10000 BC DoubleMax: Slot Overview
So, 10,000 BC—what was life like then? Without a handy time machine, we can only lean on what we can dig up online, but it’s safe to say the world looked nothing like it does today. Think ice ages, animal-skin clothing, pure survival mode, and having to come up with pretty much every essential from scratch—with almost none of the comforts we take for granted. Hungry? You had to hunt. Cold? You figured out fire. Bored? No internet, kid; you’d better invent a game or find something else to do.
That inventive vibe is exactly where 10000 BC DoubleMax by software designer 4ThePlayer comes in. This prehistoric-themed slot combines two major mechanics from partner studio Yggdrasil Gaming—GigaBlox and DoubleMax. Each has proven seriously effective on its own, so seeing them paired together (for the first time, it’s worth noting) was an intriguing idea. To frame this “first,” 4ThePlayer has built a vibrant, colourful take on the distant past. It brought to mind 90k Yeti Gigablox, another bright GigaBlox title, and it definitely raised interest in how these two features would interact.

Before jumping in, you’ll need to choose a stake of 20 p/c $/€100 and decide if you want to enable the Golden Bet. Golden Bet increases the stake by 25% while doubling the chance of triggering free spins. Built on a medium-high volatile model with an RTP of 96%, 10000 BC DoubleMax runs on a 5×5 game grid with 50 fixed paylines.
In keeping with the rest of 10000 BC DoubleMax, the pay symbols are bold and colourful. Low-value icons are 10-A card ranks, while the premium set features a bear, wolf, woolly rhino, saber tooth tiger, and woolly mammoth. A 5-of-a-kind pays 0.3 to 0.35 times the bet with royals or 0.4 to 1.5 times the bet with premium symbols. The campfire acts as the wild, replacing any standard pay symbol.
10000 BC DoubleMax: Slot Features

Alongside the GigaBlox and DoubleMax mechanics, 10000 BC DoubleMax also includes Mammoth Explode, Mammoth Shuffle, and free spins.
GigaBlox
GigaBlox are merged symbols that form oversized blocks on the grid. For calculating wins, each GigaBlox counts as the individual 1×1 symbols it’s made from.
DoubleMax
Whenever winning symbols land, they are removed from the reels, allowing new symbols to fall into the empty spaces. Each time this happens, a wild is placed onto the grid before the gaps are refilled. There’s more: with DoubleMax, every win doubles the win multiplier. In the base game, once the winning sequence ends, the win multiplier is reset for the next spin. In free spins, the win multiplier stays in place until the feature finishes.
Mammoth Explode
On random losing spins, the Mammoth can crash into the reels and destroy symbols. This makes symbols drop to fill the spaces and guaranteeing a win. When this triggers, the win multiplier also increases.
Mammoth Shuffle
On a random losing spin where a large GigaBlox reel lands on the far-right reel, the Mammoth may slam the reels and pushing the GigaBlox reel over to the far-left position, guaranteeing a win. During the following respins, the GigaBlox reel moves one reel at a time back to the right.
Free Spins
Hit at least 3 free spins scatter symbols to activate free spins. In free spins, the win multiplier does not reset, and Mammoth-related features are more likely to trigger. If you want to purchase free spins, it costs 100 times the bet.

10000 BC DoubleMax: Slot Verdict
4ThePlayer is clearly a creative outfit, and they don’t seem interested in pumping out generic, copy-paste slots. Earlier experimental releases include 10x Rewind, 60 Second Heist, and 9K Kong in Vegas, to name a few. If you’re looking for something genuinely new, 10000 BC DoubleMax fits the bill. It’s a “world first” that unites two well-known slot mechanics and gives both room to perform. Of the pair, DoubleMax was the feature that stole the show during testing. No shade on what GigaBlox brings, but tearing through a bonus with huge multipliers stacking up is hard to beat.
In fact, the first bonus round of the session delivered the kind of multipliers that can turn even a modest royal-symbol hit into a standout payout. On that front, 10000 BC DoubleMax sits comfortably among the stronger DoubleMax slots. It might not knock Raptor DoubleMax off its perch, but it’s certainly in the conversation. The best part is that 4ThePlayer didn’t just bolt the two mechanics together and stop there. To keep DoubleMax from completely overshadowing GigaBlox, the game smartly adds the two Mammoth features—Mammoth Explode and Mammoth Shuffle. When they appear, they can be a lot of fun, since both guarantee a win while putting extra emphasis on the GigaBlox side of 10000 BC DoubleMax.
Overall, what could have become a messy pile-up of features (or a gimmick fest) ends up as an enjoyable blend of two powerful mechanics. Add in a 10,000x the bet maximum win, striking visuals, genuinely inventive play, and a setup you won’t find elsewhere, and 10000 BC DoubleMax feels like a quintessential 4ThePlayer release.
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Provider4ThePlayer
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RTP96.0% | 94.0% | 90.5% | 90.0%
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VolatilityLow
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Reels5
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Rows5
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Paylines50
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Min/Max Bet0.10/10
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Max Win10,000x
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Release DateAugust 10, 2023