I have to say, the interface to Tower Stack Slide Wolf is a bit confusing, but the end result is that you can select basically between 1 and 3 frames of play, and you presumably gain an advantage when selecting 3 frames as it's easier to trigger the bonus as you have a larger screen to do so. There also exists the "Plus Factor" side bet which if activated, reel 5 will contain Wild symbols only.
You win in Tower Stack Slide Wolf by landing winning symbols on pay lines. Where things get fun is during the bonus, which is triggered by landing bonus symbols on reels 2, 3, and 4 for 8 free games. During the bonus, if a Wolf symbol lands on reel 1, it will slide to fully occupy that reel and any subsequent wolf symbols of that same type will also do so on the remaining reels. This gives you a better chance to "Fill the Screen" for that Big Win!
You can also trigger the more interesting "Golden Wolf Free Games" by landing bonus symbols on reels 2 and 3 and then also the special Golden Wolf bonus symbol on reel 4. Upon trigger, the bonus is similar to the standard bonus except now, any Wolf symbols that slide will transform into special Golden Wolf symbols, as you will see!
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