This is our own slot rating based on how popular the slot is, RTP (Return To Player) and Big Win potential.
Play the 777 Diamond Strike free demo slot—no download required! Try Red Tiger Gaming’s latest game, enjoy risk-free gameplay, explore features, and learn game strategies while playing responsibly. Read our expert 777 Diamond Strike slot review with ratings for key insights before you play.
Released:June 26 2025
Responsible Gaming
You have to be 18 years or older to play our demo games. Please confirm that you are of the legal age to proceed:
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Malta-License (EU)
Curacao-License
Curacao-License
Curacao-License
Malta-License (EU)
Curacao-License
Curacao-License
Curacao-License
777 Diamond Strike by Red Tiger is a glitzy, retro-style slot that blends classic charm with modern mechanics. Played on a 5x3 grid with 10 paylines, it features Diamond Wilds that expand to cover entire reels and a three-tiered free spins system called 7th Heaven. Trigger 7 Free Spins, then retrigger to unlock Win Spins (guaranteed wins) and Wild Spins (sticky wilds + guaranteed wins). With a max win of 4,168x, high volatility, and a 95.73% RTP, this slot is ideal for players who enjoy escalating bonus rounds and a nostalgic Vegas vibe with a sparkling twist.
777 Diamond Strike has a layout that consists of 5 reels and up to 10 paylines / ways. The game has several features including Buy Feature, Expanding Wilds, Locked Wilds, Retrigger, Sticky Wilds, Win Guarantee, and more. 777 Diamond Strike also has a free spins bonus round and this is usually where you can win the big money.
The RTP (Return to Player) for 777 Diamond Strike slot is 95.73%. This payback is good and considered to be about average for an online slot. Theoretically, this means that for every €100 put into the game, the expected payout would be €95.73. However, the RTP is calculated on millions of spins, which means that the output for each spin is always random.
The highest possible payout for this slot is 4168x your total bet which is pretty high and gives you the chance to win quite big wins. The maximum possible win is also calculated over a huge amount of spins, often one billion spins.
777 Diamond Strike is a volatile slot, and Red Tiger Gaming rates the volatility High (4/5). Volatility, in the context of slot games, refers to how often and how much a slot game pays out. 777 Diamond Strike is designed to appeal to those who enjoy the adrenaline rush of substantial winnings that low volatility slots can't deliver, and are willing to accept the inherent risks of less frequent payouts.
777 Diamond Strike is a stylish throwback with a clever twist. The progressive free spins system adds real excitement, especially when you climb from regular spins to guaranteed wins with sticky wilds. The Diamond Wilds in the base game keep things interesting, and the Bonus Buy gives impatient players a shortcut to the action.
That said, the lack of innovation beyond its retrigger system may not wow seasoned players. Still, for fans of classic slots with layered bonuses, this one shines bright enough to warrant a spin.
This is our own slot rating based on how popular the slot is, RTP (Return To Player) and Big Win potential.
- Yes, 777 Diamond Strike is available for both free play and real money. You can try out our free demo above to experience the game before deciding to play with real cash. To play for real money, head over to an online casino of your choice among our recommended Red Tiger Gaming sites.
- To play 777 Diamond Strike with real money, follow these simple steps:
- Yes! Most of our recommended online casinos offers a first deposit bonus that you can use on 777 Diamond Strike.
- You can win average amounts of up to 4168x your stake on this game.
Example: If you bet 1 EUR you can win 4168 EUR at most (when playing with real money).