Does Planet Nine use AI?
Some background music and illustrations were made with generative AI; the rest of the puzzle game appears human-made.
AI judgment · deepseek-flash · AI-assisted · 72% confidence
Checked against Steam on Oct 28, 2026.
Production signals
Facts about who made the game and how players received it. They don't depend on AI, and they help tell a carefully made game that used some AI apart from mass-produced ones.
- haizai released 1 game on Steam in the last 12 months. 1 of their 1 game disclose AI.
- This is the developer's first game on Steam.
- 5 player reviews, 100% positive (5 user reviews).
- AI judgment of production effort risk: Low (deepseek-flash)
What the developer says
This game includes content created with generative AI during development. No content is generated live during gameplay. Music: Some background music tracks were created using music generation AI (e.g. Suno AI). Images: Some illustrations and background images were created using image generation AI. This includes works created by the developer as well as works submitted by third parties through an open call and individual commissions. For submitted works, contributors confirmed the AI tools and external assets used, their ownership of necessary rights, that no third-party rights are infringed, and that commercial use is permitted.
From the “AI Generated Content Disclosure” on the Steam store page, quoted as written. First seen by us on Oct 28, 2026.
What other sources say
| Source | Their take |
|---|---|
| Steam disclosure | AI content disclosed |
| AI judgment deepseek-flash | AI-assisted · AI scope: parts · effort risk: lowReasoningThe disclosure states some music tracks and some illustrations/backgrounds were AI-generated, while no content is generated live. The game is a single release with 5 positive reviews, showing no signs of volume production. AI covers only supporting asset types, not core gameplay. Against: Developer has only one game and few reviews, so limited track record; third-party submissions were vetted for rights, suggesting some curation effort. |
| Remove AI Slop open-source extension | Some AI (music/sound, art) |
FAQ
Does Planet Nine use AI?
Yes. Planet Nine's developer discloses AI-generated content on its Steam page. Some background music and illustrations were made with generative AI; the rest of the puzzle game appears human-made.
Is Planet Nine AI-generated?
Only partly. AI is used for parts of the game; most of it is made by the developers.
How does GameAICheck know?
We read the AI Generated Content Disclosure from the game's public Steam store page, check it daily, and show what independent curators and open-source tools say about it. Disclosures are self-reported by developers.
Is something wrong?
Developers and players can dispute or report this page. We review every message and correct mistakes.
