There’s plenty of content to be had already in the base game of Jupiter Hell. Even trying to complete the brutal regular game will take you many hours. But if you want something more brutally brutal then look no further than the Challenge Modes.

The Challenge Modes can be unlocked by earning Badges as you progress through the game. After completing more or less Achievements, you’ll earn a Badge. There’s three types to earn—Bronze, Silver, and Gold. Collecting certain amounts of Badges will earn you ranks, and at specific ranks, you’ll unlock more challenge modes.

Here is a list of all challenge modes and how to unlock them:

Check out some of ProGameGuides other articles on Jupiter Hell!