MOVEWASD, arrow keys, or drag on touch. Your weapons aim and fire on their own — positioning is the whole game.
SURVIVE THE WAVEOutlast the timer. Enemies keep coming and get nastier every wave. Waves 10 and 20 bring bosses.
MATERIALSGreen gems dropped by enemies. Walk over them to collect — they are both currency and XP. Leftovers are swept up when the wave ends.
SHOPBetween waves buy up to 6 weapons and unlimited items. Hold three copies of the same weapon at the same tier and they auto-merge into the next tier.
LEVELSEvery level pick one of four stat upgrades. Armor cuts damage, Dodge avoids it entirely, Harvesting pays out at wave end.
DANGERRaise the danger level for tougher enemies and better rewards. Clear a run to unlock the next tier.