Cheatcodes:

Hold down [ALT] while entering one of the following:

Einstein -- All research. 
Moola -- 1,000 BC. 
Menlo -- Another research cheat. 
Iseeall -- Shows all planets and players. 
Allai -- Something about the computers AI. 
Score -- Enlightens you about the current score. 
Ldr -- Unknown. 
Snd -- Unknown.