Collect as many Infotrons as you can. Prove you are Hardcore Player and get 3 stars on every level!
H – help dialog (during game)
Arrows – move character
Space – action key (eating adjacent field, planting disks)
1, 2, 3, 4 – set speed to: slow, normal (default), fast
P – pause
R – restart
T – show/hide top bar
L – load game from last checkpoint
If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).