If you're trying to work out whether Vault Blast Hold and Win is worth your time, this hands-on review breaks it down. Built by OctoPlay, it lands as a slot game with a medium-variance maths model and a return-to-player rate of 95.52%. It's given an engaging visual treatment and plays out on 15 paylines across 5 reels. The maximum win sits at 5,000x, so there's serious upside on the table. So does it deliver? Let's get into it.
Written by Alex Crawford · Last updated: January 2026
Vault Blast Hold and Win comes to us from OctoPlay, finished with a clean, modern look. It runs on a 5-reel grid running 15 paylines with a medium-variance maths model, and 95.52% RTP.
Dig into the bonuses and Vault Blast Hold and Win starts to stand out. Look out for scatter symbols that unlock free spins and extra bonus rounds. Its medium variance balances steady wins with the odd larger payout. All told, it's a solid entry in the OctoPlay catalogue.
At 95.52%, 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.
A balanced volatility profile with a mix of smaller frequent wins and occasional larger bonus payouts. Suitable for players who want steady action without extreme swings.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Vault Blast Hold and Win 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
Vault Blast Hold and Win by OctoPlay is a solid offering that delivers good entertainment value. The 95.52% RTP combined with medium volatility creates a well-balanced gaming experience.