Curious what Mystery of LongWei actually feels like to play? Here's our full, no-fluff take. This is a iSoftBet release, sitting firmly in the a high volatility profile bracket and paying back a published RTP of 95.99%. Wins land at roughly a 30% hit rate, shaping how the sessions feel. Top wins are capped at 40,000x your stake, a genuinely massive ceiling for the patient. Visually it's built around a mystery and asian theme, with the action running on 5 reels and 10 paylines. Here's how it stacks up.
Written by Sarah Mitchell · Last updated: January 2026
This slot, Mystery of LongWei, is the work of iSoftBet, built around a mystery and asian theme and powered by 10 paylines across 5 reels. The result is high volatility paired with an RTP of 95.99%.
The mechanics are what make Mystery of LongWei interesting. Look out for scatter symbols that unlock free spins and extra bonus rounds. With high variance, this one is aimed at players who can ride out the swings for the top wins. All told, it's a solid entry in the iSoftBet catalogue.
At 95.99%, 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.
High volatility means longer gaps between wins, but when wins do land, they can be significantly larger. A bigger bankroll and patience are recommended for this type of slot.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Mystery of LongWei 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
Mystery of LongWei by iSoftBet is a solid offering that delivers good entertainment value. The 95.99% RTP combined with high volatility creates a well-balanced gaming experience.