 type EbitenRenderer struct {
diff --git a/d2core/d2term/terminal.go b/d2core/d2term/terminal.go
index 5a6bbba6..f86647ce 100644
--- a/d2core/d2term/terminal.go
+++ b/d2core/d2term/terminal.go
@@ -13,7 +13,7 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2helper"
+	"github.com/OpenDiablo2/OpenDiablo2/d2common"
 	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2input"
 	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2render"
 )
@@ -130,7 +130,7 @@ func (t *terminal) advance(elapsed float64) error {
 }
 
 func (t *terminal) OnKeyDown(event d2input.KeyEvent) bool {
-	maxOutputIndex := d2helper.MaxInt(0, len(t.outputHistory)-t.lineCount)
+	maxOutputIndex := d2common.MaxInt(0, len(t.outputHistory)-t.lineCount)
 
 	if t.visState == termVisHiding || t.visState == termVisHidden {
 		if event.Key == d2input.KeyGraveAccent {
@@ -180,7 +180,7 @@ func (t *terminal) OnKeyDown(event d2input.KeyEvent) bool {
 
 	if event.Key == d2input.KeyUp {
 		if event.KeyMod == d2input.KeyModControl {
-			t.lineCount = d2helper.MaxInt(0, t.lineCount-1)
+			t.lineCount = d2common.MaxInt(0, t.lineCount-1)
 		} else if len(t.commandHistory) > 0 {
 			t.command = t.commandHistory[t.commandIndex]
 			if t.commandIndex == 0 {
@@ -194,7 +194,7 @@ func (t *terminal) OnKeyDown(event d2input.KeyEvent) bool {
 	}
 
 	if event.Key == d2input.KeyDown && event.KeyMod == d2input.KeyModControl {
-		t.lineCount = d2helper.MinInt(t.lineCount+1, termRowCountMax)
+		t.lineCount = d2common.MinInt(t.lineCount+1, termRowCountMax)
 		return true
 	}
 
diff --git a/d2core/d2ui/font.go b/d2core/d2ui/font.go
index bc7520f1..49236c9a 100644
--- a/d2core/d2ui/font.go
+++ b/d2core/d2ui/font.go
@@ -1,17 +1,14 @@
 package d2ui
 
 import (
+	"encoding/binary"
 	"image/color"
 	"strings"
+	"unicode"
 
+	"github.com/OpenDiablo2/OpenDiablo2/d2common"
 	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2asset"
 	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2render"
-
-	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2helper"
-
-	"encoding/binary"
-
-	"unicode"
 )
 
 var fontCache = map[string]*Font{}
@@ -91,7 +88,7 @@ func (v *Font) GetTextMetrics(text string) (width, height int) {
 	_, maxCharHeight := v.fontSprite.GetFrameBounds()
 	for _, ch := range text {
 		if ch == '\n' {
-			width = d2helper.MaxInt(width, curWidth)
+			width = d2common.MaxInt(width, curWidth)
 			curWidth = 0
 			height += maxCharHeight + 6
 			continue
@@ -99,7 +96,7 @@ func (v *Font) GetTextMetrics(text string) (width, height int) {
 
 		curWidth += v.getCharWidth(ch)
 	}
-	width = d2helper.MaxInt(width, curWidth)
+	width = d2common.MaxInt(width, curWidth)
 	height += maxCharHeight
 	return
 }
@@ -111,7 +108,7 @@ func (v *Font) Render(x, y int, text string, color color.Color, target d2render.
 
 	maxCharHeight := uint32(0)
 	for _, m := range v.metrics {
-		maxCharHeight = d2helper.Max(maxCharHeight, uint32(m.Height))
+		maxCharHeight = d2common.Max(maxCharHeight, uint32(m.Height))
 	}
 
 	targetWidth, _ := target.GetSize()
diff --git a/d2core/d2ui/sprite.go b/d2core/d2ui/sprite.go
index e6b68761..8d7ce721 100644
--- a/d2core/d2ui/sprite.go
+++ b/d2core/d2ui/sprite.go
@@ -4,10 +4,9 @@ import (
 	"errors"
 	"image/color"
 
