Space Stacks is an extraordinary slot that offers thrill-seeking players spinning action to look forward to. This title is far from standard, and its unique look and bonus features prove it. The game has a 10×10 playing field, and players can decide whether to place bets on a single column or on all of them, made possible by Push Gaming’s innovative mechanics.
This next-generation game introduces the innovative Reelbets feature. With it, players can split their stakes among the max block, instant-win block, and prize blocks. Before they try the game, players should prepare for unique bonus action that does not include free-spin rounds. Instead, Space Stacks offers four special features that not only spice up the gameplay but also help players land more generous rewards.
With Space Stacks, players will benefit from medium volatility and wins that can reach up to 5,000x. Before they dive in, they should note that each block has its own RTP, ranging between 96.09% and 96.39%.
| Space Stacks Slot Summary | |
|---|---|
| Software Provider | Push Gaming |
| Payline Number | N/A |
| RTP | 96.23% |
| Minimum Bet | $0.01 |
| Maximum Bet | $100 |
| Wild Symbol | N/A |
| Scatter Symbol | N/A |
| Bonus Features | Apex, Flip, and Astro bonus games |
| Jackpot | 5,000 |
Symbols and Winning Combinations of Space Stacks Slot
When players want to place a bet, they must select their preferred denomination and assign it to the desired block or blocks by clicking or tapping on them. Reel spinners can increase the amount staked per block by clicking or tapping until they reach the maximum for the selected bet type. While adjusting their bets, players can distribute their stake evenly between the columns or wager different amounts on each column.
In Space Stacks, players will not find traditional paylines that require a preset number of matching symbols. Instead, wins are awarded whenever a reel on which a bet has been placed is filled with identical symbols.
Wins are paid only for filled columns that have an active bet. If a column is filled with symbols but no bet was placed on it, no payout is awarded. To start a game round, players must stake at least 1 credit.
The total number of icons that can pop up on the reels is 11, and players should expect to see three feature blocks, one max instant-prize block, and six regular instant-prize blocks. At the start of each round, each of the six instant-prize blocks receives a randomly chosen multiplier value.
As the name suggests, the max instant-prize block is the most rewarding icon in the game, awarding the largest possible win of 5,000x the bet amount.
The instant-prize blocks come with varying minimum and average payouts, and their prize values include 2x, 3x, 5x, 10x, and 50x. The RTPs of the instant-prize blocks also differ, ranging between 96.13% and 96.39%.
The three feature blocks that can appear are Astro, Apex, and Flip. The average payout of the Apex feature block is the highest and stands at 299.34x the bet amount. Next in line is the Flip symbol, with an average payout of 64.14x. The Astro symbol averages 34.23x the stake per round.
Bonus Features of Space Stacks Slot
Players never know what rewards await them on the different planets, but they can spin their way to generous prizes and engaging special features.
While searching the galaxy for big wins, slot buffs can trigger three special features. When the Astro feature is unlocked, reel spinners are presented with a prize wheel that contains 32 segments. The wheel’s sectors include bet multipliers and instant collect prizes. A collect segment is also present, and if the wheel lands on it, the feature ends and the player’s winnings are calculated.
When the Flip feature begins, slot buffs see a new 6×6 playing field with selectable prize tiles. The icons that can be revealed include instant prizes and rocket symbols, and players may select three of the available tiles.
If players uncover a rocket symbol, they receive a 2x win multiplier. Additional rocket symbols can boost the total multiplier to 5x, 10x, and eventually 100x. Even better, revealing a rocket symbol does not reduce the remaining number of picks.
Within the Apex feature, players engage in a stacking game in which all six instant-prize blocks are active, but with new initial values of 2x, 3x, 5x, 7x, 10x, and 20x.
After the Apex feature is triggered, the Enhancement feature also activates. Once it starts, symbols begin falling to fill the columns. As soon as two columns are filled, players receive three lives. The lives counter resets to three each time a symbol lands, and one life is deducted when no symbols appear. The feature ends when all columns are filled, even if lives remain.
The Enhancement feature is active only for instant-prize blocks and not the max block, and while it runs, the values of one or more instant-prize blocks can increase.
The possible enhancements are displayed in gray prior to the beginning of each game round and they might include multiplier values and additional values. Available multipliers are 2x, 3x, 5x, 10x, 25x, 50x, and 100x. The additional values are even more eye-catching: +2, +3, +5, +10, +25, +50, +100, +250, +500, and +1,000.
Our Verdict
Space Stacks delivers gameplay unlike regular spinning action. It features the brand-new and unique Reelbets feature, which allows players to select the blocks they wish to bet on. Additionally, the game has several extras that will not only keep players glued to their screens but will also give them the chance to claim great prizes.