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Way over in the big void of space live some aliens. They coveted your planet and would do anything to live there. So what's your planet to do? Yeah, blast through them all! Face off against waves of enemies, bosses, giant laser planets, blackholes, wormholes, massive lasers, planets and asteroids across 12 game modes!
Game modes: Single player, Multiplayer, Co-operative
Right now the lowest price for Really Big Sky we're tracking is $0.54 at Gamivo — 56% below Steam's $1.24. We compare 4 stores and prices refresh every few minutes.
The lowest price we've recorded for Really Big Sky is $0.51 at Kinguin on January 23, 2026. The current best price is about 6% above that low.
75% of 1,894 Steam user reviews for Really Big Sky are positive ("Mostly Positive").
Really Big Sky released on February 24, 2012, developed by Boss Baddie and published by Boss Baddie, Ripstone.
Really Big Sky is available on PC (Microsoft Windows). It supports single player, multiplayer, co-operative.
Really Big Sky last hit a new low of $0.51 on January 23, 2026 at Kinguin. Current best price is $0.54. Prices on this page refresh every few minutes, so check back around seasonal sales for new lows.
The cheapest Really Big Sky price right now is $0.54 at Gamivo, 56% below the Steam price.
| Store | Discount | Price | Buy link |
|---|---|---|---|
 GamivoBest price | — | $0.54 | Buy Really Big Sky at Gamivo |
 Steam | -75% | $1.24 | Buy Really Big Sky at Steam |
 Green Man Gaming | — | $4.99 | Buy Really Big Sky at Green Man Gaming |
 GamersGate | — | $5.99 | Buy Really Big Sky at GamersGate |
All-time low: $0.51 at Kinguin on Jan 23, 2026 — the current best price is 6% above it.
Prices in USD, refreshed every few minutes. Switch currency on this page for EUR/GBP/BRL and more.
