diff --git a/.vscode/launch.json b/.vscode/launch.json
index 4617c19..0736de3 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -4,6 +4,31 @@
 	// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
 	"version": "0.2.0",
 	"configurations": [
+		{
+			"name": "(gdb) game_text",
+			"type": "cppdbg",
+			"request": "launch",
+			"program": "${workspaceFolder}/build/game_text",
+			"args": [],
+			"stopAtEntry": false,
+			"cwd": "${fileDirname}",
+			"environment": [],
+			"externalConsole": false,
+			"MIMode": "gdb",
+			"setupCommands": [
+				{
+					"description": "Enable pretty-printing for gdb",
+					"text": "-enable-pretty-printing",
+					"ignoreFailures": true
+				},
+				{
+					"description": "Set Disassembly Flavor to Intel",
+					"text": "-gdb-set disassembly-flavor intel",
+					"ignoreFailures": true
+				}
+			],
+			"preLaunchTask": "make_build"
+		},
 		{
 			"name": "(gdb) debug tests thoguet",
 			"type": "cppdbg",
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 617489c..31732b6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -25,9 +25,11 @@ target_link_libraries(game_test_thperrier game history)
 target_link_libraries(game_test_nnunes game history)
 target_link_libraries(history_test game history)
 
-add_library (game game.c game_aux.c)
+#Libraries
+add_library (game game.c game_aux.c game_ext.c)
 add_library(history history.c)
 
+#Tests THOGUET
 add_test(test_thoguet_dummy ./game_test_thoguet dummy)
 add_test(test_thoguet_game_new ./game_test_thoguet game_new)
 add_test(test_thoguet_game_print ./game_test_thoguet game_print)
@@ -40,6 +42,7 @@ add_test(test_thoguet_game_update_flags ./game_test_thoguet game_update_flags)
 add_test(test_thoguet_game_play_move ./game_test_thoguet game_play_move)
 add_test(test_thoguet_game_check_move ./game_test_thoguet game_check_move)
 
+#Tests THPERRIER
 add_test(test_thperrier_dummy ./game_test_thperrier dummy)
 add_test(test_thperrier_game_copy ./game_test_thperrier game_copy)
 add_test(test_thperrier_game_new_empty ./game_test_thperrier game_new_empty)
@@ -50,6 +53,7 @@ add_test(test_thperrier_game_is_lightbulb ./game_test_thperrier game_is_lightbul
 add_test(test_thperrier_game_is_black ./game_test_thperrier game_is_black)
 add_test(test_thperrier_game_get_black_number ./game_test_thperrier game_get_black_number)
 
+#Tests NNUNES
 add_test(test_nnunes_dummy ./game_test_nnunes dummy)
 add_test(test_nnunes_game_set_square ./game_test_nnunes game_set_square)
 add_test(test_nnunes_game_get_state ./game_test_nnunes game_get_state)
@@ -58,6 +62,7 @@ add_test(test_nnunes_game_is_marked ./game_test_nnunes game_is_marked)
 add_test(test_nnunes_game_is_lighted ./game_test_nnunes game_is_lighted)
 add_test(test_nnunes_game_has_error ./game_test_nnunes game_has_error)
 
+#Tests HISTORY
 add_test(test_history_history_alloc ./history_test history_alloc)
 add_test(test_history_create_empty ./history_test history_create_empty)
 add_test(test_history_delete_entire_history ./history_test history_delete_entire_history)
diff --git a/game.c b/game.c
index 33ae41c..9dcf934 100644
--- a/game.c
+++ b/game.c
@@ -1,6 +1,7 @@
 #include "game.h"
 #include <stdio.h>
 #include <stdlib.h>
+#include "game_ext.h"
 
