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zombie holdout

A free shooter game — play it in your browser, no install. Zombie Holdout: a co-op zombie wave-survival shooter. I just made this so I could play with my brother who is studying in Ontario and we could brainstorm our own game mechanics. Also migrated this game onto unreal engine as well with the exact same concept and using it to test capabilities of AI

by @JonathE0 · JonathE0/zombie-holdout on GitHubLANG JavaScriptHOSTED ON ZOMBIE-HOLDOUT.NETLIFY.APPUPDATED 26 Sep 2026

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From the README

A co-op browser survival shooter for 1–4 players: build, harvest and defend the Core against endless, ever-harder zombie waves (see below). It plays like a Source-engine CS2/Valorant shooter under the hood — movement, per-weapon spray patterns, hitbox damage, wallbangs — repurposed for horde defense instead of round-based duels. Runs in the browser; a tiny Node server hosts the page and the multiplayer rooms.

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