UFO

UFO by KA Gaming features a 5-reel slot with varying row configurations across sources, typically 3 or 4 rows, and 50 fixed paylines. Gameplay centers on matching symbols like blue, purple, and green aliens, UFOs, mysterious machines, alien towns, and standard card royals (A, K, Q, J, 10) from left to right, with bets ranging from 0.5 to 250 coins. The Wild UFO substitutes for other symbols except Scatters to complete wins, while landing 3+ Scatter planets triggers 10 Free Spins, retriggerable once for 5 more, during which Wilds become sticky and remain in position for the duration. Visual style evokes a space theme with alien characters, ray guns, planets, cosmic portals, and dark blue cartoonish graphics that animate on wins. It stands out through its sticky Wilds in Free Spins, providing sustained win potential without Cascading Reels or complex modifiers, alongside a 31-34.92% hit frequency suited to medium volatility. Released in 2018 using JS and HTML5, it offers straightforward mechanics with RTP around 95-96%, emphasizing reliable bonus activation over innovative layouts.