Is Underbloom AI generated?
Underbloom discloses AI use on Steam. We haven't sorted it into parts yet.
What the developer wrote
The pixel art (the forest, the creatures, the worlds, the icons and the store images) was generated with ChatGPT image generation and then adapted by hand-written tools to the game's palette and pixel grid. The story, the dialogue and the item texts were written with the help of an AI model (Claude). The game code, including the code that makes the music and sounds at run time, was written with the help of an AI model (Claude). The game generates no AI content while you play.
Steam "AI Generated Content Disclosure" · first seen Oct 27, 2026 · last checked Oct 27, 2026
Player reports
Played Underbloom? Soon you'll be able to sign in with Steam and report what you saw in each part.
Reports from players with the game in their library will sit next to the developer's disclosure, never replace it.