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If you’ve played games from Crazy Tooth Studio before, you already know they don’t do “standard.” They love tinkering with math models and unconventional grid mechanics, and Tower of Atlantis is a prime example. This is a game with a split personality: a base game whose paytable is kept almost flat, and a bonus round that throws the rulebook out the window for a high-tension climb to a 5,000x jackpot.
The Base Game: Flat Paytables and Floating Bubbles
The harsh truth first: the base game paytable in Tower of Atlantis is deliberately, almost painfully, flat.
Played across a 5×4 grid with 63 fixed paylines, the symbols are split into two strict tiers. The top premium symbols pay exactly twice what the low-paying symbols do, and a 5-of-a-kind of the highest symbol pays out a measly 0.64x your bet. Yes, you read that right. No single natural payline in this game will even cover the cost of your spin.
To keep your bankroll afloat, you absolutely need volume. You’re looking for multiple lines triggering at once, and to do that, you have to rely on the Floating Wilds.
These wilds appear as bubbles that drift onto the grid. Every spin, they rise one row, giving you a few spins of utility before they float off the top of the board. The mechanic feels a bit like ELK Studios’ classic Wild Toro, but with a problem: because they move vertically rather than horizontally, they often float through empty space if reels one and two don’t line up.
Over my 25 base spins, every single base game win relied heavily on these bubbles. My best base game hit was a modest 1.36x return when a wild on reel one managed to connect 17 lines of ‘K’ symbols. You can also land Wild Multiplier symbols (2X to 5X) on reels two to four, and randomly trigger Poseidon Spins (which add climbing multipliers and respins), though the latter proved quite elusive during my session.
The Mega Climb Bonus: Dodging Skulls
If the base game is just a vehicle to deliver scatters, the Mega Climb Bonus is the actual destination.
You trigger the feature by landing three or more Scatter “pods” in the special row beneath the grid. The number of triggering pods determines how many reels are active in the bonus. Once triggered, the game abandons the base game grid entirely, shifting to an underwater seaweed board and a towering prize ladder.
This is where Tower of Atlantis gets genuinely exciting. Standard symbols are gone. Instead, the reels only drop credit prizes (ranging from 0.20x to 6.64x) and special modifiers.
Your main goal is to land Advance symbols. Each one moves you a rung up the prize tower, which offers multipliers of 2x, 3x, and 5x, followed by a Variable Multiplier (up to 31x), a Minor Prize (140x, which Prize Increase symbols can push to 217x), and finally the Grand Prize of 5,000x. At the end of every spin, any credit prizes on the board are boosted by your currently lit tier.
But there’s a snag, and it’s a stressful one: The Skulls.
Whenever a Skull symbol lands, it completely disables that reel. The bonus only ends when all your active reels have been killed by Skulls. You can land Restore symbols to bring a dead reel back to life, creating a brilliant tug-of-war survival mechanic.
The tension here is fantastic. You’re desperately hoping your Advances outpace the Skulls so you can reach the 3x or 5x tiers where the credit prizes actually start to matter.
If you are a feature-chaser who loves high-stakes survival bonuses with genuine tension, the Mega Climb feature is incredibly well-designed. Just make sure you manage your bankroll carefully, those Skulls take no prisoners.
