Buffalo Thunderstacks Review
Buffalo Thunderstacks sends wild animals across the grasslands, with the buffalo as a stacked wild; see also Gold Buffalo.
5×4 grid
Buffalo Thunderstacks plays on a 5×4 grid with 40 lines, paying from left to right.
Buffalo Thunderstacks Features
Respin feature
Four stacked buffalo symbols trigger respins, which continue as long as another buffalo lands. All wins in the feature are added together.
RTP
GrandX doesn't list an RTP for this game, so it is unconfirmed here. Amatic games can run at different RTP settings; the game's info screen shows the one in use.
Buffalo Thunderstacks Pros and Cons
Strengths
- Open-ended respins
- Stacked wilds
- Medium volatility
Limitations
- No free spins
- No published RTP
Our Verdict
Buffalo Thunderstacks is a mid-volatility buffalo game built around a respin chase.
Buffalo Thunderstacks FAQs
What triggers the respins?
Four stacked buffalo symbols.
How many lines does Buffalo Thunderstacks have?
40 lines.
What is the RTP?
It isn't published on GrandX; check the info screen in the game.
Sources and game-version notes
Information checked 1 November 2026.
Layout, lines, volatility and feature rules come from the game's page on GrandX, Amatic's online casino brand, checked on 1 November 2026. The page doesn't state an RTP, so it is marked unconfirmed; check the info screen in the demo.