diff --git a/Makefile b/Makefile
index 7284d88..9634798 100644
--- a/Makefile
+++ b/Makefile
@@ -9,8 +9,9 @@ MAN_DIR?=/usr/share/man/man6
 CFLAGS+=  -Wno-unused-result -D SCORES_DIR=\"$(SCORES_DIR)\"
 LDFLAGS+= -lncurses -lm
 
+COLORMODE:=FGCOLOR
 
-ALL= jewels sudoku mines reversi checkers battleship rabbithole sos pipes fifteen memoblocks fisher muncher miketron redsquare darrt snakeduel
+ALL= jewels sudoku mines reversi checkers battleship rabbithole sos pipes fifteen memoblocks fisher muncher miketron redsquare darrt snakeduel logik
 SCORE_FILES= pipes_scores jewels_scores miketron_scores muncher_scores fisher_scores darrt_scores
 
 all: $(ALL)
@@ -53,9 +54,11 @@ redsquare: redsquare.c config.h
 	$(CC) redsquare.c $(LDFLAGS) $(CFLAGS) -o ./redsquare
 darrt: darrt.c config.h common.h
 	$(CC) darrt.c $(LDFLAGS) $(CFLAGS)  -o ./darrt
-
 snakeduel: snakeduel.c config.h
 	$(CC) snakeduel.c $(LDFLAGS) $(CFLAGS)  -o ./snakeduel
+logik: logik.c 
+	$(CC) $@.c -o $@ -D$(COLORMODE)
+
 clean:
 	rm $(ALL)
 uninstall:
diff --git a/README.md b/README.md
index 0789f94..f8b6328 100644
--- a/README.md
+++ b/README.md
@@ -29,6 +29,7 @@ The games include:
 * Redsquare (Conway's Game of Life made playable!)
 * Darrt (with original gameplay!)
 * Snakeduel
+* Logik (or also known as Mastermind)
 
 
 The difficulty and/or dimensions are adjustable through simple command line options, you can play a minesweeper game that take hours to complete, or exprience hexadecimal sudoku and 8x8 fifteen-like puzzles!
diff --git a/logik.c b/logik.c
new file mode 100644
index 0000000..2607528
--- /dev/null
+++ b/logik.c
@@ -0,0 +1,148 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <time.h>
+
+
+#define NBHOLES  5
+#define NBLINES    10
+#define NBCOLORS 8
+#define NBMINUS  5
+unsigned char pion[] = "rgypmRGY";
+
+int
+convert(unsigned char a) {
+
+	for(int i=0; i<NBCOLORS; i++)
+		if( a == pion[i] ) 
+			return i;
+	return -1;
+}
+
+int
+colorize(int a) {
+	return a % NBMINUS + 31;
+}
+
+int
+bold(int a) {
+	return a <= 'Z'; 
+}
+
+
+int 
+pastel(unsigned char a) {
+	if( convert(a) < 0 )
+		return -1;
+
+#ifdef BGCOLOR
+	/* if you want bg color define the macro BGCOLOR: */
+	printf("\033[0;%dm%c\033[0m",  bold(a)*10 + colorize(convert(a)), a);
+#else
+	printf("\033[%d;%dm%c\033[0m",  bold(a), colorize(convert(a)), a);
+#endif
+	return 1;
+}
+
+int
+main(void) {
+	
+	printf("\033[22;34m====================\n\r       LOGIK        \n\r====================\033[0m\n");
+
+	printf("\rcolors\t");
+	for( int i=0; i<NBCOLORS; i++)
+		pastel( pion[i] );
+	printf("\n\rx is backspace\n\rQQ to exit");
+
+
+	int sol[NBHOLES], mix[NBCOLORS];
+	srand( getpid() * ( 1 + getppid() ) + time(NULL) );
+	for(int i=0; i<NBMINUS; i++) 
+		sol[i] = rand() % NBCOLORS;	
+	printf("\r");
+
+	for(int i=0; i<NBCOLORS; i++)
+		mix[i]=0;
+
+	for(int i=0; i<NBHOLES; i++)
+		mix[sol[i]]++;
+
+	/* ----- */
+	char c;
+	char inc[NBHOLES], stop=0;
+	int black, white;
+	int tmp[NBCOLORS];
+	system("/bin/stty raw");
+	for(int l=1; l <= NBLINES; l++) { 
+		printf("\n\r%d\t",l); /*due to stty raw*/
+		for( int i=0;  i < NBHOLES ; ) {
+			c = getchar();
+			if( pastel(c) > 0 ) {
+				inc[i] = convert(c);
+				i++;
+				stop = 0;
+			}
+			if( i > 0 & c == 'x' ) { /*aimed to backspace*/
+				i--; 
+				printf("\b");
+				stop = 0;
+			}
+			if( c == 'Q' ) {
+				stop++;
+				if( stop == 2) 
+					break;
+			}
+		}
+		printf("\t");
+
+		if( stop == 2 ) 
+			break;
+
+		black=0; white=0;
+		/* black section : x : is in the right place */
+		for(int i=0; i<NBHOLES; i++)
+			if( inc[i] == sol[i] ) 
+				black++;
+
+		/* white section : o : the color is right but placed */
+		for(int i=0; i<NBCOLORS; i++)
+			tmp[i]=0;
+
+		for(int i=0; i<NBHOLES; i++) 
+			tmp[(int) inc[i]] += 1;
+
+		white = 0;
+		for(int i=0; i<NBCOLORS; i++)
+			if(  (mix[i] > 0)  & (tmp[i] > 0) ) {
+				if( tmp[i] <= mix[i] )
+					white += tmp[i];
+				else if ( mix[i] < tmp[i] )
+					white += mix[i]; 
+			}
+
+		/* fmt */
+		for(int i=0; i < NBHOLES - white ; i++)
+			printf("-");
+
+		for(int i=0; i < black; i++)
+			printf("x");
+
+		for(int i=0; i < white - black; i++)
+			printf("o");
+
+		if( black == 5 ) {
+			system("/bin/stty cooked");
+			printf("\n\tYOU WIN\n");
+			return 0;
+		}
+		for(int i=0; i<NBHOLES; inc[i++]=-1)
+			;
+	}
+	system("/bin/stty cooked");
+	printf("\n\rYOU LOOSE\n\r");
+
+	for(int i=0; i<NBHOLES; i++)
+		pastel(pion[sol[i]]);
+	printf("\n");
+	return 0;
+}
diff --git a/man/logik.6 b/man/logik.6
new file mode 100644
index 0000000..da44bf2
--- /dev/null
+++ b/man/logik.6
@@ -0,0 +1,29 @@
+.TH "LOGIK" "" "May 2021" "" ""
+.SH "NAME"
+\fBlogik\fR
+.SH "CONTROLS"
+rgypmRGY : put a specific color
+.P
+QQ : quit
+.P
+x : backspace
+.SH "GAMEPLAY"
+The computer generate random pattern of 5 colors
+that you must guess\. You have 8 colors, and 10 lines
+to guess with each 5 holes\. After you entered your 5
+colors the computer will print you a hint, to help you:
+.P
+\'-\' : one of the colors doesn't match with the correct answere\.
+.P
+\'x\' : one of the colors is on the right place\.
+.P
+\'o\' : one of the colors match but is missplaced\.
+.SH "HISTORY"
+This is game is known as 
+.B
+Logik
+in the eastern block (USSR), 
+and 
+.B 
+Mastermind 
+in the west block (USA)\.