Iron Man Slot Machine Free

The Iron Man 2 slot machine from Playtech is part of their Marvel series which includes Hulk, X-Men, Fantastic 4, Elektra and more. I play Iron Man 2 along with Fantastic 4 far more than the others in the series to be honest: not a reat fan of Elekra, Blade or X-Men myself. Like the Gladiator slot (also by Playtech) Iron Man 2 is an 'online only' slot machine. Most of the slot machines at GSM can be found in land-based casinos but every now and then a really good online game comes along and this one is one of those.
Although the concept of an 'increasing multiplier' was first seen in the feature of Cleopatra 2, the sequel to the immensely popular Cleopatra slot machine, Playtech took the idea and added it into Iron Man 2 along with an extra 'sticky' wild symbol. Thus, it's the free spin feature that drives the Iron Man 2 slot machine - as it does in so many slots these days.
You get the feature by getting 3 (or more) Iron Man 2 logo symbols anywhere in view, similar to slot games like the aforementioned Cleopatra and Novomatic slots I play regularly like Dolphins Pearl and the popular Book Of Ra slot machine. However, the Iron Man 2 slot isn't as volatile as either of those latter two and when you throw stacked symbols into the mix you get a pretty decent balance between extended game time and the possibility of winning something half-decent. Overall, it's a really, really good fun game with good potential - had some good hits myself on Iron Man 2.
I digress, so back to the feature. The 3 scatters trigger 10 free spins with the 'increasing multiplier'. In Iron Man 2, the multiplier starts at 2x and every 2 spins increases by x1 up to 6x for the last 2 spins. The wild symbol on reel 3 becomes a sticky wild in the center position for the duration of the spins while the wilds remain intact on the other 4 reels during the feature. The only slightly disappointing aspect of the Iron Man 2 slot machine is that you can't retrigger the free spin feature. In every other respect it's an excellent game.
Just a final thought: I find it quite interesting that this 'new generation' of slot machines like Iron Man 2 and Gladiator manage to offer great eye-candy along with decent gameplay and yet really dated games like Aristocrat's Where's The Gold slot machine and IGT's Wheel of Fortune still hold a wide appeal. Obviously this is largely down to the fact the latter games are well-known in land-based casinos but even online, the golden oldies like Cleopatra and Pharaohs Fortune tend to attract as much, if not more, play than these new slots. Will be interesting to see what happens when America regulates online gambling and whether the habits of online casino players starts to shift.