Last 7 days · history since Nov 1, 2026
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100% positive of 1 · 1 user reviews · Live from Steam
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Engage in epic battles against microscopic foes in 'STEM Defense', a strategic tower defense adventure set on a hex-grid. Harness the immune system's power, BUILD your defenses and fend off waves of pathogens, unlock potent cells and upgrades, and evolve your defenses for a grand survival showdown!
Live data from Steam, tracked by SteamPlayerBase.
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 (1 reviews)
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Not tested by Valve yet. Results from Valve's own testing.
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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.
Thanks for keeping STEM Defense on your wishlist. Update 0.9 is live today. It is a repair update, not new content. It took two months because a long play session in September ended in a crash, so we went through the whole game and fixed what we found before a…
Bug Fix
Biology has no borders. Now neither does the game. This update brings STEM Defense to 30 new languages — from Brazilian Portuguese to Thai, from Ukrainian to Traditional Chinese. What got translated Every menu, button and tooltip All towers and upgrades, names…
In this update, we have finally completed the microbiology section. Now you can get detailed information about the enemies, understanding their role in the real world and their adaptation in the game. This will allow you to study them better to face them more …