Grumpy Jack
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About Grumpy Jack
Grumpy Jack is a top-down bullethell adventure set in a hand-drawn, Halloween-inspired world. You explore interconnected areas, dodge traps and solve puzzles while learning skills and uncovering a humorous story filled with bizarre characters and odd surprises.
Explore the world
The large world has Metroidvania-style progression, with strange creatures, forgotten corners and distinct areas. As you explore, you meet quirky characters and take on unusual tasks, including helping a skeleton with a strange request.
Fight and learn
You face bullethell action and can learn and master a wide variety of skills. Five difficulty modes range from relaxed to relentless. The game features hand-drawn 2D art and animation.
Frequently asked questions
The best price for Grumpy Jack is $6.99 at Steam. It is the only shop with an offer that activates in your country.
The minimum requirements for Grumpy Jack are: Windows 7, GeForce 7600 GS, Intel Core 2 Duo E6320, 2 GB RAM, 2 GB storage. It runs on Windows only. The recommended specs are in the System requirements section.
No. Grumpy Jack is a single-player game.
Yes. Grumpy Jack is the full base game. You need nothing else to play it.
Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.
Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.











