Last 7 days · history since Nov 1, 2026
Screenshots, achievements, specs, every price change and sale we've seen on Steam, and trading cards.
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Steam prices for United States (change the country in the top bar), and Steam keys from authorized stores.
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100% positive of 2 · 2 user reviews · Live from Steam
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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.
Live data from Steam, tracked by SteamPlayerBase.
No authorized Steam key store lists this game right now.
What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 100% on 2026-11-01 → 100% today (2 reviews)
1 item on Steam, newest first.

Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
A big update for OSES was just released! Here's what's new https://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/30594970/3bc71ec9bfc702ff53e04769e62554813dc44c49.png Controls revamp: New control modes allow for better and easier gameplay. Shoot i…
-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 drone
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 and i wish everyone a happy new year!
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 and i wish everyone a happy new year!
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: call different airdrops to help on the …
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: call different airdrops to help on the …
-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 drone
Hi there! After a lot of polish and bug fixes, OSES is ready to launch! It has been a great experience to develop this title, and i can't wait to see people climbing the leaderboards and sharing their maps via the workshop. Hope to see you in game soon! :)
Hi there! After a lot of polish and bug fixes, OSES is ready to launch! It has been a great experience to develop this title, and i can't wait to see people climbing the leaderboards and sharing their maps via the workshop. Hope to see you in game soon! :)
Not tested by Valve yet. Results from Valve's own testing.
Valve hasn't published test details for this game.