- The lower value symbols are glowing orbs in different formations
- A blue orb pays 1.5x your stake for 5 on a payline.
- A green orb with a flattened side pays 1.5x your stake for 5 on a payline.
- A trio of yellow orbs pays 3x your stake for 5 on a payline.
- For red orbs pay 3.75x your stake for 5 on a payline.
- The higher value symbols are four cosmic portals.
- The black portal pays 6.25x your stake for 5 on a payline.
- The green portal pays 10x your stake for 5 on a payline.
- The yellow portal pays 25x your stake for 5 on a payline.
- The red portal pays 75x your stake for 5 on a payline.
- The wild can appear as a regular wild or a sticky wild that both substitute for any symbol, except the bonus symbols. Both wilds pay 75x your stake for 5 on a payline.
- There are four different bonus symbols, each of which triggers a unique feature.
Sticky wild respins
If Sticky Wild symbols appear on the reels, they will trigger a respin, the symbols will stay on the reels for the duration of the respin and the process will repeat if sticky wilds continue to appear.
Sticky wild bonus
If 3 sticky wild bonus symbols appear on the reels, you will receive 6 free spins and any sticky wilds that appear on the reels will remain in place for the duration of the free spins. Sticky wilds will not trigger respins while this feature is active.
Stacked wild bonus
If you land 3 stacked wild bonus symbols on the reels, the game will award you between 6 and 9 free spins. All reels will feature stacked wilds for the duration of the free spins.
Rising multiplier bonus
3 rising multiplier bonus symbols appearing on the reels will give you 6 free spins and a multiplier trail of 2x, 3x, 4x, 5x, 8x, and 10x your bet that goes up with each free spin.
When 3 multiplier bonus symbols appear on the reels you will get 6 to 9 free spins with a 5x multiplier.
Stellar Portals slot condenses the limitless mystery of space down into a feature-packed experience. The game's strength lies in the variety of features it offers that give you multiple winning possibilities. With a sticky wild respin feature and four further bonus possibilities up for grabs, the gameplay is brimming with varied potential. Smaller wins do land frequently but getting to the more lucrative features may take up quite a bit of your time.
The theme of the slot will certainly delight space and sci-fi buffs, but it may not be as entertaining for fans of more terrestrial fare.