Big Bass Bonanza is a Reel Kingdom slot distributed by Pragmatic Play, published RTP 96.71%, medium-high volatility. It is a 5x3, 10-payline game whose free-spins fisherman collects money symbols, and it lives in Oshi Casino's Pragmatic library. Winnings settle through Oshi's Interac and crypto rails.
Play Big Bass BonanzaReviewed by Amara Okafor - 4 September 2026
Big Bass Bonanza is the slot that launched a whole Reel Kingdom series, distributed on Pragmatic Play's platform. Unlike the pay-anywhere titles, this is a classic 5-reel, 3-row layout with 10 fixed paylines, so wins land left-to-right on lines. Pragmatic publishes the RTP at 96.71% and the game runs at medium-high volatility - a step calmer than Sweet Bonanza. Oshi hosts the standard build, so 96.71% is the maker's spec.
The fisherman, the money symbols and the multipliers
The core is the free-spins round. Three or more scatter symbols award 10 free spins, and during them the wild fisherman collects the value of every money symbol - fish carrying cash amounts - that lands on the reels. Collect four fishermen in a round and the round retriggers with a rising multiplier: the fisherman starts adding a 2x, then 3x, then up to 10x to each fish he reels in. That collect-and-multiply loop is where the ceiling sits, and it is Pragmatic's published behaviour at 96.71% RTP.
How medium-high volatility plays out
Medium-high variance means the base game pays a little more often than a high-volatility slot, but the real weight still lives in the free spins with the multiplying fisherman. The 96.71% RTP is a long-run figure, so a single session will run above or below it. In practice the game feels steadier than the 6x5 tumble slots between features, then spikes when the fisherman stacks money symbols under an active multiplier.
Stake range and the feature buy
Oshi lets you move the per-spin stake across a wide band; the specific minimum and maximum depend on currency and the game build, so read the in-game stake selector instead of assuming a number. Many Big Bass builds offer a Buy Feature that pays a fixed multiple of the stake to jump into the free spins. It raises the cost and the variance of the session, not the 96.71% RTP.
| Spec | Detail |
|---|---|
| Provider | Reel Kingdom (via Pragmatic Play) |
| Published RTP | 96.71% |
| Volatility | Medium-high |
| Grid | 5 reels x 3 rows, 10 paylines |
| Trigger | 3+ scatters award 10 free spins |
| Feature | Fisherman collects money symbols; up to 10x multiplier |
Withdrawing at Oshi
Winnings leave Oshi through Interac in CAD or crypto in BTC, ETH, LTC, BCH and USDT. Portals report a median crypto payout around 14 minutes once a withdrawal is approved, with the approval review counted separately. If the balance came from a welcome offer or free spins, the winnings expire fast and the wagering is steep - confirm the terms first. Oshi's licence is disputed across sources (Tobique #0000002 / Novatrix SRL versus Curacao), so verify the current one in the site terms.
The multiplying fisherman is designed to tempt a retrigger chase. Fix a loss limit and a session length up front and use Oshi's responsible-gaming controls to enforce them.
Set your limits