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Underrun

  • Desktop
  • Keyboard
  • Mouse
  • Single Player
  • Short Session
Game controls

Use the keyboard and mouse controls shown below.

How to play

How to play Underrun

Controls

  • Click to initiate deployment, then move with WASD or the arrow keys.
  • Aim with the mouse and hold the mouse button to shoot.

Goal

Restart every offline CPU in each of three levels by approaching it. Bringing all CPUs online advances you to the next level.

About

About Underrun

A top-down action game set in a failing facility, with hostile creatures, sentries, health pickups, and terminal messages.

Play better

Quick tips

First move

Click after the deployment message, then move away from the starting area while aiming down the first open corridor.

Practical tip

Keep moving while firing, and save health pickups until you are hurt: each restores one of your five health units and is consumed even at full health.

Game info

Game details

Genre
action
Session
short
Play on
desktop
Controls
keyboard, mouse

QuestHub review

Checked before listing

Source, license, build, and device checks are recorded for this game.

Last checked2026-09-06
  • Source
  • License
  • Build
  • Desktop
  • Mobile
Verification & source detailsPlay-test notes, browser checks, source and license

Play-test note

Restarted all nine terminals on the first level through normal movement and firing in Chrome, entered level 2, and verified a fresh deployment after reloading.

QuestHub checks

  • Source recorded
  • License reviewed
  • Build verified
  • Network reviewed
  • Desktop tested
  • Mobile tested
Last checked
2026-09-06
Browser
Google Chrome
Play on
desktop
Controls
keyboard, mouse

These checks describe the recorded build on the date above. Browser, device, or upstream changes can affect later behavior.

Source & license

Original creator
See upstream source
Pinned revision
f933e29152d7fc1ca61d4b3eaa8b29551d7d7a62
Code license
MIT
Attribution required
Yes
Attribution
See upstream source
Asset review
verified
QuestHub changes
Not listed in the current catalog

These technical details come from the pinned source snapshot used for this QuestHub build.

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