Steam

Survivors Under Siege

Also known as Survivors Under Siege, steam:3305010, survivors under siege

Survivors Under Siege blends action RTS and tower defense into a minimalist tactical experience. Position your units wisely and strike at the perfect moment to stand against waves of zombies and mutants.

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Last update

31 May 2026

Latest update

Patch notesPublished 23 May 2026

v1.1Demo Update 1.1

Changelog: Added custom shotgun sound effects Added custom shotgun muzzle flash animation Fixed a bug that caused the kamikaze ability to kill multiple survivors Fixed game completion percentage not updating correctly M…

5 changesFixUI/audioRead patch notes

Update history

Browse past updates and patch notes for this game.

5 updates

April 2026
New Support Action: Electrify The Electrify Support Action is available from the start and lets you temporarily buff a fence for 30 seconds. Electrified fences are more resistant and deal damage when hit. Balance Purifi…6 changesFixBalancePatch notes23 Apr 2026
March 2026
Play the demo now! [dynamiclink href="https://store.steampowered.com/app/4509080/Survivors_Under_Siege_Demo/"]Share your feedback in the Steam discussions, it will help shape the full game!1 changeStore13 Mar 2026
October 2025
You can buy Support Actions using coins. Support Actions affect all survivors or the environment in general. Examples of Support Actions include: Power-shoot an enemy anywhere on the map Increase each survivor's stat Re…3 changesMapsStore31 Oct 2025
The Purifier Enemies are drawn to purifiers and will try to destroy them. Each level contains a different number of purifiers placed in various locations. At least one purifier must survive for you to succeed. Purifiers…Patch notes15 Oct 2025

Gallery

v1.1Demo Update 1.1

April 2026

March 2026

October 2025