SOK Pro Upgrade - Free Remake of the SOK game. A massive upgrade of the game to professional functionality. Online statistics, undo of a move, dark theme, windowed mode and much more!

Features:
✔️ Undo of a move in case of error;
✔️ Personal statistics & Steam Leaderboards;
✔️ Switch between full screen and windowed mode;
✔️ Convenient and quick selection of the required level;
✔️ Ability to change the language and other settings;
✔️ Screenshots are working correctly;
✔️ New background music (can be turned off);
✔️ Selectable background color:
▪ Dark theme;
▪ Classic, light theme;
▪ Gold, Lime and Diamond backgrounds.