Stack 'Em RTP: 96.2% — but check your casino's version
Stack 'Em by Hacksaw Gaming (2021) — cluster stacker. Published in multiple RTP builds (92.2%–96.2%): the casino picks the hold, and the reduced build costs about $24/hour more at $1 spins.
Figures from provider game sheets & aggregators, July 2026.
What each published build costs
Same game, different math. Long‑run cost at $1 spins, ~600 spins/hour.
| RTP build | House edge | Cost / 1,000 spins | Cost / hour |
|---|---|---|---|
| 96.2% (best) | 3.8% | $38 | $23 |
| 92.2% | 7.8% | $78 | $47 |
To find out which build your casino runs, open the game there and hit the info/paytable button (ⓘ) — regulated casinos must show the RTP. If it's below 96.2%, you're playing the reduced version of the exact same game.
What a session costs on this game
Preset to the best build — drop the payback to your casino's version to see the difference.
More from Hacksaw Gaming
- Wanted Dead or a Wild — 96.4% best build
- Chaos Crew — 96.3% best build
- Le Bandit — 96.3% best build
- Dork Unit — 96.2% best build
- Hand of Anubis — 96.2% best build
Frequently asked questions
What is the RTP of Stack 'Em?
Stack 'Em is published in multiple builds: the best pays 96.2% and the lowest 92.2%. Which you get depends on the casino — check the in-game info screen.
How volatile is Stack 'Em?
Stack 'Em is a high-volatility slot with a max win of 10,000× your bet. Higher volatility means longer dry spells and bigger (rarer) hits at the same RTP.
What does the reduced version of Stack 'Em cost me?
At $1 spins (~600/hour), the 92.2% build costs about $24 more per hour than the 96.2% build — same game, worse math.
RTP figures are the studio's published values (best build unless noted) — a dated snapshot; the in‑game info screen at your casino is the final word. All slots are negative expected value. 21+ where applicable; online casino play is legal only in some states. Informational only, not gambling advice. Gambling problem? Call 1‑800‑GAMBLER.