Play Grimoire of the Deep by 4phantom for free. The demo runs in the provider's official game client with play-money credits — same reels, same features, same math as the real game on Stake — and needs no account.
Studio: 4phantom
Platform: Stake Engine
RTP: 96.02%
Max win: 25,000×
Volatility: Very High
Bets tracked: 31
Biggest win tracked: $5,155
Top multiplier tracked: 5,155×
How to play the Grimoire of the Deep demo
Open the demo — it loads in 4phantom's own client with play-money credits.
Spin as long as you like; use the refill button if the demo balance runs out.
Ready for real stakes? The same game is one click away on Stake.
Grimoire of the Deep math and verification
Grimoire of the Deep runs on Stake Engine, so its full payout tables are public. See exact RTP, volatility and max win for every mode on its Slot Cruncher page, verify any spin or find the max-win spin in the Stake Engine verifier, or browse the studio's live stats on 4phantom's tracker page.