Background
Zombies
GRIMFORGE

Zombies

RTP

96.1%

Volatility

Unknown

Max Win

N/A

Key Facts

Zombies is an online slot from GRIMFORGE with an RTP of 96.12%.

Provider
GRIMFORGE
RTP
96.12%

Page updated July 2026

Game Review

Zombies is a straightforwardly-titled undead-themed slot from GRIMFORGE, a provider whose name suggests a darker, more atmospheric visual style than some of the lighter, cartoonish zombie titles on the market. Beyond the confirmed return to player figure, specific reel layout, paylines and bonus mechanic details for this release haven't been published.

RTP and what it means The confirmed return to player for Zombies is 96.1%, a solid figure sitting comfortably at the healthier end of the typical online slot range. This percentage reflects the theoretical share of staked money the game is designed to pay back to players over a large number of spins, though this is a long-run average rather than a guarantee for any given session.

Volatility No volatility rating has been published for this title, so rather than guess at the win pattern, it's worth checking the in-game paytable or information screen directly once you load the demo, where this rating is typically displayed alongside the full symbol values and bonus rules.

Theme Given GRIMFORGE's naming and general positioning, Zombies likely leans into a darker, grittier presentation of the undead genre rather than a comedic or cartoonish take, though the specifics of the symbol set and bonus structure remain to be confirmed directly in the game itself.

Max win and stakes Maximum win multiplier and stake range details aren't listed for Zombies, so checking the paytable within the game itself is the best way to get the full picture before wagering real money.

Bet range Minimum and maximum betting figures haven't been published for Zombies, so it's worth checking the stake selector inside the game directly before settling on a session size.

Verdict With a confirmed 96.1% RTP working in its favour, Zombies from GRIMFORGE looks like a reasonably generous entry into the zombie slot genre, even with the finer mechanical details still to be confirmed. Given the atmospheric branding around GRIMFORGE as a studio, this could be one for players who prefer their undead theming a little grittier — the best way to find out is to load the free demo at johnessyslots and see the presentation and bonus features for yourself before playing for real money. Its straightforward naming at least sets clear expectations for what genre you're getting.

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Zombies FAQ

What is the RTP of Zombies?+

Zombies has an RTP (return to player) of 96.12%. RTP is the theoretical percentage of total stakes a slot returns to players over a very large number of spins, as published by GRIMFORGE — individual sessions can land far above or below it.

Who makes Zombies?+

Zombies is developed by GRIMFORGE.

Tech Specs

Verified Data via Johnessy AI