+	"github.com/OpenDiablo2/OpenDiablo2/d2common"
 	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2asset"
 	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2render"
-
-	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2helper"
 )
 
 type Sprite struct {
@@ -53,7 +52,7 @@ func (s *Sprite) RenderSegmented(target d2render.Surface, segmentsX, segmentsY,
 			}
 
 			frameWidth, frameHeight := s.GetCurrentFrameSize()
-			maxFrameHeight = d2helper.MaxInt(maxFrameHeight, frameHeight)
+			maxFrameHeight = d2common.MaxInt(maxFrameHeight, frameHeight)
 			currentX += frameWidth
 		}
 
diff --git a/d2game/d2game.go b/d2game/d2game.go
index 6efc06ae..4ca7b034 100644
--- a/d2game/d2game.go
+++ b/d2game/d2game.go
@@ -5,15 +5,13 @@ import (
 	"runtime"
 	"strconv"
 
-	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2ui"
+	"github.com/OpenDiablo2/OpenDiablo2/d2common"
 
-	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2scene"
-
-	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2helper"
 	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2input"
-	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2term"
-
 	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2render"
+	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2scene"
+	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2term"
+	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2ui"
 )
 
 var loadingSprite *d2ui.Sprite // The sprite shown when loading stuff
@@ -30,7 +28,7 @@ func Initialize(loadingSpr *d2ui.Sprite) error {
 	bsHandler = &bsForInputHanding{}
 	loadingSprite = loadingSpr
 	timeScale = 1.0
-	lastTime = d2helper.Now()
+	lastTime = d2common.Now()
 	d2input.BindHandler(bsHandler)
 
 	return nil
@@ -83,7 +81,7 @@ func Advance() {
 		return
 	}
 
-	currentTime := d2helper.Now()
+	currentTime := d2common.Now()
 	deltaTime := (currentTime - lastTime) * timeScale
 	lastTime = currentTime
 
@@ -96,8 +94,8 @@ func Advance() {
 // Draw draws the game
 func render(target d2render.Surface) {
 	if d2scene.GetLoadingProgress() < 1.0 {
-		loadingSprite.SetCurrentFrame(int(d2helper.Max(0,
-			d2helper.Min(uint32(loadingSprite.GetFrameCount()-1),
+		loadingSprite.SetCurrentFrame(int(d2common.Max(0,
+			d2common.Min(uint32(loadingSprite.GetFrameCount()-1),
 				uint32(float64(loadingSprite.GetFrameCount()-1)*d2scene.GetLoadingProgress())))))
 		loadingSprite.Render(target)
 	} else {
diff --git a/d2game/d2gamescene/character_select.go b/d2game/d2gamescene/character_select.go
index 93c1a799..f7bb27c4 100644
--- a/d2game/d2gamescene/character_select.go
+++ b/d2game/d2gamescene/character_select.go
@@ -6,21 +6,20 @@ import (
 	"os"
 	"strings"
 
+	"github.com/hajimehoshi/ebiten"
+
+	"github.com/OpenDiablo2/OpenDiablo2/d2common"
+	dh "github.com/OpenDiablo2/OpenDiablo2/d2common"
+	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2resource"
+
 	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2asset"
+	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2audio"
 	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2gamestate"
 	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2inventory"
 	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2map"
 	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2render"
 	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2scene"
-
-	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2audio"
-
-	"github.com/OpenDiablo2/OpenDiablo2/d2common"
-
-	dh "github.com/OpenDiablo2/OpenDiablo2/d2common/d2helper"
-	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2resource"
 	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2ui"
-	"github.com/hajimehoshi/ebiten"
 )
 
