Space Slots — Galaxies, Aliens & Cosmic Adventures
Space slots — galaxies, alien worlds, cosmic mysteries and intergalactic adventures.
30 games
Why space slots are where studios break visual rules
Space slots are the genre where studios get to break visual rules. Earth physics doesn't apply — reels can float in zero-G, symbols can warp into wormholes, bonus rounds can switch you to an alien planet with a different math model than the base game. The category overlaps with fantasy (any time you mix magic and high technology) and pulls visual cues from sci-fi cinema: neon glow, holographic UI, retro-futurism, deep-space starfields.
The category covers four broad sub-themes: cosmic mystery (deep space, nebulae, atmospheric and slower-paced), alien invasion (UFOs, planet defence, fast action), retro sci-fi (1950s pulp aesthetic, robots, rockets, ray guns), and real-space (planets named after solar-system bodies, often paired with progressive-jackpot mechanics). The signature math mechanic is the expanding reel grid in free spins, where the base 5×3 grid expands to 5×5 or 5×7 during the bonus, multiplying both ways-to-win and variance.
Strategy for space slots
Check the math variant carefully before opening. Space slots have the widest math variance of any category — two visually similar titles can have completely different RTP and volatility profiles. Always check the info screen.
Bonus-buy is the practical entry point. Most modern space slots ship a buy option that compresses time-to-bonus. The expanded-grid bonus is where most of the RTP lives.
Space slots in our catalogue
A few of the highest-ceiling space-themed titles currently on PlayMind:
- Across the Universe Keno (Mascot Gaming) — 95.15% RTP, high volatility.
- Alien Digger (OnlyPlay) — 95.50% RTP, 10,487× max-win, bonus-buy, jackpot, high volatility.
- Rocket Chimp Jackpot! (Mascot Gaming) — 95.19% RTP, jackpot, medium volatility.
- 10000 x Rush (Platipus) — 96.10% RTP, 10,000× max-win, jackpot, medium volatility.
- Space Blaze (Mascot Gaming) — 95.00% RTP, high volatility.
- 5000 x Rush (Platipus) — 96.40% RTP, 5,000× max-win, jackpot.
- Space Horror (OnlyPlay) — 95.00% RTP, 4,103× max-win, bonus-buy, jackpot, medium volatility.
- 2500 x Rush (Platipus) — 96.35% RTP, 2,500× max-win, jackpot, medium volatility.
Browse the full space catalogue below. Pair with Megaways for space slots on expanding-grid engines, or fantasy for sci-fi/magic crossovers.
Studios publishing in space themes
In our catalogue, the studios publishing most heavily into space themes are Mascot Gaming, OnlyPlay, and Platipus.
Popular Space games
- 10000 x Rush — Platipus
- 1000 x Rush — Platipus
- 2500 x Rush — Platipus
- 5000 x Rush — Platipus
- Across the Universe — Mascot Gaming
- Across the Universe Keno — Mascot Gaming
- Alien Digger — OnlyPlay
- Alien Fruits 2 — BGaming
- Alien Invaders — Pragmatic Play
- Aliens & Mushrooms — Nemesis
- Astro — Wicked Games
- Astro Jewels — Mancala Gaming
- Bingo Planets — Platipus
- Cosmic Cash — Pragmatic Play
- Cosmic Clusters! — Pragmatic Play
- Cows & UFOs — Endorphina
- Galactic Cash — Habanero
- Galactic Gems — PG Soft
- Galaxy Miner — PG Soft
- Gravity — Pascal Gaming
- Hyper Xplorer — Mancala Gaming
- Little Green Money — Habanero
- OOF The Goldmine Planet — BGaming
- Power Stars — Novomatic
- Rocket Chimp Jackpot! — Mascot Gaming
- Solar Eclipse — Endorphina
- Space Blaze — Mascot Gaming
- Space Cows to the Moo'n
- Space Fortune — Habanero
- Space Gems Rockblocks — Mascot Gaming
Frequently asked questions
What are Space slots?
Space slots — galaxies, alien worlds, cosmic mysteries and intergalactic adventures.
Which are the best Space slots at PlayMind?
Our most-played Space title is 10000 x Rush. The full 30-game list — sorted by popularity, RTP, or release date — sits at the top of this page.
Can I play Space slots for free?
Yes — every Space slot on PlayMind has a demo mode you can launch without an account. Real-money play requires a quick email signup and a deposit (or sweepstakes coin claim).
What's the highest RTP among Space slots?
RTPs in this category typically run 95.0–97.0%. Sort the list by "RTP ↓" to surface the highest-paying Space titles. For the cleanest math overall, see our /mechanics/high-rtp page (96.5%+ RTP filter).
Are Space slots fair?
Every Space slot ships with an RNG certificate from its studio's testing lab (iTech Labs, GLI, or BMM). PlayMind doesn't touch the math model — your spin runs on the studio's certified server, with our wallet only handling the bet/win handshake.
How fast are Space slot withdrawals at PlayMind?
Winnings from any slot at PlayMind withdraw in under 60 seconds via USDT, BTC, or other supported crypto rails — no manual review queue, no card-form friction.