Invasion Protocol
Store ladder ranked by live price — never by commission.
Cite as https://cheapgamesfinder.com/game/invasion-protocol
Prices for US · USD
SteamPC
$9.99
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Comparing 1 live official store prices — ranked by price, not payout.
- 1SteamPCLowest$9.99Best live priceView on Steam
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You’re not the hero, you’re the invasion. Drop in as skull-helmeted soldiers and obliterate a bug-infested planet. Choose your class, aim & fire non-stop, complete brutal objectives, and swap weapons & abilities on the fly. Unlock new classes and gear as you go. Execute the protocol.
Price History
1 store in this range · 2026-08-04 → 2026-09-02 · 12 price checks · all-time low $5.99 · now $9.99 (+$4.00 vs ATL)
| Store | Low | High | First seen | Checks |
|---|---|---|---|---|
| Steam | $5.99 | $9.99 | 2026-08-04 | 12 |
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