Steam

OSES

Also known as OSES, o, oses

OSES is a strategic post-apocalyptic shooter in which 3 characters fight by using different guns to survive the zombie hordes in various scenarios and game modes.

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Last update

16 Jun 2026

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Latest update

AnnouncementPublished 02 May 2018

OSES - Twin-stick Update!

A big update for OSES was just released! Here's what's new Controls revamp: New control modes allow for better and easier gameplay. Shoot in all directions using the Twin-stick mode! Move and aim smoothly with the Behin…

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Latest updates

Update history

Browse past updates and patch notes for this game.

15updates

February 2018
February 28th Fix-Fixed known errors in campaign texts -Set the default control to Mouse Rot + camera behind, since this is the most used by players -Updated the tutorial to reflect the control changes and teach the player about the dro…Announcement1 changeFix28 Feb 2018
February 28th Fix-Fixed known errors in campaign texts -Set the default control to Mouse Rot + camera behind, since this is the most used by players -Updated the tutorial to reflect the control changes and teach the player about the dro…Announcement1 changeFix28 Feb 2018
December 2017
End of the year Update!Hello Survivors! The game just had a quick small update! Here's the changes! Added 4 new Campaign maps! Added new commands with focus on narrative building. Bug fixes That's it for this year! Thank you for all players a…Announcement3 changesMapsGameplay28 Dec 2017
End of the year Update!Hello Survivors! The game just had a quick small update! Here's the changes! Added 4 new Campaign maps! Added new commands with focus on narrative building. Bug fixes That's it for this year! Thank you for all players a…Announcement3 changesMapsGameplay28 Dec 2017
December Update!!Hey there! The winter sale is here and with it, one of OSES's biggest updates so far! Here's what has changed: Lots of textures remade from scratch! They're beautiful, clearer and better in every way! New drone mechanic…Announcement6 changesGameplayMaps21 Dec 2017
December Update!!Hey there! The winter sale is here and with it, one of OSES's biggest updates so far! Here's what has changed: Lots of textures remade from scratch! They're beautiful, clearer and better in every way! New drone mechanic…Announcement6 changesGameplayMaps21 Dec 2017
October 2017
The halloween update has come to OSES, and it brings a lot of new stuff! Check out what's changed below: New game mode: BOSS BATTLE. Defeat the boss while managing your ammunition and collecting new weapons around the m…11 changesGameplayMapsStore26 Oct 2017
The halloween update has come to OSES, and it brings a lot of new stuff! Check out what's changed below: New game mode: BOSS BATTLE. Defeat the boss while managing your ammunition and collecting new weapons around the m…11 changesGameplayMapsStore26 Oct 2017
Update! 10/07OSES was just updated! Here's what's new: Cloud saves: save games are shared between computers New UI for characters and generator lifebars. Have fun playing these updates, remember to let me know if you find any bugs i…Announcement3 changesGameplayUI/audio07 Oct 2017
Update! 10/07OSES was just updated! Here's what's new: Cloud saves: save games are shared between computers New UI for characters and generator lifebars. Have fun playing these updates, remember to let me know if you find any bugs i…Announcement3 changesGameplayUI/audio07 Oct 2017
September 2017
Update! 09/17OSES was just updated! Here's what's new: More detailed leaderboards with friends-only option. Map editing tutorial. New achievement: Creator Hope everyone enjoys these updates, remember to let me know if you find any b…Announcement3 changesGameplayMaps18 Sept 2017

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