Structure comparison
Two games, side by side
The structural difference between two games, assembled from published specifications only. Nothing here forecasts a result or recommends either game.

Mystery Joker
Play’n GO
- Format family
- Fixed paylines
- RTP
- 96.98%
- Volatility
- Medium
- Win cap
- 6,480×
- Reels
- 3
- Theme signals
- Not published
VS
Great Game Rockies
Hacksaw Gaming
- Format family
- Fixed paylines
- RTP
- 96.33%
- Volatility
- Not published
- Win cap
- 5,000×
- Reels
- Not published
- Theme signals
- Music & party
VS

Galaxy Miner
PG Soft
- Format family
- Standard video slot
- RTP
- 96.78%
- Volatility
- Not published
- Win cap
- 5,000×
- Reels
- 3
- Theme signals
- Sci-fi & neon
Reading the difference
Reading the difference
Some dimensions are excluded because one studio does not publish that figure.
Mystery Joker vs Great Game Rockies
- Both titles are built on the same format family: Fixed paylines. Differences between them therefore come from tuning, not from structure.
- They come from different studios — Play’n GO and Hacksaw Gaming — which is what makes the comparison useful: the same problem, two house styles.
- Published RTP: 96.98% against 96.33% — Mystery Joker is 0.65 points higher. RTP is a long-run theoretical figure, not a session forecast.
- Win caps differ by about 1.3×: 6,480× against 5,000×, with Mystery Joker higher. A cap is a rulebook ceiling, not an expectation.
- Volatility cannot be compared: Great Game Rockies does not publish a rating.
Mystery Joker vs Galaxy Miner
- Different format families: Mystery Joker is Fixed paylines, Galaxy Miner is Standard video slot. Read each screen with its own rule set.
- They come from different studios — Play’n GO and PG Soft — which is what makes the comparison useful: the same problem, two house styles.
- Published RTP: 96.98% against 96.78% — Mystery Joker is 0.20 points higher. RTP is a long-run theoretical figure, not a session forecast.
- Win caps differ by about 1.3×: 6,480× against 5,000×, with Mystery Joker higher. A cap is a rulebook ceiling, not an expectation.
- Volatility cannot be compared: Galaxy Miner does not publish a rating.
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