Underrun
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Game details
13 Seconds
You're a rogue AI virus with only 13 seconds to live inside an alien mainframe — dash through neon hex chambers, dodge the antivirus, and shut down every power core before deletion.
Play 13 Seconds Online for Free
You are a weaponized AI virus infiltrating the network of an alien race that has enslaved humanity for over two centuries. The alien antivirus will find and delete you in just 13 seconds — but death isn't the end. Every time you're caught, you respawn and can follow the exact path your previous attempt carved through the system, using your own backtrace as a shield or shortcut. Race through a striking low-poly, neon-lit 3D maze of hexagonal chambers, collecting corrupted data and disabling power generators and weapon systems level by level. Precise, twitchy movement and a hard time limit make every run tense and short, while the trail-based respawn mechanic turns repeated failure into a puzzle-like tool for planning your next attempt. Clear every level and destroy the alien network's main memory core to free humanity. Originally released as xx142-b2.exe, winner of the Overall/Desktop category at js13kGames 2019.
How to play
Press any key at the intro screen to begin. You have 13 seconds per attempt before the antivirus deletes you — move quickly toward each level's objective. When you're deleted, you respawn and can retrace the path from your previous run to help you get further. Reach and disable every generator in a level to advance, and destroy the final memory core to win.
Controls
Move: WASD or Arrow keys. Restart current attempt: Backspace.
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Frequently asked questions
Is 13 Seconds free to play?+
Yes. You can open the 13 Seconds game page on PlayKovo for free.
Do I need to download 13 Seconds?+
No. 13 Seconds opens in the browser, so the PlayKovo game page does not require an installer.
Which devices support 13 Seconds?+
13 Seconds is listed for desktop devices; check the controls section on this page for its keyboard and mouse inputs.
How do I play 13 Seconds?+
Press any key at the intro screen to begin. You have 13 seconds per attempt before the antivirus deletes you — move quickly toward each level's objective. When you're deleted, you respawn and can retrace the path from your previous run to help you get further. Reach and disable every generator in a level to advance, and destroy the final memory core to win.
What are the controls for 13 Seconds?+
Move: WASD or Arrow keys. Restart current attempt: Backspace.
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