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Cardstronaut needs at least 2 GB GPU Memory, capable of OpenGL 3.2+ support and 2 GB RAM.
A unique spin on the deckbuilding genre, where you must play cards and use strategy and tactics to activate ceiling mounted flame throwers to defeat the aliens and find out the truth
Game modes: Single player
Right now the lowest price for Cardstronaut we're tracking is $2.99 at Steam. We compare 1 store and prices refresh every few minutes.
The lowest price we've recorded for Cardstronaut is $2.99 at Steam on August 15, 2026. The current best price matches that all-time low — historically a good time to buy.
The minimum system requirements for Cardstronaut are — OS: Windows 10; CPU: 2 GHz; GPU: 2 GB GPU Memory, capable of OpenGL 3.2+ support; RAM: 2 GB RAM. See the full minimum and recommended specs in the system requirements section on this page.
Cardstronaut released on August 2, 2026.
Cardstronaut is available on PC (Microsoft Windows). It supports single player.
The cheapest Cardstronaut price right now is $2.99 at Steam.
| Store | Discount | Price | Buy link |
|---|---|---|---|
 SteamBest priceAll-time low | — | $2.99 | Buy Cardstronaut at Steam |
All-time low: $2.99 at Steam on Aug 15, 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.
