Lucky Jack Lost Jungle has been catching plenty of attention, so we put it through its paces to see how it really holds up. This is a Spinomenal slot game, sitting firmly in the very high volatility bracket and paying back a published RTP of 95.95%. It's built around an adventure and jungle theme and plays out on 5 reels and 15 paylines. Wins land at roughly a 30% hit rate, shaping how the sessions feel. Top wins are capped at 500,000x your stake, a genuinely massive ceiling for the patient. The full verdict is below.
Written by Rachel Kim · Last updated: February 2026
Lucky Jack Lost Jungle is a slot from Spinomenal, themed around adventure and jungle and powered by 15 paylines across 5 reels. The result is a very high-variance maths model paired with 95.95% RTP.
Dig into the bonuses and Lucky Jack Lost Jungle starts to stand out. Look out for scatter symbols that unlock free spins and extra bonus rounds. The very high volatility means patience is rewarded — expect quiet spells broken by bigger hits. On balance, Lucky Jack Lost Jungle is a dependable option worth a few spins in the demo first.
At 95.95%, 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.
Very high volatility delivers the most extreme payout profile — long dry spells punctuated by potentially massive wins. Only recommended for experienced players with substantial bankrolls and high risk tolerance.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Lucky Jack Lost Jungle 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
Lucky Jack Lost Jungle by Spinomenal is a solid offering that delivers good entertainment value. The 95.95% RTP combined with very high volatility creates a well-balanced gaming experience.