The Manic Millions slot by NextGen is a quirky, Frankenstein-inspired game featuring a mad scientist, his assistant Igor, and a collection of weird creatures. With an RTP of 95.24%, medium volatility, and a maximum payout of 1,250x your stake, it has remained a fan favorite thanks to its fun theme and rewarding features. Playable across desktop and mobile, it’s packed with wilds, scatters, and random bonuses that make every spin unpredictable.
The slot is built in HTML5, making it fully compatible with iOS, Android, and desktop devices. Gameplay runs across 5 reels and 25 fixed paylines. Bets range from 0.25 to 250 credits per spin, adjusted via the coin value slider. Since paylines are fixed, you’ll always have 25 coins in play.
Symbols include laboratory flasks, odd creatures, mushrooms, Igor, the mad scientist, and the Manic Millions logo scatter. The scatter pays up to 1,250x, while the scientist acts as the wild and awards up to 1,000x for a five-symbol combination. Igor pays up to 500x, while themed icons and flasks award smaller prizes.
Players can also toggle sound settings and set up to 100 auto spins for smoother gameplay.
This medium-volatility slot offers a fair balance between frequent wins and higher payouts. With an RTP of 95.24% and a top prize of 1,250x the stake, wins can be impressive. Betting at the maximum stake of 250 credits could land scatter wins worth 312,500 credits or wild wins worth 250,000 credits.
The Manic Millions slot is a light-hearted horror game with engaging mechanics. Random Igor bonuses keep the base game exciting, while the free spins with added wilds increase winning potential. The top prizes make it especially appealing for high-rollers, though lower-stake players will still enjoy its entertaining gameplay.
If you like this mad scientist adventure, you may also enjoy Jack’s Beanstalk, which offers a payout of 150,000 credits, or Glorious Empire, an ancient Rome-themed slot that pays up to 2 million credits.
The top payout is 1,250x your stake, with up to 312,500 credits possible when playing at the maximum bet.
Yes. Landing 3 or more scatters awards 10 free spins, with Igor able to add up to 3 extra wilds during the round. Free spins can be retriggered.
Along with free spins, there are two random Igor features: Igor may add extra scatters to trigger free spins or add extra wilds to boost payouts.
The RTP is 95.24%, which is slightly below average but balanced by medium volatility and entertaining features.
Yes. The slot is built in HTML5, making it compatible with iOS, Android, tablets, and desktop devices.