 type CharacterSelect struct {
@@ -63,19 +62,19 @@ func (v *CharacterSelect) Load() []func() {
 			v.background.SetPosition(0, 0)
 		},
 		func() {
-			v.newCharButton = d2ui.CreateButton(d2ui.ButtonTypeTall, dh.CombineStrings(dh.SplitIntoLinesWithMaxWidth(d2common.TranslateString("#831"), 15)))
+			v.newCharButton = d2ui.CreateButton(d2ui.ButtonTypeTall, d2common.CombineStrings(dh.SplitIntoLinesWithMaxWidth(d2common.TranslateString("#831"), 15)))
 			v.newCharButton.SetPosition(33, 468)
 			v.newCharButton.OnActivated(func() { v.onNewCharButtonClicked() })
 			d2ui.AddWidget(&v.newCharButton)
 		},
 		func() {
-			v.convertCharButton = d2ui.CreateButton(d2ui.ButtonTypeTall, dh.CombineStrings(dh.SplitIntoLinesWithMaxWidth(d2common.TranslateString("#825"), 15)))
+			v.convertCharButton = d2ui.CreateButton(d2ui.ButtonTypeTall, d2common.CombineStrings(dh.SplitIntoLinesWithMaxWidth(d2common.TranslateString("#825"), 15)))
 			v.convertCharButton.SetPosition(233, 468)
 			v.convertCharButton.SetEnabled(false)
 			d2ui.AddWidget(&v.convertCharButton)
 		},
 		func() {
-			v.deleteCharButton = d2ui.CreateButton(d2ui.ButtonTypeTall, dh.CombineStrings(dh.SplitIntoLinesWithMaxWidth(d2common.TranslateString("#832"), 15)))
+			v.deleteCharButton = d2ui.CreateButton(d2ui.ButtonTypeTall, d2common.CombineStrings(dh.SplitIntoLinesWithMaxWidth(d2common.TranslateString("#832"), 15)))
 			v.deleteCharButton.OnActivated(func() { v.onDeleteCharButtonClicked() })
 			v.deleteCharButton.SetPosition(433, 468)
 			d2ui.AddWidget(&v.deleteCharButton)
diff --git a/d2game/d2gamescene/credits.go b/d2game/d2gamescene/credits.go
index b4232e0f..f8b0636f 100644
--- a/d2game/d2gamescene/credits.go
+++ b/d2game/d2gamescene/credits.go
@@ -17,7 +17,7 @@ import (
 
 	"github.com/OpenDiablo2/OpenDiablo2/d2common"
 
-	dh "github.com/OpenDiablo2/OpenDiablo2/d2common/d2helper"
+	dh "github.com/OpenDiablo2/OpenDiablo2/d2common"
 	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2ui"
 )
 
diff --git a/d2game/d2gamescene/select_hero_class.go b/d2game/d2gamescene/select_hero_class.go
index 1cc27708..5a0c7671 100644
--- a/d2game/d2gamescene/select_hero_class.go
+++ b/d2game/d2gamescene/select_hero_class.go
@@ -17,7 +17,7 @@ import (
 
 	"github.com/OpenDiablo2/OpenDiablo2/d2common"
 
-	dh "github.com/OpenDiablo2/OpenDiablo2/d2common/d2helper"
+	dh "github.com/OpenDiablo2/OpenDiablo2/d2common"
 	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2audio"
 	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2ui"
 )
diff --git a/main.go b/main.go
index 7f2d63a0..6a3bbba3 100644
--- a/main.go
+++ b/main.go
@@ -6,7 +6,6 @@ import (
 	"gopkg.in/alecthomas/kingpin.v2"
 
 	"github.com/OpenDiablo2/OpenDiablo2/d2common"
-	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2config"
 	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2data"
 	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2data/d2datadict"
 	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2enum"
@@ -17,6 +16,7 @@ import (
 	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2asset"
 	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2audio"
 	ebiten2 "github.com/OpenDiablo2/OpenDiablo2/d2core/d2audio/ebiten"
+	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2config"
 	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2input"
 	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2render"
 	"github.com/OpenDiablo2/OpenDiablo2/d2core/d2render/ebiten"