Rainbow Odyssey

Rainbow Odyssey by Spinomenal is a 5x4 slot machine with 20 paylines and a rainbow-themed design built around bright symbols and bonus features. The game includes a re-spin expanding wild, extra wilds, a buy feature, and a free spins round that can award up to 50 free spins. The listed RTP varies by version, with figures from 89.53% to 95.78%.

A demo version is available for players who want to play for free and practice before playing for real money. This makes it possible to review the slot’s structure, paying lines, and bonus game features before placing any stakes. The game is described as supporting mobile devices and multiple languages, including English, Russian, French, Spanish, German, and Portuguese.

Themed around a journey through colour and gold, Rainbow Odyssey presents the standard slot format alongside special symbols designed to trigger additional features. Its core mechanics focus on expanding wilds and free spins, giving the player a clear view of how the bonus rounds work in the demo version.