WASD: Move
Left Mouse: Puke
Space: Eat Puke
R: Restart level
Pause: P/Esc

Spewer is a puzzle platformer that uses liquid physics though regurgitation as its core mechanic. Taking the role of a mysterious test subject, code named Spewer, you must vomit your way through over 60 levels of stomach turning puzzles, learning new abilities, changing forms and piecing together your purpose in life.