Quick answer
Outerspace Invaders is a Pear Fiction Studios slot (2018) with 96.01% RTP and medium volatility. It uses 25 paylines with expanding wilds, free spins and pick bonus. RTP can vary by casino.
On this page9 sections
Key specs
- RTP
- 96.01%
- 0.03 points below the median (96.04%)
- Volatility
- Medium3 of 6 on our volatility scale
- Grid
- 5×3
- Pays
- 25 paylines
- Released
- 19 Jun 2018
Not published by the provider: max win, bet range, jackpot
Top-rated casinos (check the game is available)
We haven't confirmed which partner carries this game.
Ad disclosure: we currently earn nothing from the brands listed; if that changes, each offer will say so. How we make money
- Aurivo Casino100% up to $1,000 + 200 Free Spins30x bonusGet 200 spins + 100% at Aurivo Casino (opens in new tab)
18+. New customers. Min dep $20. 30x bonus wagering. Max bet $5. 30 days. 200 spins on Book of Dead at $0.20. Credited in daily batches of 20 over 10 days. Full T&Cs apply.
Key terms
Every significant term is in the line above.
Full T&Cs apply. Please gamble responsibly.
- Velmora150 No-Wager Free Spins Keep every winNo wageringClaim 150 no-wager spins at Velmora (opens in new tab)
18+. New customers. Min dep $20. No wagering. 7 days. 150 spins on Big Bass Bonanza at $0.10. Full T&Cs apply.
Key terms
Every significant term is in the line above.
Full T&Cs apply. Please gamble responsibly.
- Kronos Royale200% up to $2,000 + 10% weekly cashback40x bonusGet 200% bonus at Kronos Royale (opens in new tab)
18+. New customers. Min dep $50. 40x bonus wagering. Max bet $10. 60 days. Full T&Cs apply.
Key terms
- Cashback
- Cashback: 10% of net casino losses each week (Monday to Sunday), paid as cash with no wagering every Monday, up to $500 a week.
Full T&Cs apply. Please gamble responsibly.
Game availability varies by casino and country.
Themes:
How to play Outerspace Invaders (members only)
Wins are paid when matching symbols land on an active payline, usually left to right starting from the leftmost reel. Your total stake is spread across the lines, and each line win is the line bet multiplied by the symbol's paytable value.
Outerspace Invaders is played on a 5×3 grid with 25 paylines.
- Set your stake. Choose your total bet per spin. Wins are paid as multiples of this stake.
- Check the paytable. Open the game's info screen to see what each symbol pays and the exact rules for this version.
- Spin. Each spin's result is decided by a certified random number generator, independent of previous spins.
- Trigger the bonus. Land the required scatter symbols to start the free spins feature.
The full Outerspace Invaders guide: how winnings work, 3 features and 3 strategy tips
- Your stake plan: a $50 budget → about $0.25 a spin (medium volatility)
- What 96.01% RTP costs per $100 wagered: $3.99 on average
- 3 features explained: expanding wilds, free spins, pick bonus
- Stake plans for $20 to $250 budgets
- 4 slots with the same style and a higher RTP (up to 98.06%)
- Strategy tips and a session planner for Outerspace Invaders
Free · no card · 18+ only
Never sold · export or delete any time · What do members get?
How winnings work (members only)
What 96.01% RTP costs per $100 wagered
What 96.01% RTP means
Expected return = stake × 96.01%
Over $100 of total bets, the long-run average loss is $3.99
RTP is a long-run average across millions of spins. Any single session can finish far above or below it, especially on a medium volatility game.
Features explained (members only)
3 features explained: expanding wilds, free spins, pick bonus
Expanding wilds
When an expanding wild lands, it grows to cover its whole reel, turning one symbol into a full column of wilds.
Free spins
A bonus round of spins played at no cost to your balance, usually triggered by landing three or more scatter symbols. Wins during the round are added to your balance, and many games let you retrigger extra spins.
Pick bonus
A bonus game where you choose from hidden items to reveal cash prizes, multipliers or extra features.
Strategy tips (members only)
- Size your stake to the volatility. Medium volatility balances hit rate and win size. Expect dry spells between features, but not extreme swings. A simple rule: bring at least 200 spins' worth of budget, so a $50 budget suggests a stake of about $0.25.
2 more tips and a session planner
- Bonus wagering: at 96.01% RTP, clearing $1,000 of wagering costs about $39.90 on average. Check the bonus terms, as some casinos exclude specific games. Run your numbers in the wagering calculator.
- Set limits before you spin. Decide your loss limit and session time in advance and stop when you reach either. No pattern or betting system changes the outcome of a spin.
More on this in slot RTP and volatility explained and bankroll management.
Does it fit your budget? (members only)
Stake plans for $20 to $250 budgets
For medium volatility we suggest a budget of at least 200 spins. This is what that means for Outerspace Invaders.
| Budget | Stake a spin | Bet range | Average cost of 200 spins |
|---|---|---|---|
| $20 | $0.10 | Bet range not published | $0.80 |
| $50 | $0.25 | Bet range not published | $1.99 |
| $100 | $0.50 | Bet range not published | $3.99 |
| $250 | $1.25 | Bet range not published | $9.97 |
Averages only: a short session can end far above or below them. Set a loss limit before you play.
Same style, better RTP (members only)
4 slots with the same style and a higher RTP (up to 98.06%)
Slots with the same mechanic (paylines) and volatility (medium) as Outerspace Invaders, with a higher published RTP. Casinos can still run lower versions of any of them.
Cat’s Soup98.06% RTP · +2.05 pts
Blood Suckers98% RTP · +1.99 pts
5 Mariachis98% RTP · +1.99 pts
Bird of Thunder98% RTP · +1.99 ptsQuestions
Frequently asked questions
Who makes Outerspace Invaders?
Outerspace Invaders is developed by Pear Fiction Studios and was released in 2018.
What is the RTP of Outerspace Invaders?
The default RTP of Outerspace Invaders is 96.01%.
Is Outerspace Invaders high volatility?
Outerspace Invaders is rated medium volatility. Medium volatility balances hit rate and win size.
Can I play Outerspace Invaders for free?
Not on GambGenius at the moment: we don't list an official Pear Fiction Studios demo of Outerspace Invaders.
Does Outerspace Invaders have a bonus buy?
No bonus buy is listed for Outerspace Invaders in the sources we checked.
Where this data comes from
- pearfiction.com Provider
Specs are as published by the provider. Casinos can run lower-RTP versions, so always check the game rules before you play.
Game artwork © Pear Fiction Studios, shown to identify the game.
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