An underwater coral reef gives Great Reef its identity, but the number worth noting is the 96.64% RTP — a notch above the 96% mark many online slots hover around. Pragmatic Play built the game, and the studio often ships lower RTP variants alongside the default, so the figure can vary by casino.
How Great Reef Slot plays
With medium volatility, Great Reef Slot splits the difference: enough regular pays to stay engaged, enough upside in the features to keep a big hit on the table.
Is 96.64% a good RTP?
At 96.64%, Great Reef Slot returns noticeably more than the ~96% industry average. Over a long run that edge matters, and it's a genuine mark in the game's favour. Bear in mind RTP is a long-run theoretical figure, not a promise for any single session.
Who should play it
Great Reef Slot is an easy all-rounder — enough action for most players without demanding a specialist's bankroll or nerve. A sensible pick if you're not chasing extremes in either direction.
What we liked
- Above-average 96.64% RTP
- A balanced rhythm of pays (medium volatility)
- From Pragmatic Play, a studio we rate
Worth knowing
- Medium-volatility play: neither the calmest nor the wildest ride
- Bonus features can be slow to trigger
Want to try Great Reef Slot in demo or real-money mode?
Play at Casumo →Frequently asked questions
How we review: we verify each game's RTP, volatility and maximum win against provider data, then assess variance, features and value. Ratings reflect our editorial judgement, not commercial arrangements. Read our full methodology →