Daniel Mertens

Slots & Games Editor

Meet Daniel Mertens,
our Slots & Games Editor

Slots & Games Expert at YummySpins

Slots editor who reads game mechanics before reviewing themes. Tests RTP, volatility, and feature behaviour in demo and cash mode against provider spec sheets.
  • RTP & volatility
  • Game mechanics
  • Software providers
  • Demo-first testing
  • Slot themes

What Daniel covers

What makes Daniel an expert

Daniel reads a slot the way a developer reads code: by what it does, not what its promo page claims. He has played through hundreds of titles in demo and cash mode, and he pays attention to the numbers that decide a session, return to player, volatility, hit frequency, rather than the theme or the trailer. He can usually name the studio behind a game from the way it pays.

How Daniel fact-checks

Every figure in a game review is checked against the provider's own published data: RTP, max win, volatility rating and feature mechanics come from the studio's spec sheet, not a casino's marketing. Where a casino advertises a modified RTP, Daniel flags it.

How Daniel stays up to date

Providers tweak games and ship new mechanics constantly, so Daniel re-tests rather than trusting an old note. He replays titles after provider updates, tracks new releases from the major studios, and revisits RTP figures because operators sometimes swap in lower-paying versions of the same game quietly.

Q&A with Daniel Mertens

What number matters most in a slot?

Volatility, not RTP alone. A 96% slot can still empty a balance fast if the variance is high; RTP tells you the long-run average, volatility tells you how brutal the ride is.

What is the biggest trap for players?

Bonus-buy features. They feel like a shortcut to the fun part and are one of the fastest ways to lose a balance.

How do you pick which games to feature?

By how they actually play, not by how new or flashy they are. A clear, fair game with honest volatility beats a loud one with a hidden max-win cap.

What it's like working with Daniel

Daniel is who I check with when a bonus is tied to specific games. He knows instantly whether the slots behind an offer are worth playing or just there to burn wagering.
SASofia AlmeidaBonuses & Promotions Editor
Daniel reads a game's maths the way I read a data set. If he says a slot's volatility is brutal, it is, and the player-facing reviews are better for it.
MTMichael ThompsonCasino Reviews & Rankings

Meet the rest of the team