Series
Diamond Mine series
In Blueprint Gaming's mining-slot lane, the Diamond Mine series occupies the high-pressure Megaways niche more completely than a loose collection of gem games: every entry uses six reels, cascades and 117,649 ways, while the bonus controls change around that core. These Diamond Mine slots preserve the excavation theme and 10,000x ceiling as volatility and feature access shift.
Ranked by Slot Score
| Game | Year | RTP | Volatility | Slot Score |
|---|---|---|---|---|
 Diamond Mine MegawaysBlueprint Gaming | 2018 | 96.43% | High volatility | 80 |
 Diamond Mine Extra Gold MegawaysBlueprint Gaming | 2019 | 96.43% | High volatility | 84 |
 Diamond Mine All Action MegawaysBlueprint Gaming | 2020 | 97.03% | Medium/High | 83 |
 Diamond Mine 2 MegawaysLatestBlueprint Gaming | 2023 | 95% | Medium/High | 73 |
Diamond Mine Megaways set the engine in 2018 with high volatility, cascading wins and a multiplier during free spins. Diamond Mine Extra Gold Megaways kept the 117,649-way, high-volatility frame in 2019 but added mystery symbols, a bonus wheel, bonus buying and a gamble feature, giving the player more routes into or around the main bonus.
Diamond Mine Megaways mechanics that stay fixed
- Reel engine: six reels with up to 117,649 ways.
- Win sequence: cascades remove winning symbols and refill the grid.
- Bonus foundation: scatters, wilds, free spins and multiplier support.
- Reward cap: each entry carries a 10,000x maximum win.
Diamond Mine All Action Megaways changed the pressure in 2020 by moving to medium/high volatility and a 97.03% RTP while retaining the wheel and mystery-symbol tools. Diamond Mine 2 Megaways later set RTP at 95% and made bonus selection more explicit through a bonus buy, bonus bet and selectable free-spins modes.
- Diamond Mine Megaways: the original high-volatility cascade and free-spins multiplier model.
- Extra Gold: more bonus access through mystery symbols, a wheel and buying.
- All Action: a medium/high-volatility version with the series' highest stated RTP.
- Diamond Mine 2: greater control over bonus entry and free-spins mode, paired with a lower RTP.