 int max(int a, int b) {
 	if (a > b)
@@ -203,19 +204,21 @@ void game_update_flags(game g) {
 				addF_LIGHTED(g, i, j);
 				// add FLIGHTED on the 4 directions, when a wall is hit stop this direction, when another lightbulb is hit put the initial lighbulb on error
 				int tab[] = {-1, 0, 1, 0, 0, -1, 0, 1};
-				for (int x = 1; x < max(g->width, g->height); x++) {
-					for (uint y = 0; y < 7; y = y + 2) {
-						if (tab[y] != tab[y + 1] && j + x * tab[y + 1] >= 0 && j + x * tab[y + 1] < g->width && i + x * tab[y] >= 0 &&
-						    i + x * tab[y] < g->height) {
-							if (game_is_black(g, i + x * tab[y], j + x * tab[y + 1])) {
+				for (int x = 1; x <= max(g->width, g->height); x++) {
+					for (uint y = 0; y < 7 /*tab size*/; y = y + 2) {
+						if (/* test if both tab are not 0*/ tab[y] != tab[y + 1] &&
+						    (/* normal check */ (j + x * tab[y + 1] >= 0 && j + x * tab[y + 1] < g->width && i + x * tab[y] >= 0 &&
+						                         i + x * tab[y] < g->height) ||
+						     /* wrapping check*/ g->wrapping)) {
+							if (game_is_black(g, ((i + g->height + x * tab[y]) % g->height), ((j + g->width + x * tab[y + 1]) % g->width))) {
 								tab[y] = 0;
 								tab[y + 1] = 0;
 							} else {
 								// if we found another lightbulb on the line
-								if (game_get_state(g, i + x * tab[y], j + x * tab[y + 1]) == S_LIGHTBULB)
+								if (game_get_state(g, ((i + g->height + x * tab[y]) % g->height), ((j + g->width + x * tab[y + 1]) % g->width)) == S_LIGHTBULB)
 									// update initial lightbulb on F_ERROR
 									game_set_square(g, i, j, (S_LIGHTBULB | F_LIGHTED | F_ERROR));
-								addF_LIGHTED(g, i + x * tab[y], j + x * tab[y + 1]);
+								addF_LIGHTED(g, ((i + g->height + x * tab[y]) % g->height), ((j + g->width + x * tab[y + 1]) % g->width));
 							}
 						}
 					}
@@ -231,10 +234,12 @@ void game_update_flags(game g) {
 				int notempty = 0;
 				int tab[] = {-1, 0, 1, 0, 0, -1, 0, 1};
 				for (uint y = 0; y < 7; y = y + 2) {
-					if (j + tab[y + 1] >= 0 && j + tab[y + 1] < g->width && i + tab[y] >= 0 && i + tab[y] < g->height) {
-						if (game_is_lightbulb(g, i + tab[y], j + tab[y + 1]))
+					if (/* normal check*/ (j + tab[y + 1] >= 0 && j + tab[y + 1] < g->width && i + tab[y] >= 0 && i + tab[y] < g->height) ||
+					    /*wrapping check*/ g->wrapping) {
+						if (game_is_lightbulb(g, (i + g->height + tab[y]) % g->height, (j + g->width + tab[y + 1]) % g->width))
 							lb++;
-						else if (!game_is_blank(g, i + tab[y], j + tab[y + 1]) || game_is_lighted(g, i + tab[y], j + tab[y + 1]))
+						else if (!game_is_blank(g, (i + g->height + tab[y]) % g->height, (j + g->width + tab[y + 1]) % g->width) ||
+						         game_is_lighted(g, (i + g->height + tab[y]) % g->height, (j + g->width + tab[y + 1]) % g->width))
 							notempty++;
 					} else {
 						notempty++;
diff --git a/game_ext.c b/game_ext.c
index 9dca5b1..737bfc7 100644
--- a/game_ext.c
+++ b/game_ext.c
@@ -44,25 +44,24 @@ game game_new_empty_ext(uint nb_rows, uint nb_cols, bool wrapping) {
 }
 
 uint game_nb_rows(cgame g) {
-	return;
+	return 0;
 }
 
 uint game_nb_cols(cgame g) {
-	return;
+	return 0;
 }
 
 bool game_is_wrapping(cgame g) {
-	return;
+	return false;
 }
 
 void game_undo(game g) {
-	if (history_prev(g->hist) == NULL){
+	if (history_prev(g->hist) == NULL) {
 		printf("waiting for your first move");
-	}
-	else{
-	game_set_square(g, history_i(history_prev(g->hist)), history_j(history_prev(g->hist)), history_state(history_prev(g->hist)));
-	game_update_flags(g);
-	g->hist = history_prev(g->hist);
+	} else {
+		game_set_square(g, history_i(history_prev(g->hist)), history_j(history_prev(g->hist)), history_state(history_prev(g->hist)));
+		game_update_flags(g);
+		g->hist = history_prev(g->hist);
 	}
 	return;
 }