A bullethell adventure awaits! Join Jack, a reluctant hero, as he battles bizarre enemies, uncovers secrets, meets quirky characters—and hunts down Death’s missing coffee mug.
A Hand-Crafted Halloween World Step into a bullethell adventure! The world of Grumpy Jack is brought to life in rich, detailed 2D animation, filled with strange creatures, forgotten corners, and unexpected charm. Every area feels unique, with something new to learn or stumble into around each bend.
You’ll meet quirky characters, unlock a wide range of skills, and piece together a story full of dry humor and odd surprises. Whether you're solving a puzzle, dodging a trap, or helping a skeleton with a strange request, there's always something weird and worth chasing. If you like classic top-down gameplay, oddball adventures, and a world that doesn’t take itself too seriously, Grumpy Jack is ready to welcome you in.
Features Explore a large, interconnected world with Metroidvania-style progression Top-down bullethell action Learn and master a wide variety of skills A humorous story full of odd surprises and bizarre characters Five difficulty modes, from relaxed to relentless Hand-drawn 2D art and animation in a unique Halloween-inspired setting
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