TODO
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* other useful things
	- hall of fame with records saved
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* average term
	- time limit
	- editor
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* long term
	- new map file format with
		- full 256 colors graphics with user modifiable palette
		- 256 colors, real 32x32 sprites
		- user definible map sprites, map size
		- user definible number of maps and transporters
		- and so on
	- X Window version