Game Editor is an open source 2D game creator that allows you to develop games for a wide variety of operating systems and mobile devices. Naturally, due to the program's open source nature, you have the ability to view and alter its source code.
You can find out more at Game Editor's home page.
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 | Ash Wednesday 46 days before Easter Sunday (February or March) |
 | Chinese New Year January or February |
 | Groundhog Day February 2nd |
 | Mardi Gras / Shrove Tuesday / Carnaval / Carnival Tuesday before Ash Wednesday (February or March) |
 | President's Day (USA) Third Monday of February (February 22nd) |
 | Valentine's Day February 14th |
| More holidays | |