Couch co-op: plug in controllers, everyone presses FIRE in the lobby to join.
Keyboard fits two: WASD · Space fire · E talk/build · F special · Q item | Arrows · Enter fire · / talk/build · RShift special · . item
Gamepad: stick/d-pad · A/RT fire · X talk/build · B/RB special · Y item · Start pauses
Hold E on a build site to construct — LYTH shards drop from fallen Entropy
New turrets ask for a type: stand close, hold E/X — LEFT/RIGHT cycles Gun · Prism · Tesla · Toxin, FIRE confirms
Selkie swims: water is open to her — slower afloat, harpoon cooldown +50% on water
Walk into stranded allies to pick them up — carry them to the exit to recruit them.
Online rooms now fit four couch players per machine — press FIRE to add a seat.