Our review of Lucky McGee's Superslice Swirl cuts through the marketing and looks at what matters: how it plays and how it pays. This is a RAW iGaming slot game, sitting firmly in the a medium high-variance maths model bracket and paying back a return-to-player rate of 94.31%. Dating back to 2017, it remains a regular pick. You get a 5-reel grid running 30 paylines, all leaning into a st. patrick's day and irish aesthetic. The maximum win sits at 5,000x, so there's serious upside on the table. The full verdict is below.
Written by Emma Roberts · Last updated: March 2026
Lucky McGee's Superslice Swirl comes to us from RAW iGaming. Presentation-wise it's built around a st. patrick's day and irish theme, and it leans toward medium high variance at 94.31% RTP. Under the hood you'll find 30 paylines across 5 reels.
Where Lucky McGee's Superslice Swirl earns its keep is the feature set. Look out for scatter symbols that unlock free spins and extra bonus rounds. The medium high volatility strikes a middle ground that should suit most playing styles. All told, it's a solid entry in the RAW iGaming catalogue.
The RTP of 94.31% is below the industry average of ~96%. This is common for older slots or those with special features. The lower RTP may be offset by unique mechanics or higher maximum win potential.
Medium-high volatility means wins come less frequently but tend to be larger when they hit. Players should be prepared for dry spells between bigger wins, requiring a moderate bankroll.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Lucky McGee's Superslice Swirl 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 McGee's Superslice Swirl by RAW iGaming is a solid offering that delivers good entertainment value. The 94.31% RTP combined with medium high volatility creates a well-balanced gaming experience.