Outlaw Slot by Big Time Gaming

Two full-reel wilds ride through the base game, a Sheriff and an Outlaw, and they only turn up on the four middle reels, each covering a whole column when it lands and standing in for the paying symbols. Those symbols come from a Day-of-the-Dead cast set against a red-rock desert at sunset, dry grass and cacti under a burnt-orange sky: a purple sugar-skull calavera on top, then a red rose, a blue potion bottle and a green cactus flower. It's a six-reel Megaways game running up to seven symbols per reel, so the way-count swings hard from spin to spin, topping out at 117,649.

The other base symbol worth tracking is the Wild Ladder. Any win it joins gets multiplied by the figure it currently shows, and every time it helps pay, that figure steps up a rung, reaching x77 in the standard bonus and as high as x777 in the enhanced one.

Three or more Silver Scatters trigger the free spins, with 3, 4 or 5 of them adding 4, 6 or 8 spins, and then you pick your round. Fallen Angel gives 7 spins built on guaranteed sticky wilds: one low card from Ace down to Nine becomes the Sticky Wild for the middle reels, and the instant one lands in a reel, that reel's height locks for the rest of the round. Fill an entire reel with them and you get 3 more spins. Dizzy in the Head instead runs 8 spins wrapped around that climbing ladder and its x77 cap. The enhanced editions push further, Fallen Angel revealing a second sticky wild off a premium symbol and Dizzy in the Head lifting the ladder to x777, which is where the 64,400x top payout usually comes from.

Reaching enhanced comes down to reel 6. The normal Scatters land on reels 1 through 5, but a Megascatter shows up only on that last reel, and folding one into your trigger upgrades whichever mode you chose. Rather not wait it out, you can buy the feature directly, with Feature Drop symbols on the reels shaving the price down before you commit.