Boot up the old console and drop into a pixel world where dinosaurs guard mystery blocks on every platform. The mystery blocks hide coins, Wilds, Wild Multipliers, and Scatters. The Scatter is the prize, because it starts 8 Extinction Spins with every reel live. Jumpasaurs! is a medium-high volatility, fixed-payline slot from Hacksaw Gaming. Only 1 to 3 reels activate on each base spin, and Mystery symbols reveal their prizes only on those active reels. Each extra scatter adds 2 more spins to the round. Extinction Spins carries the ceiling of 10,000x your stake. Here is how you play.
Pick a stake and spin the 5x5 grid.
Watch as 1 to 3 reels activate on each base-game spin.
Land 3 or more matching symbols on an active payline, starting from the leftmost reel, for a line win.
Look for Mystery symbols on activated reels, which can reveal coins, Wilds, Wild Multipliers, or Scatters.
Reveal a Scatter from a Mystery symbol to trigger 8 Extinction Spins, where all reels are active.
A Bonus Buy option is available for 100x your stake, granting direct entry to Extinction Spins.
Extinction Spins: This bonus round awards 8 spins when a scatter is revealed from a mystery symbol in the base game. All reels are activated during this round, and extra scatters award 2 more spins.
Mystery Symbols: These symbols do not pay directly but reveal a coin, wild, wild multiplier, or scatter when they land on an activated reel.
Activated Reels: On each base spin, only 1 to 3 reels are active, and mystery symbols on these reels can reveal prizes or features.
Extinction Spins (scatter from a mystery symbol): It awards 8 spins. All reels are activated, and extra scatters award 2 more spins.
Extinction Spins (Bonus Buy for 100x stake): This grants direct entry to the Extinction Spins round.
The RTP is 94% on Acebet.cc.
Volatility is medium-high, rated 4/6 by the provider.
It has a maximum win of 10,000x your stake. This cap is mainly achieved through the Extinction Spins bonus round, where all reels are active and mystery symbols can reveal coins, wilds, and wild multipliers.
It has 19 fixed paylines. Wins form left to right from the leftmost reel.
| Symbol | Top pay |
|---|---|
| 7s | 100x |
| Wild | 150x |
| Bell | 100x |
| Horseshoe | 100x |
| Clover | 100x |
No, there is no demo mode on Acebet.cc. Gold Coins are the free way to play it.
Yes, it has a free spins round called Extinction Spins. It triggers when a scatter is revealed from a mystery symbol in the base game, awarding 8 spins. During the round, all reels are activated, and extra scatters award 2 more spins. Acebet.cc's welcome bonus can be used on Jumpasaurs!.
Yes, it has bonus games. Extinction Spins awards 8 spins when a scatter is revealed from a mystery symbol. A Bonus Buy is available for 100x your stake, granting direct entry to Extinction Spins.
On each base game spin, Jumpasaurs! activates 1 to 3 reels, highlighted by a marker below the grid. Mystery symbols that land on these active reels can reveal a coin, a wild, a wild multiplier, or a scatter. Coins pay immediately, with bronze coins valued from 1x to 8x, silver from 10x to 50x, and gold coins at 100x the stake. Wild multipliers can appear with values from 2x to 20x, and if multiple multipliers contribute to a win, their values are added together.
Yes. New players get 10 SC free at signup with code ACEBET, no purchase necessary, plus a 200% bonus on a first Gold Coin purchase up to 10 SC. Bonus SC carries a 1x playthrough before it can be redeemed. Both can be played on Jumpasaurs!. Claim the no deposit social casino bonus. You must be 18 or older, and eligibility depends on where you play from.
It is a medium-high volatility slot with a ceiling of 10,000x your stake. The core mechanic is Activated Reels, where 1 to 3 reels are active on each base spin, and Mystery Symbols on those reels can reveal prizes or features. A Bonus Buy option is available for 100x the stake, providing direct entry to the Extinction Spins bonus round. This allows players to access the main feature without waiting for a scatter to be revealed. Acebet.cc's crash casino is the same tension with a cash out button.
Matching symbols must land left to right from the first reel on a fixed payline. At least 3 matching symbols are needed for a line win.
On activated reels, mystery symbols reveal coins, wilds, wild multipliers, or scatters. The coins can award values from 1x to 100x the stake.
A scatter symbol revealed by a mystery symbol in the base game triggers the Extinction Spins bonus round. It awards 8 spins.
Yes, a Bonus Buy option is available for 100x the stake. This provides direct entry to the Extinction Spins bonus round.
Here are more retro slots from the full social casino slots library on Acebet.cc.
RTP and volatility are set by the provider and subject to change. The figures above were accurate at publication. The in-game paytable always shows what the build is running right now.
| Game | User | Play Amount | Multiplier | Profit |
|---|---|---|---|---|
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