Chilli Willie by Amatic Industries is a 5-reel slot set on a 5x3 grid with 50 fixed paylines. The game uses a Mexican desert theme with symbols including sombreros, guitars, tequila bottles, chili peppers, limes, corn, cacti, and gold coins with a skull motif. Line wins pay from left to right on adjacent reels.
The interface shows a demo version with free play options, allowing users to play for free and practice before playing for real money. Visible controls include auto spins, bet adjustment, a gamble feature, and a bonus buy option. The paytable lists 3, 4, and 5 of a kind payouts, with separate values for each themed symbol.
Chilli Willie also includes a free spins or freeplay indicator and a double-or-nothing gamble screen with red, black, or suit choices. The layout uses bright colours and large on-screen controls, with win totals and help panels displayed during play.