diff --git a/.gitignore b/.gitignore
index ec7dd87..b6d56a4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,6 +11,7 @@ build/
 # personnal documentation
 doc/*.txt
 doc/*.violet.html
+doc/mockups/*
 
 # pieces files
 data/pieces/*.bin
diff --git a/README.md b/README.md
index 3762672..243c716 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,11 @@
 # jminos
 
+Modern stacker game with every polyominos from size 1 to 15, made in C++ with [SFML 3](https://www.sfml-dev.org/)!
+
 ## Manual build and run
 
-You need to install xmake and have a compiler with c++20 compatibility
+This project uses xmake for compiling.  
+To be able to build it, you need to [install xmake](https://xmake.io) and have a compiler with c++20 compatibility, xmake will install SFML for you.
 
 ### Build the project
 
@@ -15,8 +18,8 @@ If you need to change the toolchain (for example using gcc):
 
 ### Run the project
 
-Graphical version:  
-``xmake run graph``
+``xmake run``  
+Note that the program will genereate the polyomino files for you. This can be quite long so it only does it up to size 10.
 
-Command line version:  
+If for some reasons you wanna run the command line version:  
 ``xmake run text``
diff --git a/src/GraphicalUI/Settings.h b/src/GraphicalUI/Settings.h
index 4531aa9..2027d39 100644
--- a/src/GraphicalUI/Settings.h
+++ b/src/GraphicalUI/Settings.h
@@ -10,7 +10,12 @@
 static const int MAXIMUM_BOARD_WIDTH = 40;
 static const int MAXIMUM_BOARD_HEIGHT = 40;
 
+//#define __JMINOS_RELEASE__
+#ifdef __JMINOS_RELEASE__
+static const int MAXIMUM_PIECES_SIZE = 15;
+#else
 static const int MAXIMUM_PIECES_SIZE = 10;
+#endif
 
 
 class Settings {
diff --git a/src/GraphicalUI/main.cpp b/src/GraphicalUI/main.cpp
index 0f7b8e0..0a1945c 100644
--- a/src/GraphicalUI/main.cpp
+++ b/src/GraphicalUI/main.cpp
@@ -12,7 +12,8 @@ void resetKeybindFile(int layout);
 int main() {
     std::srand(std::time(NULL));
 
-    // keep only for dev
+#ifndef __JMINOS_RELEASE__
+
     PiecesFiles pf;
     for (int i = 1; i <= MAXIMUM_PIECES_SIZE; i++) {
         if (!std::filesystem::exists("data/pieces/" + std::to_string(i) + "minos.bin")) {
@@ -29,8 +30,10 @@ int main() {
         }
     }
 
-    // before compiling release version
-    resetConfigFiles();
+    // uncomment before compiling release version
+    //resetConfigFiles();
+
+#endif
 
     GraphApp UI;
     UI.run();
diff --git a/xmake.lua b/xmake.lua
index d534d59..ac7511a 100644
--- a/xmake.lua
+++ b/xmake.lua
@@ -6,6 +6,8 @@ set_languages("c++20")
 
 set_rundir(".")
 
+set_optimize("fastest")
+
 target("core")
     set_kind("$(kind)")
     add_files("src/Pieces/*.cpp")