Curious what Jack's Goldmine actually feels like to play? Here's our full, no-fluff take. Developed by Mount Olympus, Jack's Goldmine arrives with low volatility and an RTP of 94.01%. Visually it's wrapped in a mining theme, with the action running on 10 paylines across 5 reels. The maximum win sits at 1,200x, keeping expectations grounded but fair. But is it actually worth playing? Read on.
Written by James Holloway · Last updated: January 2026
This slot game, Jack's Goldmine, is the work of Mount Olympus. Presentation-wise it's built around a mining theme, and it leans toward low variance at an RTP of 94.01%. Under the hood you'll find a 5-reel grid running 10 paylines.
The mechanics are what make Jack's Goldmine interesting. Look out for scatter symbols that unlock free spins and extra bonus rounds. The low volatility makes it forgiving on the bankroll, ideal for relaxed, longer sessions. Overall it's a straightforward slot game that knows what it is.
The RTP of 94.01% 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.
Low volatility means frequent small wins with less risk. This slot is ideal for players who prefer steady, consistent payouts and longer play sessions without dramatic bankroll swings.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Jack's Goldmine 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.
2.5 / 5 — Average
Jack's Goldmine by Mount Olympus provides a straightforward slot experience. While it may not break new ground, it offers low volatility gameplay that will appeal to certain player preferences.