Olympus Thunder Slot by Light & Wonder

Zeus is both the wild and the trigger. He substitutes for every symbol except the bonus coin, and when he lands anywhere on the middle reel he sets off the Zeus Re-Spins: reel three expands so the whole column turns wild, then three re-spins play out with that wild reel locked in place. With a full wild column sitting in the centre, those re-spins fish for matching gods across the rest of the grid. The re-spins can't be retriggered, so it's a tight three-spin burst rather than an open-ended round.

The bigger feature comes from the Olympus Bonus coin, which lands on reels two, three and four. Get all three and you move to a pick screen, choosing coins until you match three identical prizes. The match decides your free games: 5, 7, 10 or 15 spins all running a 2x multiplier, or the top result, 20 spins at 3x. Zeus Re-Spins can still fire during those free games, and the pick round can be retriggered at whatever spin count and multiplier you're currently playing, so a lucky run keeps the 3x version going.

The look is mountain-top Olympus: a 5x3 grid framed by weathered marble columns and a Greek-key border, snowy peaks rising through cloud behind it, lightning forking blue across a stern grey-bearded Zeus stamped Wild. A robed goddess medallion, a golden lyre with grapes and an amber urn fill out the premiums, with carved-stone royals below. It leans on that one expanding-reel respin rather than tumbles or ways, a clean older take on the Greek theme.