A downloadable game for Windows and Linux

Jörmungandr is a snake hell bent on consuming the world, do your best to outrun it.

Be prepared for a dizzying, addictive fast paced infinite runner.

Note: this game may not be friendly for those suffering from motion sickness.

This game was made for the GMTK Game Jam 2025. The theme was "Loop"


*Please Post your score/distance in the comments! :D *


Controls:

  • Move with either Left/Right Arrow Keys or A/D.
  • Jump with Space

Items:

  • Coins - Try to get as many as you can
  • Speed up - Increases your speed
  • Speed down - Decreases Jörmungandr's speed

Known issues:

  • Item placement could be better

Technical Details:

This game was written using C# using Silk.NET for OpenGL and OpenAL access.
Music is created using libOpenMPT.

Credits:

Code by AtomicBlom

Jormungandr and collectables by Rorax

Music by k_jose (listed on ModArchive.org as CC0 licensed)

Player Model by Zeggy Games (https://zegley.itch.io/2d-platformermetroidvania-asset-pack)
Various Textures by Kenney

Updated 15 days ago
Published 27 days ago
StatusIn development
PlatformsWindows, Linux
Rating
Rated 5.0 out of 5 stars
(1 total ratings)
AuthorAtomicBlom
GenreRacing, Platformer
Tags3D, Endless Runner, Game Maker's Toolkit Jam, snake
Average sessionA few seconds
LanguagesEnglish

Download

Download
atomicblomgmtk2025-windows-x64.zip 4.8 MB
Version 1.2.0.357 15 days ago
Download
atomicblomgmtk2025-windows-arm64.zip 4.6 MB
Version 1.2.0.357 15 days ago
Download
atomicblomgmtk2025-linux-x64.zip 4 MB
Version 1.2.0.357 15 days ago

Install instructions

Linux users should install libopenmpt on their appropriate platform. https://wiki.openmpt.org/Libopenmpt#Distribution_packages. Linux support is largely untested (it worked before I added sound but hasn't been tested since)

There are no pre-requisties for Windows users.

Download and extract the game for your specific platform.

Run GMTK2025.exe to play the game

Development log