My idea for the theme Adaption was based on the chameleon. This creature changes it's skin colour for camouflage, so that predators become less hostile.
This is what happens in my game: By eating flower seeds, the katydid changes colour and the other katydids become more/less hostile.
Control with cursor keys.
Left/Right = Steer
Forward/Backward = Move
A+Z = Change Elevation.