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Portal Master
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Starburst
RTP96.1%
VolatilityLow
Aliens
RTP96%
VolatilityMedium
The Spin Lab
RTP95.93%
VolatilityMedium
Weird Science
RTP0%
Volatility—
Double Dinosaur Deluxe
RTP95%
VolatilityMedium
Gumball Blaster
RTP0%
Volatility—
Galactic Cash Attack
RTP0%
Volatility—
Pharaohs & Aliens
RTP0%
Volatility—
Sweet Robots
RTP96.4%
VolatilityMedium
Robo Smash
RTP0%
Volatility—
Portal Master Slot Comparison
 Portal Master | Starburst | Aliens | The Spin Lab | |
|---|---|---|---|---|
User Score | (170) | (9284) | (2857) | (1520) |
Return to Player | 95% | 96.1% | 96% | 95.93% |
Volatility | Low | Low | Medium | Medium |
Min Bet | 10 | 10 | 0.15 | 0.25 |
Max Bet | 900 | 100 | 150 | 80 |
| — | 50,000x | — | — | |
Autoplay | No | Yes | 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 | 1,024 | 10 | 15 | 25 |
| Play Starburst for Free | Play Aliens for Free | Play The Spin Lab for Free |
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