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Read our Fail Alien slot review and discover how you can win rewards for saving Earth from invading aliens. Play for free or real money.
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Invaders from the Planet Moolah
RTP92.97%
Volatility—
Aliens
RTP96%
VolatilityMedium
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Star Trek
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Fail Alien Slot Comparison
 Fail Alien | Invaders from the Planet Moolah | Aliens | Star Trek - Against All Odds | |
|---|---|---|---|---|
User Score | (87) | (58384) | (2857) | (1867) |
Return to Player | 96.64% | 92.97% | 96% | 95% |
Volatility | — | — | Medium | Medium |
Min Bet | 0.4 | 0.25 | 0.15 | 60 |
Max Bet | 40 | 125 | 150 | 600 |
| — | — | — | — | |
Autoplay | No | No | No | No |
Bonus Buy | No | No | No | No |
Bonus Rounds | No | Yes | Yes | Yes |
Cascading Reels/Avalanche Feature | No | No | No | No |
Number of Paylines | 20 | 25 | 15 | 720 |
| Play Invaders from the Planet Moolah for Free | Play Aliens for Free | Play Star Trek - Against All Odds for Free |
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Put Yourself Out There
The question of whether there is anyone else out there is as old as time itself. Spin the Fail Alien slot machine and discover one of the best space-themed slots by Merkur. Win prizes by lining up alien species and expanding wild Martians. Use the Alien King scatters and planet bonus symbols to activate top slot features on mobile, tablet, or desktop.
Round Up the Martians
Start an alien invasion by betting 0.40 to 40 coins on the Fail Alien online slot. Win prizes by hitting three or more matching symbols on one or more of the 20 paylines. Create winning combinations with the help of the Martian expanding wilds. Hit five Martians on a paylines to win top payouts of up to 2,500 coins. Play Fail Alien at popular slot sites and enjoy a 96.64% RTP.
Enjoy Out-Of-This-World Features
Reap bigger rewards by activating many exciting features when you play Fail Alien slot online at the best real money casinos.
Symbols
Features / Top Payouts
Alien King Scatters
4,000 + 15 Free Games + Spin the Wheel
Planet Bonus Symbols
Select and Collect Planet Bonus
Wild Martians
2,500
Blue Aliens
1,000
Red Aliens
800
Yellow Aliens
600
Spaceships / Ray Guns
400
A / K / Q
150
J / 10 / 9
100
Go Boldly Into New Dimensions
The Fail Alien slot machine is one of many space-themed slots you can play. Check out Alien Domination by World Match or Alien Invasion by KA Gaming.
Save the Planet
Our Fail Alien review highlights how you can save Earth from Alien invaders. Get your rewards by activating free games, the Spin the Wheel Feature, and the Select and Collect Planet Bonus.
Play Fail Alien for free or real money. Spin other top online slots by Merkur below.