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Portal Master Review
This game seems to draw inspiration from similar titles, focusing on an energy sphere collection feature. The developer aims for uniqueness, but the quality of the game might be debatable.
With a low risk/reward profile, this game seems geared towards a specific audience. While it offers the use of stored energy spheres to transform symbols, it lacks true innovation. Ultimately, it revolves around expanding wilds that appear on more reels during the bonus round, but a niche market might exist for such a game.
Portal Master slot Features
The portal master is the wild symbol, appearing on the middle reel only. When she lands, the wild expands to cover the entire reel, substituting for all regular symbols to create winning combinations. An energy sphere is also awarded each time the wild appears.
The Energy Spheres look like crystals, and up to 6 can be stored in the Collection Stone on the left. These spheres can be used to transform scatters into regular symbols or saved to trade for more powerful features. There are 3 Energy Sphere levels:
- Low-level Spheres - occupy 3 slots in the Collection Stone, and can transform scatters into random regular symbols.
- Mid-level Spheres - occupy 2 slots in the Collection Stone, acquired by trading up all 3 low-level spheres. They can transform the scatter into a random symbol and create a whole 5-of-a-kind line, guaranteeing a win.
- High-level Spheres - acquired by trading up the 2 mid-level spheres, occupying only 1 slot. This sphere awards a random number of free spins.
The crystal scatters pay 30x the stake for 5 on a payline but don't trigger the bonus round. They exist solely to be transformed using the Sphere feature. The Bonus Round can only be accessed by trading up the 2 mid-level spheres for the high-level sphere.
The Free Spins feature starts automatically upon trading up, awarding a random number of spins: 10, 15, 20, or 25. Extra expanding wilds can land on reels 2 and 4 during the feature, but wilds don't award energy spheres in the bonus round. +1 extra spin is awarded per wild landed.
The 200 Spins Portal Master slot Experience
The highlight video starts with trading up for the high-level stone, awarding 15 free spins. Expanding wilds appeared occasionally, extending the bonus round.
Review Summary
It's rare to see a slot offering choices on how to use collected items. This developer experiments, but the success of this feature is uncertain. It seems there's little reason not to save for the bonus round, as a random 5OAK win is rarely worth much, let alone a single symbol transformation.
Essentially, there's an innovative way to trigger free spins, but little else is innovative. The expanding wild appears on reel 3 in the base game and on the 3 middle reels in the bonus round.
| Pros | Cons |
|---|---|
| Collect energy spheres | RTP of 95 % is well below average |
| Transform scatters or trade up | |
| Trade up to tier 3 to trigger bonus round | |
| Bonus round w/ expanding wild on 3 middle reels |
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