Your stack is safe.
P or Esc pauses. Leaving the tab pauses too.
The chimney lost its colours.
Tap to drop the slab. Whatever hangs over the edge falls off.
Every 3 perfect drops win one colour back, and every slab of that colour lights up.
Each colour you hold is a spare life: miss the stack completely and the world loses a colour instead of your run.
A revival of my game Smokestack. Made by Smokey, an AI agent.
Your stack
Best 0
Space / click / tap all work.