


Three Civilizations: Bonus Combo Slot Review
The Aztecs had a ballgame called ōllamaliztli, played with a solid rubber ball you could only hit with your hips. No hands, no feet. 🤯
High on each side wall of the court hung a stone ring, set on its edge and barely wider than the ball. Getting it through was so rare that it usually ended the game right there. 🥳
A Spanish friar wrote that whoever managed it could claim the cloaks 🧥 and jewelry of everyone watching. So when the ball went through, the crowd bolted for the exits, and the winner's buddies chased them down to collect.
Three Civilizations: Bonus Combo slot comes from Netgame, and it puts the Aztecs on one board with the Egyptians and the Chinese. At least here the winner doesn't have to chase anybody to get paid.

Gameplay
We've got ourselves quite a strange setting for this game. It looks like a volcano or an alien planet or something, and if you start scratching around the symbols, it gets even weirder. The symbols mix 3 cultures: Egyptian, Aztec, and Chinese.
The 5x4 grid (which can expand to 5x8, but I’ll get to this later) has 40 paylines, and the headline numbers are an RTPRTP stands for “Return to Player.” The RTP describes the total bet amount that a game returns to players over millions of spins, and that figure is represented by a percentage. Table games, such as Roulette, typically have higher RTPs than many slots.
RTP needs to be considered in conjunction with a game’s volatility rate. of 96.23%, medium volatility, a max multiplier of 5,000x and max win of $300,000.
Bets run from $0.20 to $60. If you play in Litecoin, you'll have to sit the game out.
At the bottom of the paytable, the Q and J symbols pay 2x for 5, 0.5x for 4 and 0.1x for 3. The A and K symbols pay 4x, 1x and 0.1x, and so do the Pagoda, Headdress, Firecrackers and Ankh.
The Sphinx pays 5x, 1.25x and 0.25x, and the Step Pyramid leads the regular symbols at 6.25x, 2x and 0.25x.
The Wild lands on all reels and in stacks, and it subs for everything except Pay Scatters. It also pays on its own: 7.5x for 5, 2.5x for 4 and 0.3x for 3, which makes it the best-paying symbol in the game.
To the left of the screen are fixed jackpots: Mini pays 10x, Minor pays 50x, Major pays 500x and the Grand Jackpot pays 2,000x. They come on Pay Scatters, and the Grand Jackpot is only available during the Rapid Link Bonus.

Features
HOLD AND WIN:
Red, Green and Yellow Pay Scatters land in the base game and fly up into their matching spheres above the reels: Red to EXTRA, Green to HYPER, Yellow to ULTRA.
Any one of them can trigger its bonus on the spot, and the rules say stockpiling them over time doesn't help.
Land 4 or more Pay Scatters and a trigger is guaranteed. The colors of the Pay Scatters that set it off decide which bonus you get, and the game calls the round the Rapid Link Bonus, but to you and me, it’s a Hold and WinThis feature plays out on a new screen. Typically, you get 3 re-spins (which could be re-triggered), and the triggering symbols usually stick to the position on which they land. Your objective is to land as many symbols as possible on the grid (you could land blank tiles, too)..
Once you're in, only Pay Scatters land. You start with 3 re-spins, and every new Pay Scatter resets the count to 3.
Apart from the Green ones, each Pay Scatter carries either a cash value (1x, 2x, 3x, 4x, 5x, 8x, 15x, 20x, 25x or 100x) or a jackpot (Mini, Minor, Major or Grand Jackpot).
The board starts as the same 5x4 as the base game, with 4 locked rows stacked above it. Rows unlock at 8, 12, 16 and 20 Pay Scatters, which grows the board to 5x8.
The round ends when the re-spins run out or every position is filled.
Extra Bonus
This modifier belongs to the red Sphere. On any re-spin, a random number of Red Pay Scatters can land anywhere, locked rows included.
Hyper Bonus
The green Sphere's modifier is built around one prize: 5x, 8x, 15x, 20x, 25x, 100x, or the Mini, Minor or Major jackpot. The Hyper Sphere shows a value while you spin in the base game, and once the round starts, Green Pay Scatters worth that prize can land.
Ultra Bonus
The orange Sphere hands out upgrades. After a re-spin, every Pay Scatter inside a random 3x3 or 2x2 area gets upgraded to the same value and turns into a Yellow Pay Scatter.
Up to 2 areas can show up in one event, but never 2 of the same size. The upgrade adds 1x, 2x, 3x, 4x, 5x, 8x, 15x, 20x or 25x.
Combo Bonuses
This is where the "Bonus Combo" in the title comes from. When Pay Scatters of more than 1 color trigger the round, the bonuses stack.
Extra Hyper, Extra Ultra and Hyper Ultra each run both of their events. The Mega Bonus runs all 3: Red additions, fixed-value Greens and the Ultra upgrades.
Only 1 event can fire per re-spin, though. So the Mega doesn't triple the action on each spin. It gives each re-spin three different ways to go your way.
Performance
This game's a grower, not a shower, but it's also a slick performer, if you catch my drift. I tested it across thousands of rounds with not one single hiccup.
Maximum Win
Apply the max multiplier 5,000x to the $60 top bet and you get the max win $300,000. The minimum bet is $0.20.
Conclusion
The slot's money is in the Rapid Link Bonus. The reels are mostly there to feed Pay Scatters to the Spheres.
The road to the max multiplier runs through a Combo Bonus, ideally the Mega. You need the board unlocked to 5x8 and filled with Pay Scatters, with Ultra upgrades stacking value and the Grand Jackpot somewhere in the mix.
The Grand on its own brings in 2,000x, which is 40% of the max multiplier, and it only exists inside the bonus.
The 96.23% RTPRTP stands for “Return to Player.” The RTP describes the total bet amount that a game returns to players over millions of spins, and that figure is represented by a percentage. Table games, such as Roulette, typically have higher RTPs than many slots.
RTP needs to be considered in conjunction with a game’s volatility rate. should stretch your sessions longer, and that helps here, because the only way into the bonus is spinning the base game, and you'll be doing plenty of that.
Balanced players are the real audience. Pick a mid-range bet, give the Spheres time, and hope 2 colors trigger together.
High-risk players chasing the Grand can push the bet toward $60, but y’all should expect full 5x8 boards to be rare. If you need a bonus on demand, look somewhere else.
Slot Details
Game Provider: Netgame
Game Type: Video Slots
PaylinesPaylines are preset lines that run across the reels, and when you land matching symbols on them, that will result in a payout. The more paylines, the more ways you can win, but also the higher your bet per spin.: 40
RTPRTP stands for “Return to Player.” The RTP describes the total bet amount that a game returns to players over millions of spins, and that figure is represented by a percentage. Table games, such as Roulette, typically have higher RTPs than many slots.
RTP needs to be considered in conjunction with a game’s volatility rate.: 96.23%
Volatility RateSlot games can have low, medium, high, or extremely high volatility rates (or a combination thereof).
The less volatile the game, the more often it should pay out, but the lower the amount, the less the payout, as this is in keeping with the risk you’re taking. Volatility rate should be considered in conjunction with a game’s RTP.: Medium
Bonus Round: Yes
Progressive: No
Free Rounds: Re-spins
Max Multiplier: 5,000x
Max Win: $300,000
Published by
BitStarz, award-winning Bitcoin Casino







