Our review of Windy City cuts through the marketing and looks at what matters: how it plays and how it pays. This is a Endorphina slot game, sitting firmly in the very high variance bracket and paying back 96.04% RTP. It's wrapped in polished, characterful visuals and plays out on a 5-reel grid running 40 paylines. Originally released in 2018, it has aged well. Top wins are capped at 50,000x your stake, a genuinely massive ceiling for the patient. Here's how it stacks up.
Written by Sarah Mitchell · Last updated: January 2026
This slot, Windy City, is the work of Endorphina. Presentation-wise it's wrapped in polished, characterful visuals, and it leans toward a very high-variance maths model at 96.04% RTP. Under the hood you'll find 5 reels and 40 paylines.
The mechanics are what make Windy City interesting. Look out for scatter symbols that unlock free spins and extra bonus rounds. With very high variance, this one is aimed at players who can ride out the swings for the top wins. On balance, Windy City is a dependable option worth a few spins in the demo first.
The RTP of 96.04% is right around the industry average of ~96%. This represents a fair return that's in line with what most modern slots offer.
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.
Windy City 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
Windy City by Endorphina is a solid offering that delivers good entertainment value. The 96.04% RTP combined with very high volatility creates a well-balanced gaming experience.