Hypersomnia (video game)

Not to be confused with hypersomnia, which is a sleep-related disorder.
Hypersomnia
Developer(s)Patryk Czachurski
Platform(s)Windows, macOS, Linux and any modern web browser (hypersomnia.io)
Release28 December 2023 (Steam edition)
Genre(s)
Mode(s)

Hypersomnia is a Polish two-dimensional online shooter game created by Patryk Czachurski.[1] The game is inspired by the Hotline Miami and Counter-Strike games.[2] The game development team consists as of 2025 of 4 people, each person being responsible for programming, graphical effects, level designing and website management.[2][3][4]

The game's source code is published on GNU AGPL 3.0 licence.[5] It is available for Windows, macOS and Linux, and can be played in a web browser.[6] The first tournaments related to this game were played at 39th edition of PolyLAN,[7] and also on Poznańska Impreza Wolnego Oprogramowania (Poznań's Free Software Party) in 2025.[8]

Development

The game's development took ten years,[2][9] and it was released on Steam on 28 December 2023.[10] The first commits were registered on GitHub as early as 2013, with game becoming playable around 2017.[4]

A rectangle packing library, called rectpack2D and created specifically for Hypersomnia,[11] was used in the game Assassin's Creed Valhalla[12] and by American drone manufacturer Skydio.[13] The ACM Transactions on Graphics journal has also published a paper referring to rectpack2D in 2019.[14]

A 2018 patent, belonging to Unity[15] referred to the assemblage buckets problem which was conceptualised by Czachurski a few years earlier on one of Stack-Exchange-owned forums.[16][17] Although Hypersomnia's lead developer claimed that no game engine was used in the development process,[9][18] he confirmed to the Kontrabanda technology news website that "a few" external programming libraries were used.[18]

Reception

Both Liam Dawe of GamingOnLinux website and editorial team of lubiegrac.pl website praised the game in terms of its technical aspects.[1][19] Additionally, it received a praise from official GitHub blog team, with them saying about Hypersomnia "giving a lot of fun" and the game "being technically innovative".[20] Linux Magazine in its 275th issue has highlighted Hypersomnia in FOSSPicks category.[21]

Year Event name Nominated for Result
2023 Game Development World Championship[22] Best Community Design Won
Best Multiplayer Game Nominated
Accolade for Immersive Audio Nominated
Best Action Game Nominated

References

  1. ^ a b "Hypersomnia is a free and open source top-down competitive 2D shooter". GamingOnLinux. 2024-06-13. Retrieved 2025-08-15.
  2. ^ a b c "Hypersomnia - open-source multiplayer shooter - #16 PSSG". lubiegrac.pl (in Polish). Retrieved 2025-08-15.
  3. ^ Cthulhu (2024-01-15). "Hypersomnia - wywiad". Klub Miłośników Fantastyki Sagitta (in Polish). Retrieved 2025-08-15.
  4. ^ a b TeamHypersomnia. "PressKit/README.md at main · TeamHypersomnia/PressKit". GitHub. Retrieved 2025-08-15.
  5. ^ TeamHypersomnia/Hypersomnia, Team Hypersomnia, 2025-08-14, retrieved 2025-08-15
  6. ^ B, Todd (2024-07-24). "Hypersomnia a tough shooter you can shape". Linux Game Consortium - News, Reviews, and Steam Deck Gaming. Retrieved 2025-08-15.
  7. ^ "Hypersomnia - Hypersomnia at PolyLAN 39 in Switzerland! - Steam News". store.steampowered.com. 2024-05-10. Retrieved 2025-08-15.
  8. ^ "LAN Party z FOSSgralnią! – Poznańska Impreza Wolnego Oprogramowania (P.I.W.O.)". piwo.sh (in Polish). 2025-04-29. Retrieved 2025-08-15.
  9. ^ a b Król, Michał (2023-12-11). "Przegląd tygodnia (4-10 grudnia)". PolskiGamedev.pl (in Polish). Retrieved 2025-08-15.
  10. ^ "Hypersomnia on Steam". store.steampowered.com. Retrieved 2025-08-15.
  11. ^ TeamHypersomnia/rectpack2D, Team Hypersomnia, 2025-08-10, retrieved 2025-08-15
  12. ^ Ruba (2020-11-13). Assassin's Creed: Valhalla - Credits. Retrieved 2025-08-15 – via YouTube.
  13. ^ "Skydio Open Source Software Notice". pages.skydio.com. Retrieved 2025-08-15.
  14. ^ Liu, Hao-Yu; Fu, Xiao-Ming; Ye, Chunyang; Chai, Shuangming; Liu, Ligang (2019-08-31). "Atlas refinement with bounded packing efficiency". ACM Transactions on Graphics. 38 (4): 1–13. doi:10.1145/3306346.3323001. ISSN 0730-0301.
  15. ^ "US00000010599560B220200324" (PDF).
  16. ^ "Grouping entities of the same component set into linear memory". Game Development Stack Exchange. Retrieved 2025-08-15.
  17. ^ TeamHypersomnia. "Question regarding "assemblage buckets" idea back in 2013 · Issue #264 · TeamHypersomnia/Hypersomnia". GitHub. Retrieved 2025-08-15.
  18. ^ a b Jaszczyszyn, Oliwier (2025-06-24). "Wywiad z Patrykiem Czachurskim, twórcą gry „Hypersomnia" » Kontrabanda". kontrabanda.net (in Polish). Retrieved 2025-08-15.
  19. ^ "Hypersomnia - open-source multiplayer shooter - #16 PSSG". lubiegrac.pl (in Polish). Retrieved 2025-08-15.
  20. ^ Reilly, Lee (2024-01-18). "Game Bytes · January 2024". The GitHub Blog. Retrieved 2025-08-15.
  21. ^ Linux Magazine's 275th issue. p. 89. ISSN 1471-5678.
  22. ^ "GDWC 2023 – The Game Development World Championship". thegdwc.com. Retrieved 2025-08-15.
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