Blog
Learn the game behind the game.
Guides on slot volatility, advantage play and reading machines, written for players who want to understand what they’re looking at.
Advantage play
List of Advantage Play Slot Machines: All 217 Games by Maker and Type (2026)
The full list of advantage play slot machines: 217 game families with the maker, the mechanic type and what to look for on each, including every must-hit-by game we track.
· 6 min read
Game guides
Rich Little Piggies Advantage Play: How the Pigs Work and When to Play
A Rich Little Piggies advantage play guide: how the blue, yellow and red pigs build up, why the blue pig matters most, and the free-game counts that make it a play at 87% payback.
· 5 min read
Game guides
Wizard of Oz Slot Machine Guide: Yellow Brick Road and Over the Rainbow
How the Wizard of Oz slot machine series works, from the original WMS game to Follow the Yellow Brick Road's saved free-games meters and Over the Rainbow's balloon jackpot.
· 6 min read
Advantage play
Must Hit By Calculator: Work Out Any Play With a Worked Example
A free must hit by calculator for any machine: enter the jackpot, must-hit-by, reset, average hit point, meter speed and payback setting to see the expected value and break-even meter.
· 4 min read
Game guides
Buffalo Slot Machine Tips: How Each Buffalo Game Works
Buffalo slot machine tips and strategy that hold up: how the original Buffalo pays, which versions like Buffalo Link, Ascension and Stampede save progress between players, and how to win on a Buffalo slot without falling for myths.
· 5 min read
Advantage play
Must-Hit-By Slot Machines Explained
Must hit by slot machines guarantee a progressive jackpot or feature before a meter reaches its cap. How reset and cap work, how they differ from regular progressives, and why a calculator matters.
· 6 min read
Game guides
Regal Riches Slot: How the Must-Hit-By Wilds Work
A Regal Riches must hit by guide: how IGT's four wild meters work, the meter levels where each becomes a play at 87% payback, and why the real number depends on the machine's setting.
· 7 min read
Beginner guide
Low Volatility Slot Machines: What Are They?
What low volatility means in slots, how to find low volatility slot machines, and why low volatility, low-cost plays and advantage play are not the same thing.
· 15 min read