HAMISH is a fast-paced action platformer that takes players on an exhilarating journey through various worlds, starting from the war-torn Highlands of Scotland. Each level presents unique challenges and environments, including low-gravity space battles, snowy peaks for snowboarding, and rain-soaked city streets. The game emphasizes momentum-based gameplay, requiring players to master various movement techniques such as wall jumps, grapples, and precision stomps to navigate through treacherous stages and evade enemies.

Players can enhance their abilities by collecting gems to purchase armor and health upgrades, as well as special items from NPCs encountered throughout the adventure. With a total of 39 main levels across 9 distinct worlds, 69 hidden challenge levels, and 7 unique boss fights, HAMISH offers a rich gameplay experience. The game features crisp pixel-art visuals and encourages exploration with achievements and secrets to uncover.