Enlarge your browser window or rotate your device to play PENUMBRA.
✦
HOLD → thrust
◎
DRAG ← → strafe
TAP → fire laser
⌨
BEST ON LAPTOP OR DESKTOP WITH MOUSE
Laptop without a mouse not recommended — spotlight control requires cursor

PENUMBRA

"You can't see what's out there. But it can see you."

◈ THIS GAME HAS DYNAMIC DIFFICULTY ADJUSTMENT
↓ Keep losing — the game gets easier. Gravity drops, obstacles thin out, fuel lasts longer.
↑ Keep winning — the game gets harder. More obstacles, heavier gravity, tighter fuel.
◈ This decision is made between every level, automatically, based on how you just played.
WHAT DDA TRACKS
Flight time
Fuel remaining
Hull integrity
Win / fail streak
How you died
→
WHAT DDA CHANGES
Gravity strength
Fuel burn rate
Obstacle density
Starting fuel
Multiple at once

Watch the sidebar — ◈AI tags show every parameter DDA has adjusted. A full analysis appears after every mission.

◈ On mobile: tap left to thrust · tap right to fire · drag right to strafe
For fog-of-war, spotlight & full DDA display — try on desktop with mouse