Enter the Great Hall of Spins in Thunderstruck II by Microgaming
Thunderstruck II slot logo Five sequential activations of the special feature unlock a bonus game. There are four different options, each awarding free spins plus an additional bonus feature: x5 multiplier (Valkyrie), extra spins (Loki), random Wilds (Odin), or Rolling Reels with multipliers (Thor).
Collect Properties in Monopoly Megaways by Big Time Gaming
Monopoly Megaways slot logo After each payout, Mr. Monopoly starts moving around the Monopoly board to provide opportunities for acquiring properties and building houses. These will prove invaluable during the free spins bonus round as they’ll either award additional spins or increase the multiplier.
Spin Wheels in Quick Hit Super Wheel Wild Red by Bally
Quick Hit Super Wheel Wild Red slot logo The Super Wheel Bonus awards a spin of the outer wheel and a chance to win one of four features – a bet multiplier plus triggering symbols transformed into Wilds, instant cash wins, free spins with multipliers, or free games with sticky Wilds.
Build Castles in Castle Builder II by Microgaming
Castle Builder II slot logo This is one of the most unusual free online slot machines with bonus games no download options. Land identical building materials to create building blocks and construct a castle. The better your castle, the more admirers your prince or princess will have to choose from. Each brings a dowry of a different value to their new spouse.
Play Successive Bonus Rounds in Reel Crime: Art Heist by Rival
Reel Crime: Art Heist slot logo While progressing through the different stages, you’ll play different bonus rounds – select the painting (pick & click), choose tools (land 3+ thieves), escape the police (symbol combos advancing your vehicle or the police car), prove that the painting isn’t forged (pick & click) and avoid getting caught.
||RTP % (return to player)
||Big Time Gaming
||Quick Hit Super Wheel Wild Red
||Castle Builder II
||Reel Crime: Art Heist