Avengers slot which is very diverse and offers multiple free spin features. This feature is where the big wins come in - if you can get a good symbol and 4 or 5 of them then the payouts can behuge. I've played both, book Of Ra and another of Novomatic's cult slot machines. This also gives you access to "Spring Break "Summertime" and "Ladies Nite" which are exactly the same as the Thunderstruck slot in terms of features, but with different skins. The Book of Ra slot's USP is (was!) it's "expanding scatter" feature. Both of the Thunderstruck slots are good for different reasons in fact and both are available in free-play here at m along with some other popular MG slot games such. Another of Playtech's games, this time from their. Deal Or No Deal game and IGT's, wheel Of Fortune slot, will have that type of bonus feature game. Check it out at m or play the original 9-line version on GFM's. Before you head off to (hopefully!) play the games, I'd just like to point you at a useful 3rd-Party website that I maintain that you might find very useful if you intend playing slot games for real money at some point. The " A-Z " website contains a sortable online casinos list comprising safe and reputable places to play these slot games for real. I am gradually expanding the, games Slot Machines website with new games as and when I find one that interests. Pharaoh's Fortune slot machine which is available to play online now, while Europeans will probably also want to check out the online version of Novomatic's. The great thing about the Thunderstruck slot - and kudos to Microgaming MG for getting this right - is that it strikes a perfect balance of entertainment and big wins. Power Stars slot then you should also try playing.