Hypersomnia (video game)

Hypersomnia
DeveloperPatryk Czachurski
PlatformsWindows, macOS, Linux and any modern web browser (hypersomnia.io)
Release28 December 2023 (Steam edition)
Genre
Mode

Hypersomnia is a Polish two-dimensional online shooter game created by Patryk Czachurski. The game is inspired by the Hotline Miami and Counter-Strike games. The game development team consists as of 2025 of 4 people, each person being responsible for programming, graphical effects, level designing and website management.

The game's source code is published on GNU AGPL 3.0 licence. It is available for Windows, macOS and Linux, and can be played in a web browser. The first tournaments related to this game were played at 39th edition of PolyLAN, and also on Poznańska Impreza Wolnego Oprogramowania (Poznań's Free Software Party) in 2025.