Mermaid Seas by KA Gaming offers RTP 96%, medium volatility, and a 3-4 layout. The betting range runs from 0.4 to 4800 USD, with 60 paylines and a top win of 18x, and a hit frequency of 30.38. Theming is conveyed through a palette of sky blue, sand color, bubbles, brown, violet, and white elements consistent with a water world setting.

Mechanically, the game features Free Spins, Scatter symbols, Bonus symbols, Wilds, and Substitution Symbols. RTP is the indicative average return over time. Wilds substitute to complete winning combinations. That said, the combination of Free Spins and substitution mechanics generally extends win potential without increasing the stake. The visual motif pairs sky blue and sand tones with sea life such as mermaids, dolphins, octopus, and sharks to maintain a cohesive ocean theme. Play momentum is generally steady, with symbol interactions producing frequent small wins and occasional larger outcomes during bonus rounds. Additionally, scatter and bonus triggers typically influence the cadence of play.

In sum, Mermaid Seas presents a mid-variance experience with a multi-symbol feature set and substitution mechanics.