Thinking about giving 3rd Base a spin? We tested it thoroughly so you know what to expect. This is a Microgaming slot, sitting firmly in the a medium low volatility profile bracket and paying back 95.36% RTP. Dating back to 2025, it remains a regular pick. If everything lines up, 3rd Base can pay up to 2,100x your bet. You get 5 reels and 15 paylines, all wrapped in a sports theme. Let's break down what works and what doesn't.
Written by Sarah Mitchell · Last updated: February 2026
At its core, 3rd Base is a game produced by Microgaming, built around a sports theme. It runs on 5 reels and 15 paylines with medium low variance, and 95.36% RTP.
Dig into the bonuses and 3rd Base starts to stand out. Look out for scatter symbols that unlock free spins and extra bonus rounds. The medium low volatility makes it forgiving on the bankroll, ideal for relaxed, longer sessions. All told, it's a solid entry in the Microgaming catalogue.
At 95.36%, the RTP is slightly below the industry average of ~96%. While this is typical for many popular slots, players should be aware of the slightly lower theoretical return.
Medium-low volatility offers a good balance of regular wins with occasional larger payouts. Expect frequent hits with modest amounts, suitable for casual players who want low-risk entertainment.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
3rd Base 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
3rd Base by Microgaming is a solid offering that delivers good entertainment value. The 95.36% RTP combined with medium low volatility creates a well-balanced gaming experience.