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BGaming · Slot Review

Bonanza Trillion — Full Review & Free Demo

3.9/5
Play for Real →
RTP
97.17%
Volatility
High
Max Win
5,000x
Provider
Reels
6
Paylines
Pays Anywhere
Bet Range ($,€,£)
N/A
Rating
3.9/5
Released
Sep 2025

Bonanza Trillion Slot Overview

Bonanza Trillion is BGaming's sequel to the popular Bonanza Billion, running on a 6-reel, 5-row grid with Scatter Pays mechanics. No traditional paylines here; you need 8 or more matching symbols anywhere on the grid to form a win. I came into this one expecting a meaningful upgrade over the original, and the short answer is: the multiplier ceiling got bumped to 500x, the Bonus Buy now has three tiers, and the RTP sits at a generous 97.17%. Visually, it is another fruit-and-crystal theme with a mobile-first design.

For serious players, the core question is whether those changes justify a fresh bankroll allocation. Max win caps at 5,000x. High volatility. Bets from 0.20 to 50. I will break down where the value sits and where it falls short.

Symbols and Paytable

Nine regular symbols split into two groups. Low pays are cherry, orange, citrus, plum, and watermelon; landing 12+ of one type pays between 2x and 10x your bet. High pays are heart, star, blue star, and green diamond, where 12+ of the same type pays 12x to 50x. Minimum winning cluster size is 8 symbols. Payouts below that threshold do not exist, so smaller clusters are dead weight.

Multiplier symbols come in three colours. Green carries 2x to 5x values, yellow ranges from 6x to 30x, and purple goes from 31x to 500x. Multiple multipliers landing on the same spin are added together before applying to the total win. In the base game, they apply directly. During Free Spins, they feed into a persistent pool, which I will cover next. Scatter is a multi-coloured symbol; 4, 5, or 6 scatters award 3x, 5x, or 100x the bet and trigger the bonus.

Symbol Payouts

icon 1
Green Diamond
Highest paying symbol on the paytable.
12+x50
10+x25
8+x10
icon 2
Blue Star
Second highest paying symbol.
12+x25
10+x10
8+x2.5
icon 3
Star
High paying symbol.
12+x15
10+x5
8+x2
icon 4
Heart
High paying symbol.
12+x12
10+x2
8+x1.5
icon 5
Watermelon
Top low paying symbol.
12+x10
10+x1.5
8+x1
icon 6
Plum
Low paying symbol.
12+x8
10+x1.2
8+x0.8
icon 7
Citrus
Low paying symbol.
12+x5
10+x1
8+x0.5
icon 8
Orange
Low paying symbol.
12+x4
10+x0.9
8+x0.4
icon 9
Cherry
Lowest paying symbol on the paytable.
12+x2
10+x0.75
8+x0.25
icon 10
Scatter
icon 11
Multiplier

Bonus Features and Buy Options

Landing 4+ scatters triggers 15 Free Spins. During the round, every multiplier symbol value gets added to a Multiplier Pool displayed above the reels. The pool does not reset between spins; it only grows. Crucially, the pool only applies to a spin's total win if a new multiplier symbol drops on that particular spin. No new multiplier, no pool payout. 3+ scatters during the round retrigger +5 spins.

Three Bonus Buy tiers are available. Standard free spins cost 100x your bet. Paying 300x starts you with a 50x multiplier pool. The premium option at 500x sets the pool at 100x from the first spin. There is also a Chance X2 ante bet at 1.25x stake that increases the odds of triggering free spins organically.

Here is my honest take: the 100x buy is fairly priced given the 97.17% RTP and hit frequency above 31%. But the 500x buy is overpriced at that level when the ceiling is only 5,000x. You are spending 10% of the max win just to enter the round. With a proper bankroll, I would stick to the 100x option or grind base game with the ante bet active.

