Another Crab’s Treasure casts players as Kril, a hermit crab on a treasure hunt to buy back his repossessed shell. The journey takes place in a crumbling underwater world where pollution shapes both the setting and the stakes: trash is a resource, while the mysterious Gunk threatens the ocean. The result is an adventure with a playful premise and a darker environmental backdrop.
Its central twist makes discarded objects part of combat. Kril wears trash as shells to withstand attacks from much larger enemies, and the game offers more than 50 shells to try. Battles draw on soulslike-inspired challenge and Umami Techniques learned from sea creatures, including attacks modeled on the Mantis Shrimp and Bobbit Worm. Exploration ranges through kelp forests, coral reefs, sand castle cities, and deep-sea trenches, giving the shell hunt a varied undersea setting.
The game is listed as single-player, so its defining format is a solo adventure rather than a shared-world or competitive session. Adjustable difficulty and assist options let players seek a less frustrating experience, while the default game is described as a challenge for fans who want one.