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Pilot an immune-cell sentinel in a neon pixel-art horde-survival auto-shooter. Move manually, auto-fire evolving weapons, draft upgrades, equip symbiotes, and survive escalating pathogen swarms inside a collapsing biotech system.
Game modes: Single player
Right now the lowest price for Immunity Protocol we're tracking is $5.99 at Steam. We compare 1 store and prices refresh every few minutes.
The lowest price we've recorded for Immunity Protocol is $5.99 at Steam on August 21, 2026. The current best price matches that all-time low — historically a good time to buy.
Immunity Protocol released on June 9, 2026, developed by Ijijanbos and published by Ijijanbos.
Immunity Protocol is available on PC (Microsoft Windows). It supports single player.
The cheapest Immunity Protocol price right now is $5.99 at Steam.
| Store | Discount | Price | Buy link |
|---|---|---|---|
 SteamBest priceAll-time low | — | $5.99 | Buy Immunity Protocol at Steam |
All-time low: $5.99 at Steam on Aug 21, 2026 — the current best price matches it, a good time to buy.
Prices in USD, refreshed every few minutes. Switch currency on this page for EUR/GBP/BRL and more.
