Undine's Deep game by Endorphina will take you to the deep ocean where charming mermaid Undine all together with other sea creatures dwell. The illusion of the ocean is just perfect, soothing music, slowly moving seagrass, seahorses, and crystal clear water tempting for a dive. Among the symbols on the reels, you can find Seastar symbol, Seahorse symbol, Gold fish symbol, Jellyfish symbol, Seashell symbol, and Playcard symbols. The symbol featuring mermaid Undine is Scatter, two Scatters on the paytable trigger pays payout, three or more Scatter symbols trigger Free games. During Free games, all prizes are multiplied by X3. Free games can be won again during the feature. The Gold fish represents Wild, it can substitute all symbols except Scatter and doubles the win when substituing.