diff --git a/.vscode/launch.json b/.vscode/launch.json
index ee60f70..56b9520 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -9,8 +9,9 @@
             "type": "gdb",
             "request": "launch",
             "target": "${workspaceFolder}/build/2D_Engine",
-            "cwd": "${workspaceRoot}",
-            "valuesFormatting": "parseText"
+            "cwd": "${workspaceFolder}",
+            "valuesFormatting": "parseText",
+            "preLaunchTask": "Build"
         }
     ]
 }
\ No newline at end of file
diff --git a/SDL2_Core b/SDL2_Core
index 9b6ac3c..2f10b3c 160000
--- a/SDL2_Core
+++ b/SDL2_Core
@@ -1 +1 @@
-Subproject commit 9b6ac3c1455aa0ac3036cef40db80974aa27410e
+Subproject commit 2f10b3c1bc8da91c8271495d7b1a45194d02e224
diff --git a/shell.nix b/shell.nix
index 2d62d1d..b90816f 100644
--- a/shell.nix
+++ b/shell.nix
@@ -16,5 +16,6 @@ stdenv.mkDerivation {
   shellHook = ''
     export LD_LIBRARY_PATH=${pkgs.libpng}/lib:${pkgs.SDL2}/lib:${pkgs.sdl3}/lib:${pkgs.ncurses}/lib:$LD_LIBRARY_PATH
     export PKG_CONFIG_PATH=${pkgs.libpng}/lib/pkgconfig:${pkgs.SDL2}/lib/pkgconfig:${pkgs.sdl3}/lib/pkgconfig:${pkgs.ncurses}/lib/pkgconfig:$PKG_CONFIG_PATH
+    unset TEMP TMP TEMPDIR TMPDIR
   '';
 }
diff --git a/src/Makefile b/src/Makefile
index 21189ae..76286c5 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -11,7 +11,7 @@ SOURCES := \
 # Compiler and flags
 SRC_CC = gcc
 #SRC_CFLAGS = --std=c17 --pedantic -O3 # RELEASE
-SRC_CFLAGS = --std=c17 --pedantic -O1 -g \
+SRC_CFLAGS = --std=c17 --pedantic -O0 -g \
 	-Wall -Wno-missing-braces -Wextra -Wno-missing-field-initializers \
     -Wformat=2 -Wswitch-default -Wswitch-enum -Wcast-align \
     -Wpointer-arith -Wbad-function-cast -Wstrict-overflow=5 \