Bonus Buy Options

Bonus Buy Free Spins
Free Spins
You can buy a round of free spins by paying 100x your bet.
Feature Cost: x100 BetRTP: 97.98%
Bonus Buy Feature Buy - Standard Free Spins
Feature Buy - Standard Free Spins
Buy instant access to Free Spins for 100x the bet.
Feature Cost: x100RTP: 97.98%
Bonus Buy Feature Buy - 50x Starting Multiplier
Feature Buy - 50x Starting Multiplier
Buy Free Spins with an initial Multiplier Pool of 50x for 300x the bet.
Feature Cost: x300
Bonus Buy Feature Buy - 100x Starting Multiplier
Feature Buy - 100x Starting Multiplier
Buy Free Spins with an initial Multiplier Pool of 100x for 500x the bet.
Feature Cost: x500
Bonus Buy Chance X2
Chance X2
Increases chances of triggering Free Spins for an extra 25% of the current bet. RTP remains 97.17%.
Feature Cost: 1.25x betRTP: 97.17%

Volatility, RTP, and Max Win

97.17% RTP across all modes, including the Bonus Buy options (the standard buy reportedly runs at 97.98%). High volatility. Average spins to trigger the bonus: roughly 163. Hit frequency around 31.35%, meaning nearly one in three spins returns something. That frequency keeps the balance from bleeding out too fast during base game sessions, which I appreciate when grinding towards a natural feature trigger.

Max win is 5,000x the bet, capped at 250,000 EUR. For this volatility class, the ceiling is too low for this variance. Most high-volatility scatter-pay slots I play sit at 10,000x or above. A 5,000x cap limits the upside on those rare monster rounds where the multiplier pool stacks into triple digits. If you are a bonus hunter chasing life-changing hits, this slot probably is not your primary target. If you want consistent grind value backed by strong RTP, it has merit.

Ryan Cole’s Verdict

Final Thoughts on Bonanza Trillion

Bonanza Trillion does a few things right for serious players. RTP is excellent. The multiplier pool mechanic during Free Spins creates genuine build-up tension. Scatter payouts on triggering (especially 100x for 6 scatters) can subsidise a bonus round before it even starts. The base game does not bleed as badly as many high-volatility slots thanks to the decent hit rate.

I am not entirely sold, though. BGaming played it safe. The mechanics are heavily borrowed from established scatter-pay formats, and the 5,000x ceiling undercuts what should be a high-risk, high-reward proposition. Minor cosmetic tweaks and a bumped multiplier range do not make this feel like a true sequel. For bankroll preservation with a side of upside, it works. For a proper high-roller chase, look elsewhere.
3.9
★★★★☆
out of 5
✓ Pros
Excellent 97.17% RTP across all modes
Three bonus buy options with starting multipliers
Multiplier pool persists through free spins
500x multiplier symbols in both base and bonus
Hit frequency above 31% reduces dead spin stretches
✗ Cons
5,000x max win is low for this variance
Mechanics feel derivative of existing scatter-pay slots
500x bonus buy is overpriced relative to ceiling
No wild symbol limits base game combinations
Ryan Cole
Ryan Cole
Lead Casino Slots Analyst
5+ years analysing online slots for the UK market. Every game is played for a minimum of 500 demo spins before publication. No affiliate bias — ever.
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Bonanza Trillion FAQ
How does the Multiplier Pool work during Free Spins?
Every multiplier symbol that lands during Free Spins adds its value to a persistent pool above the reels. The pool only applies to a spin's total win when a new multiplier symbol appears on that spin. It never resets, so it can grow up to 500x across the entire round.
What are the three Bonus Buy costs and what do they include?
Standard Free Spins cost 100x the bet with no starting pool. The 300x option starts you with a 50x multiplier pool. The 500x option gives a 100x starting pool. All three maintain the slot's high RTP.
How many scatters are needed to trigger and retrigger Free Spins?
You need 4 or more scatters to trigger the initial 15 Free Spins. Landing 4, 5, or 6 scatters also pays 3x, 5x, or 100x your bet as a direct award. During the round, 3 or more scatters retrigger an additional 5 spins.
What changed from Bonanza Billion to Bonanza Trillion?
Multiplier symbols now reach 500x instead of the original 100x cap. Two new Bonus Buy tiers with pre-loaded multiplier pools were added. The Free Spins round now uses a persistent multiplier pool mechanic instead of applying multipliers directly to individual wins.
Does the Chance X2 ante bet affect the RTP?
No. Activating Chance X2 costs 25% extra on each bet but maintains the same 97.17% RTP. It only increases your probability of triggering the Free Spins feature naturally.