Our review of Double Happiness cuts through the marketing and looks at what matters: how it plays and how it pays. Developed by SimplePlay, Double Happiness arrives with low variance and a return-to-player rate of 95.82%. It's built with crisp artwork and atmosphere and plays out on a 5-reel grid running 25 paylines. The maximum win sits at 2,500x, keeping expectations grounded but fair. Let's break down what works and what doesn't.
Written by James Holloway · Last updated: January 2026
At its core, Double Happiness is a slot produced by SimplePlay. Presentation-wise it's built with crisp artwork and atmosphere, and it leans toward low variance at 95.82% RTP. Under the hood you'll find a 5-reel grid running 25 paylines.
The mechanics are what make Double Happiness interesting. Look out for scatter symbols that unlock free spins and extra bonus rounds. A progressive jackpot adds a wildcard payout that can land at any time. The low volatility makes it forgiving on the bankroll, ideal for relaxed, longer sessions. Overall it's a well-rounded slot that knows what it is.
At 95.82%, 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.
Low volatility means frequent small wins with less risk. This slot is ideal for players who prefer steady, consistent payouts and longer play sessions without dramatic bankroll swings.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Double Happiness 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.
Double Happiness features a progressive jackpot that grows with every spin placed by players across the network. The jackpot can be triggered randomly or through a special bonus feature, offering the chance to win a life-changing sum. The jackpot continues to grow until one lucky player hits the winning combination.
3.1 / 5 — Good
Double Happiness by SimplePlay is a solid offering that delivers good entertainment value. The 95.82% RTP combined with low volatility creates a well-balanced gaming experience.