A 96.54% RTP on a High-Volatility Frame: What It Means for Your Bankroll
Release the Bison sits at 96.54% RTP across a high-volatility 5x4 grid, which immediately signals how this slot behaves over time. High volatility means the payline hits arrive spaced apart, and when they do land, they tend to carry more weight than they would on a medium-volatility game. A player spinning a $1 stake will encounter long stretches of nothing, then a cluster of wins that might include a 10x or 15x return. That uneven rhythm is not a flaw here; it is the engine. With a 96.54% RTP, the house edge is 3.46%, meaning over thousands of spins (not a session), the math expects to return roughly $96.54 per $100 wagered. RTPspy has tracked 6 recent spins and observed a 16.7% hit rate across that window, somewhat lower than the long-run baseline many players expect, which underscores how clumpy wins can feel on high-volatility machines. The biggest observed multiplier in that sample was 4x, well below the ceiling, so the variance is real and immediate.
Wild Respins and the Roaming Multiplier Loop
The wild respin feature triggers when four or more wilds land on a single spin. Once activated, the wilds reposition to random locations after each respin, and crucially, each new wild that lands adds 1 to an accumulating multiplier. This is not a one-time bonus; the multiplier grows with every respin, turning a four-wild trigger into a potential five or six-wild sequence with a 2x or 3x multiplier stacked on top. The scatters collected during respins bank toward the free spins feature, so a hot wild respin can unlock both the immediate multiplied win and build momentum toward the next bonus tier. This mechanic rewards patience inside the feature because the longer the respins chain, the higher the multiplier climbs. The upper boundary is set by the game's 3000x max win, so the respin sequences alone cannot breach that alone, but they are the primary vehicle for top-end payouts.
Free Spins with Sticky Wilds and Progressive Multipliers
Scatters (3, 4, or 5 of them) trigger the free spins round and also spin a wheel that determines both the spin count and the initial multiplier. Three scatters award between 8 and 18 free spins, and four or five scatters push the range higher, with the wheel selecting a multiplier between 2x and 5x. During the free spins, any wilds that land become sticky, meaning they remain in place for subsequent spins, and they continue to count toward the roaming-wild logic. A sticky wild on reel 2 locks there for three or four more spins, giving the player a second chance to land additional wilds and trigger the respin loop while still inside the free spins. This layering means free spins are not a simple fixed sequence; they are a secondary feature round where both the wilds and the multiplier interact. Landing five wilds during free spins awards a fresh batch of free spins, so a hot free spins can extend itself and compound the multiplier. The 5x upper limit on the multiplier is capped, but crossing into a 5x free spins with active sticky wilds is where the 3000x max win becomes believable.
Guaranteed Wins and the Feature Buy
Any non-winning spin in the base game has a chance to randomly convert into a guaranteed win worth 10x to 40x the bet. This mechanic smooths the experience between bonus triggers; it is not a replacement for the respins and free spins, but it reduces the sting of long blanks and provides a small cushion for bankroll erosion. The feature buy allows a player to purchase the free spins round directly for 80x, 150x, or 300x the bet, sidestepping the scatter hunt. The pricing scales with the expected payout range, so the 80x buy targets players who want a quick spin at the lower free spins counts, while the 300x option positions players for a higher scatter count and bigger multiplier. This gives control back to the player on a high-volatility game where patience may wear thin.
Verdict: For Bankroll-Aware High-Volatility Players
Release the Bison is built for players who understand volatility and respect its demands. The 96.54% RTP is fair, the feature set is coherent and interconnected, and the high-volatility slots mechanic is transparent. This is not a game to grind for an hour on a tight budget; it is a slot for deliberate sessions where the player has a defined stop-loss and can stomach the long silence between wins. The wild respins and free spins interact logically, and the guaranteed win feature prevents complete spiritual bankruptcy between triggers. Pragmatic Play has engineered a frontier-themed game that delivers on the high-volatility promise without gimmick.