Series
777 Jackpot Diamond series
777 Jackpot Diamond slots: choosing between the original, Deluxe and Mega Multi
Which 777 Jackpot Diamond slot should you start with when Gaming Corps keeps the same 10-line hold-and-win formula across each version? 777 Jackpot Diamond is the cleanest starting point: the 2022 release uses a 5x3 grid, respins, additive symbols and a bonus buy, with a restrained 1,500x maximum.
Ranked by Slot Score
| Game | Year | RTP | Volatility | Slot Score |
|---|---|---|---|---|
 777 Jackpot DiamondGaming Corps | 2022 | 96.93% | — | 70 |
 777 Jackpot Diamond Hold and Win DeluxeGaming Corps | 2024 | 96.1% | Medium volatility | 72 |
 777 Jackpot Diamond Hold and Win Mega MultiLatestGaming Corps | 2025 | 95.8% | Medium volatility | 65 |
- Gaming Corps · 2025RTP95.8%Score65Medium volatility
777 Jackpot Diamond Hold and Win Deluxe keeps the 5x3 presentation but makes the bonus layer more explicit through dedicated bonus symbols and a 2,000x ceiling. Its medium-volatility profile suits the player who wants the original fruit-and-gem format with a stronger hold-and-win target.
777 Jackpot Diamond Hold and Win Mega Multi is the more feature-heavy branch. The 2025 version uses a 3x5 layout and adds sticky symbols, random multipliers, fixed jackpots and a bonus bet while lifting the maximum to 2,500x. The progression is orderly: the base game introduces additive-symbol respins, Deluxe strengthens the bonus identity, and Mega Multi adds more multiplier and jackpot pressure.