Mammoth Power has been catching plenty of attention, so we put it through its paces to see how it really holds up. Konami are the developer behind it, tuning the slot game for a medium-variance maths model, with 95.61% RTP. If everything lines up, Mammoth Power can pay up to 5,000x your bet. It's wrapped in polished, characterful visuals and plays out on a 5-reel grid running 15 paylines. Wins land at roughly a 30% hit rate, shaping how the sessions feel. Let's break down what works and what doesn't.
Written by Sophie Williams · Last updated: February 2026
Mammoth Power is a slot game from Konami, wrapped in polished, characterful visuals. It runs on 15 paylines across 5 reels with medium volatility, and a return-to-player rate of 95.61%.
The mechanics are what make Mammoth Power interesting. Look out for scatter symbols that unlock free spins and extra bonus rounds. Its medium variance balances steady wins with the odd larger payout. On balance, Mammoth Power is a dependable option worth a few spins in the demo first.
At 95.61%, 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.
A balanced volatility profile with a mix of smaller frequent wins and occasional larger bonus payouts. Suitable for players who want steady action without extreme swings.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Mammoth Power 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
Mammoth Power by Konami is a solid offering that delivers good entertainment value. The 95.61% RTP combined with medium volatility creates a well-balanced gaming experience.