Our review of Double Dolphin Jackpot cuts through the marketing and looks at what matters: how it plays and how it pays. This is a MEGA 7 title, sitting firmly in the a medium high-variance maths model bracket and paying back an RTP of 95.16%. Visually it's given an engaging visual treatment, with the action running on a 5-reel grid running 20 paylines. Top wins are capped at 5,000x your stake, a healthy ceiling worth chasing. Dating back to 2022, it remains a regular pick. Here's how it stacks up.
Written by Rachel Kim · Last updated: January 2026
Double Dolphin Jackpot is a title from MEGA 7, finished with a clean, modern look and powered by 20 paylines across 5 reels. The result is medium high volatility paired with a published RTP of 95.16%.
Dig into the bonuses and Double Dolphin Jackpot starts to stand out. Look out for scatter symbols that unlock free spins and extra bonus rounds. Its medium high variance balances steady wins with the odd larger payout. Overall it's a well-rounded title that knows what it is.
At 95.16%, the RTP is slightly below the industry average of ~96%. While this is typical for many popular slots, players should be aware of the slightly lower theoretical return.
Medium-high volatility means wins come less frequently but tend to be larger when they hit. Players should be prepared for dry spells between bigger wins, requiring a moderate bankroll.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Double Dolphin Jackpot features scatter symbols that can trigger free spins rounds. Landing the required number of scatter symbols anywhere on the reels activates the free spins feature, giving you extra chances to win without additional bets. During free spins, special modifiers may apply to boost your winning potential.
3.0 / 5 — Good
Double Dolphin Jackpot by MEGA 7 is a solid offering that delivers good entertainment value. The 95.16% RTP combined with medium high volatility creates a well-balanced gaming experience.