- All Slots ›
- Northern Lights ›
- Bison Boom™
Bison Boom (Northern Lights) – Review & Demo Play
Bison Boom from Northern Lights play free demo version ▶ Casino Slot Review Bison Boom ✔ Return (RTP) of online slots on July 2026 and play for real money✔
The Bison Boom Slot Game
I spent a fair chunk of time on Bison Boom and the prairie vibe came across well. You get dry wilderness under shifting skies, a mountain backdrop, pines, and the dynamite crate to the left hinting at an explosive twist. When the bonus lands, the scene shifts to night and the soundtrack leans into a laid back melody. The layout keeps things simple, with the controls stacked on the right, so spinning up the 5x3, 20 line game is as straightforward as it looks.
Bison Boom in Casinos:
➡️ New Slot Sites List Updated: July 2026
➡️ Casinos are licensed and tested by independent gambling auditors eCOGRA ✅ iTech Labs ✅ Gaming Laboratories International
!!! Remember the rules of the Safe Gambling & Responsible Gaming – Casinos can cause Gambling addiction !!!
Pyramid Spin
- Good selection of games
- Casino accepts players from many countries
- Huge selection of game providers
- Live chat support is available 24/7
Slots Charm
- Good selection of games
- Casino accepts players from many countries
- Huge selection of game providers
- Live chat support is available 24/7
Captain Marlin
- Good selection of games
- Casino accepts players from many countries
- Huge selection of game providers
- Live chat support is available 24/7
Libra Spins
- Good selection of games
- Casino accepts players from many countries
- Huge selection of game providers
- Live chat support is available 24/7
Euphoriawins
- Good selection of games
- Casino accepts players from many countries
- Huge selection of game providers
- Live chat support is available 24/7
Raptorwins
- Good selection of games
- Casino accepts players from many countries
- Huge selection of game providers
- Live chat support is available 24/7
Scarabwins
- Good selection of games
- Casino accepts players from many countries
- Huge selection of game providers
- Live chat support is available 24/7
Symbols and Payouts in Bison Boom
Bison Boom runs a 5 reel, 3 row grid with 20 unchangeable paylines. Wins land when three or more matching symbols fall left to right on a valid line, and all pays scale with your stake. The low wins are the poker royals: Jack pays 0.1x to 0.5x, Queen 0.2x to 0.6x, King 0.3x to 0.8x, and Ace 0.4x to 1x. Regular pays won't set records on their own, but they do keep the base game ticking while you chase the features.
High win symbols fit the theme. Raccoon returns 0.5x, 1x, and 2x; Eagle pays 0.6x, 1.5x, and 3x; Wolf pays 1x, 2x, and 4x; Bear tops the board at 2x, 4x, and 8x for five of a kind. The Bison Wild substitutes for all regulars and matches the Bear's top line win, so a full wild line delivers 8x. The bigger value comes later, once wild bursts and Moon modifiers start layering over these base figures.
Bison Boom Symbols and Paytable
| Symbol | Quantity | Payout |
|---|---|---|
 |
5 | x16 |
| 4 | x8 | |
| 3 | x4 | |
 |
5 | x8 |
| 4 | x4 | |
| 3 | x2 | |
 |
5 | x6 |
| 4 | x3 | |
| 3 | x1.2 | |
 |
5 | x4 |
| 4 | x2 | |
| 3 | x1 | |
 |
5 | x2 |
| 4 | x1 | |
| 3 | x0.8 | |
 |
5 | x1.6 |
| 4 | x0.8 | |
| 3 | x0.6 | |
 |
5 | x1.2 |
| 4 | x0.6 | |
| 3 | x0.4 | |
 |
5 | x1 |
| 4 | x0.4 | |
| 3 | x0.2 | |
 | Scatter | |
 | Bonus | |
 | Wild | |
Bison Boom Slot Bonus Features
Mini Dynamite tokens can land in the base game and stack into the wooden crate beside the reels. At random, the crate can detonate and trigger Bison Wild Boom, splashing up to 15 Bison Wilds across the grid. Those extra wilds replace regular symbols and often turn near misses into lines, so this is the nudge that creates the bigger base hits. It's an on spin event, so you never quite know when the blast will drop.
Moon symbols sit at the heart of the bonus. Red and Blue Moons carry multipliers up to 7x, with a modifier able to upgrade a Red Moon to a Blue one. To expand the bonus board, land two scatters on reels 1 and 3 to feed the Feature Upgrade meter. Every 10 tokens fills one section, adding an extra row to Bison Spins, up to four sections. Progress is saved per bet level and resets after it's used in the next feature.
Three scatters trigger Bison Spins, a Link & Win style bonus with three respins. Before it starts, you can pick Upsizer options for a listed price. During the round, only Moons, blanks, and Feature Modifiers land, and any new Moon or modifier resets the respins to three. Modifiers include Collector, Adder, Persistent Adder, No 1x Moon, Splitter, Key, Bomb, and Doubler. Fill the board for a flat 2,000x, while the wider feature peaks at 11,000x.
How to Win at Bison Boom Slot
Gameplay is straightforward. Set your stake between €0.20 and €20 per spin, tap the main spin for one round, or use Autoplay for up to 100 spins if the option is present. A lightning icon toggles faster spins, and the menu shows the paytable and rules. Wins pay on 20 fixed lines from the leftmost reel. In the base game, dynamite tokens feed the wild crate and two scatter sets feed the upgrade meter. The Buy Bonus costs 71.8x, and meter progress isn't used when you buy.
Bison Boom Slot RTP & Volatility
Bison Boom ships with three RTP settings: 96.15%, 94.08%, and 92.12%. Volatility sits in the middle, which suits the steady trickle of line wins and the regular feature activity. A 33.55% hit frequency means you'll see wins on roughly one in three spins over time. Stakes range from €0.20 to €20, which covers casual sessions and lets you size bets around the feature cadence without leaning into very high limits.
The ceiling is set high enough to stay interesting. The max exposure reaches 11,000x the stake, helped by Moon multipliers, expanded rows, and stacked modifiers. Filling every position in Bison Spins pays a flat 2,000x, while five of a kind wilds on a line pay 8x in the base math. RTP choice depends on the venue, so the experience can vary a bit from place to place, but the medium profile and hit rate keep the rhythm consistent.
Other slots from Northern Lights:
We have 25 slots from the provider Northern Lights in our database. We recommend you check out other slots from Northern Lights:
All Northern Lights slots here
Other Casino Software Providers
We also have slot machines from other casino software providers in our database. Many of them can give you a whole new perspective on slots gambling
References
Our editorial team
All our content is written by our editorial team and checked before publication. We play the games ourselves, verify licences and withdrawal terms, and update every review as soon as something changes.
Under the supervision of Editor-in-Chief Mark Rylance