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You are the planet's last hope to stop the alien invasion and take down the mother ship!
Game modes: Single player
Right now the lowest price for Space Mercenary Defense Force we're tracking is $4.99 at Steam. We compare 1 store and prices refresh every few minutes.
The lowest price we've recorded for Space Mercenary Defense Force is $4.99 at Steam on August 4, 2026. The current best price matches that all-time low — historically a good time to buy.
84% of 19 Steam user reviews for Space Mercenary Defense Force are positive ("Very Positive").
Space Mercenary Defense Force released on November 14, 2023, developed by Tom Paradise and published by Eastasiasoft, Tom Paradise.
Space Mercenary Defense Force is available on Xbox Series X|S, PlayStation 4, PC (Microsoft Windows), PlayStation 5, Xbox One, Nintendo Switch. It supports single player.
The cheapest Space Mercenary Defense Force price right now is $4.99 at Steam.
| Store | Discount | Price | Buy link |
|---|---|---|---|
 SteamBest priceAll-time low | — | $4.99 | Buy Space Mercenary Defense Force at Steam |
All-time low: $4.99 at Steam on Aug 4, 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.
