Thinking about giving Grandma's Attic a spin? We tested it thoroughly so you know what to expect. Rival are the software studio behind it, tuning the game for low volatility, with a published RTP of 96.17%. If everything lines up, Grandma's Attic can pay up to 1,250x your bet. You get 5 reels and 10 paylines, all wrapped in a halloween theme. Expect a hit frequency around 30%, which sets the rhythm of play. So does it deliver? Let's get into it.
Written by Rachel Kim · Last updated: February 2026
This release, Grandma's Attic, is the work of Rival, wrapped in a halloween theme. It runs on a 5-reel grid running 10 paylines with low variance, and 96.17% RTP.
The mechanics are what make Grandma's Attic 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. On balance, Grandma's Attic is a dependable option worth a few spins in the demo first.
The RTP of 96.17% is right around the industry average of ~96%. This represents a fair return that's in line with what most modern slots offer.
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.
Grandma's Attic 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
Grandma's Attic by Rival is a solid offering that delivers good entertainment value. The 96.17% RTP combined with low volatility creates a well-balanced gaming experience.