Thunderstruck is in a viking theme and is a 9 line, 5 reel video slot.  The wild symbol is Thor himself and the purple rams are the scatter symbols.  Get three scatters on any reel and you will be awarded 15 free spins where  payouts are tripled.

Play Thunderstruck free

If you run out of play money and would like to continue playing, just hit the F5 button on your keyboard or refresh your browser window.