UNDERRUN
Reboot a haunted facility in a tense WebGL twin-stick shooter.
4.8
About UNDERRUN
UNDERRUN is a self-hosted MIT-licensed JS13k WebGL shooter from Dominic Szablewski. Move through dim corridors, aim with the mouse, restore offline systems, and survive waves of spiders and sentries in a compact high-fidelity arcade run.
ActionStrategyWebGLShooterSelf-hosted
How to Play
Start smart, score cleaner
Goal
Restore the facility systems while surviving enemies in the dark corridors.
Steps
- 1Move with WASD or arrows, aim with the mouse, and click to fire or start.
- 2Explore rooms carefully, activate systems, and retreat when enemies start surrounding you.
- 3Progress comes from restoring more of the facility; careless fights can end the run fast.
Quick Tips
Backpedal through known corridors instead of fighting in doorways.
Sweep corners with your aim before stepping into a dark room.
You Might Also Like
See All
Play
4.8RacingQuick Play5-minute
Neon Rider
Thread glowing lanes and dodge soft-edged arcade hazards.

Play
4.8Adventure2 PlayerReflex
JoyQuest Duo
A bright couch-style challenge for quick turns.

Play
4.5RacingSpeedReflex
Aero Dash
Glide through cloud tracks in short, clean bursts.

Play
4.6ActionArcadeShooter
Radius Raid
Blast radial enemy waves in a compact neon shooter.