Speakeasy Boost has been catching plenty of attention, so we put it through its paces to see how it really holds up. This is a Kalamba Games slot game, sitting firmly in the a medium high-variance maths model bracket and paying back a return-to-player rate of 94.24%. It's wrapped in polished, characterful visuals and plays out on a 5-reel grid running 15 paylines. The maximum win sits at 5,000x, so there's serious upside on the table. But is it actually worth playing? Read on.
Written by Daniel Chen · Last updated: March 2026
This slot, Speakeasy Boost, is the work of Kalamba Games. Presentation-wise it's given an engaging visual treatment, and it leans toward a medium high-variance maths model at 94.24% RTP. Under the hood you'll find a 5-reel grid running 15 paylines.
Dig into the bonuses and Speakeasy Boost starts to stand out. 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. On balance, Speakeasy Boost is a dependable option worth a few spins in the demo first.
The RTP of 94.24% 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.
Speakeasy Boost 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
Speakeasy Boost by Kalamba Games is a solid offering that delivers good entertainment value. The 94.24% RTP combined with medium high volatility creates a well-balanced gaming experience.