+2010-07-19
+ * fixed some problems with half tile size and even tile sized playfields
+
2010-07-12
* added level selection screen (when clicking on main menu level number)
+ * added level tracing (played, solved) for use in level selection screen
+ (to display already played or solved levels in different font color)
2010-06-24
* added alternative game mode for playing with half size playfield tiles