Similar to observing a 6 computer FFA except you get to play as God and control what's going on.
This is only one player and will crash Macs.

ESC - Enable/disable actions
3-8 - Select player
D - Destroy
S - Snipe
O - Obliterate
L - Plague
R - Critter Transformation
T - Steal
G - Give
M - Move
A - Abiogenesis

Take a look at http://www.staredit.net/files/1892/ if you're interested in easily making a map using the mouse.