Bonus mechanics in online slots provide a shortcut to activating free spins, instant wins and other rewards without having to trigger scatter symbols across the reels during regular play. The bonus buy option allows players to instantly trigger these features by paying a fixed price upfront. This lets Aussies forego waiting to trigger bonuses randomly and instead access rewarding features right away.
While all slots with bonus buys enable immediate access to in-game rewards, some titles stand out by offering exceptional value for money spent purchasing the bonus. We’ve compiled rankings of the top-rated bonus buy slots available at leading Kingmaker Casino Australia where bigger payouts can be won when you take the instant bonus route.
1. Gates of Olympus
With an RTP of 96% and medium-high volatility, Gates of Olympus from Pragmatic Play provides an exciting bonus buy feature. You can gain immediate entry into the free spins round by wagering 60-120x your bet. This presents opportunities to land huge payouts of up to 50,000x your stake as you spin the 5 reels and hunt for stacks of Zeus wilds when in the bonus.
2. Sweet Bonanza
Candy-themed Sweet Bonanza by Pragmatic Play has captured the hearts of Aussies with its tumbling reels and tempting bonus buy costing 60-100x your wager. This buys you entry into 10-100 free spins where bigger multipliers and cash prizes await. Thanks to frequent payouts and a max win capped at 21,175x your bet, the bonus round makes for a thrilling and potentially very lucrative gaming session.
3. Money Train 2
As a sequel release, Money Train 2 brings several upgrades to the original fan favorite. The iconic mining carts are back as the game’s highest paying symbol. Meanwhile, the bonus buy feature only needs 50-100x your stake to trigger free spins – cheaper than the prequel. With multiplying wilds in play, the bonus round holds insane potential, made even bigger by the slot’s high volatility.
4. Fruit Party 2
Fruit Party 2 retains the original game’s appeal while integrating modern graphics and features into the classic fruit machine format. You can instantly access free spins by wagering 60-240x your bet via the upgraded bonus buy. Combined with an RTP of 96.5%, medium volatility and a max payout of 11,898x your stake, the sequel’s bonus round serves up juicy winning potential.
5. Buffalo King Megaways
The Buffalo King series expands on the iconic Buffalo slot brand by integrating Megaways mechanics. The latest Megaways release allows instant access to free spins via bonus buy, costing 100x your wager. You can then benefit from the title’s high-win potential, including through the Buffalo King symbol which triggers unlimited free spins when landing. Combined with 117,649 ways to win, the bonus round promises epic rewards.
6. Deadwood
Offering a Wild West theme, Deadwood by Pragmatic Play combines vintage charm with innovative gameplay. Its bonus buy feature proves rewarding, costing just 20-100x your stake to trigger free spins. Thanks to extra wilds, unlimited win multipliers and Megaways mechanics, the bonus round holds insane payout potential capped at 45,986x your bet. With high-RTP and volatility plus big rewards up for grabs, Deadwood is a top bonus buy option.
7. Aztec Gems
Aztec Gems brings ancient civilization motifs to the reels while letting you forego landing scatters and instead instantly access free spins by staking 88-176x your wager. In the bonus, Sunstone symbols transform into richly rewarding wilds, made even more lucrative by win multipliers up to 10x your stake per payline. With frequent payouts and a 4096x max win attached, Aztec Gems’ bonus buy feature brings big winning potential.
8. Baron Samedi
The voodoo theme of Baron Samedi by Yggdrasil comes packed with lucrative in-game features. The bonus buy requires wagering 20-100x your stake for instant access to the free spins round. Expanding wilds then help generate big wins, boosted further by the slot’s unlimited multiplier. With medium-high volatility in play, the bonus round serves up seriously big payout potential on this innovative release.
9. Cupids Arrow
Cupids Arrow brings Ancient Greek mythology into a modern online slot format. You can gain instant access to 7 free spins complete with three kinds of arrow symbols via the bonus buy by wagering just 25-50x your bet. With an RTP of 96%, medium volatility and a 5,000x max payout attached, Cupids Arrow offers a rewarding and entertaining bonus round activated at a very affordable upfront cost.
10. Fire In The Hole XBomb
The explosive mining theme of Fire In The Hole XBomb by BGaming lets you blast your way to wins through mine shafts packed with instant rewards. Its bonus buy feature costs 100-200x your stake for direct entry into 10 free spins where XBombs (wilds), increasing multipliers and extra spins can lead to payouts up to 26,849x your bet. Combined with frequent tumbling wins, medium-high volatility and boosted odds in the bonus round, Fire In The Hole XBomb takes bonus buys to thrilling new heights.
Bonus Buy Benefits for Aussies
Bonus buy features offer a shortcut to unlocking a slot game’s most rewarding features without needing to randomly hit scatter symbols during the base game. The main benefits for Australian players include:
- Immediate access – Get right into lucrative bonus rounds faster.
- Better RTP – Bonus features boost overall RTP above base gameplay.
- Higher volatility – Free spins allow bigger individual payouts.
- More excitement – Instantly access more features and winning potential.
While bonus buy costs quickly add up, when used judiciously, they provide a shortcut to unlocking a game’s most profitable features. Savvy players should use smart bankroll management and only activate bonus buys at optimal bet sizes for maximum returns.
The top-rated bonus buy slots highlighted above have been selected based on bonus round features, volatility, RTP percentages, max payouts and overall player experience. Trying them out at leading online casinos allows Aussies to take the fast track to triggering rewarding features and winning bigger payouts when gaming.