The randomly generated cave system exists of multiple biomes containing a great number of interesting and unique obstacles to overcome. With every run comes a new challenge. Mastering your moves is necessary to survive and make it far.
The unique and randomly rewarded items keeps every run fresh. Discover their powerful combinations and come up with great strategies to help achieve your goals for each run.
A big theme within the game is discovery. When discovering new items, obstacles, or biomes you take note of these in your trusty logbook. This will help you understand both the dangers and useful tools better, as well as discover a ton of lore. Discovering the game's lore slowly helps you understand what happened to the world and what your character's role is in all this.