Thunder wheel is a Greek mythology themed 4-reel, 4 symbol row video slot with 256 betways. The base game features a random wild feature which can expand up to a maximum 3×3 symbol size.

Three Bonus Symbols trigger Free Spins during which a Roaming Wild is present, changing position with each spin. The Bonus symbols are collected during Free Spins and at certain thresholds the size of the Roaming Wild expand and additional Free Spins are awarded.

The Thunder Wheel feature is triggered by minimum two Thunder Wheel symbols. The Thunder Wheel consist of four rings and four Thunder Wheel symbols are required to activate all of them. The Thunder Wheel can pay up to 9999x bet!

Designed and built for mobile first, all Slotmill games are lightweight ensuring short load times and the UI is optimized for small screens. Full HD graphics, animations and sounds combined with well-balanced mathematics translate into a rich player experience.

In response to changing player preferences when it comes to gameplay, the Slotmill games have integrated an exciting feature; “Burst Mode”. Burst Mode is an enhanced auto-play with a play-through of two game rounds per second. This feature has proven immensely popular among players.

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Game Name / Release date Thunder Wheel / October 2021
Game ID thunder-wheel
Game URL “”
Game Type 4×4 Video Slot
Betways 256
RTP (%) 96,08%
Volatility (variance) Very High
Bet Levels min / max (€ $ £) 0,2 – 30
Max win; x Bet 10 000 x
Bonus Features Free Spins, Thunder Wheel
Special Symbols Wild, Bonus Symbol, Thunder Wheel Symbol
Graphics Full HD
Client size Mobile 9,2 MB / Desktop 12,4 MB
Languages DA, DE, EN, ES, ET, FI, FR, GR, JA, KO, LT, LV, NO, PT, RO, RU, SV, TH, TR, VI, ZH
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