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Studios Scale Back Public Demos Over Fears of AI Cloning
Digital Sun and Alliance Arts are scaling back public demos for upcoming games, citing fears that generative AI could help copycats clone them before launch.
Two studios have pulled back public demos in the same week, both citing fears that generative AI could be used to clone their games before they launch. Digital Sun, the team behind Moonlighter, has turned a planned public playtest of its next game into a smaller closed test, while Alliance Arts has cancelled a free Steam Next Fest demo for its anime horror game Drunken Goddess Reflux.
What happened
Digital Sun Games was preparing a public playtest for ReVamp, a "Tower Defensevania" it is developing. Game Developer reports that the studio has scaled the plan back to a more contained test run through its Discord server, starting October 29. In its announcement, the studio said it was concerned by recent reports of games being reverse-engineered, cloned and published before the originals are out. It added that "a large public build of ReVamp felt like too big a risk" while launch is still months away.
Alliance Arts made a similar call. According to Kotaku, the team cancelled the public demo that was scheduled for October 19 as part of Steam Next Fest, announcing the change in a Steam update on October 16. Instead, it will hold a closed play session with a limited number of participants. The developers argued that copies of the game could be produced quickly with AI or other tools, and that enforcing limits on streaming and sharing gameplay videos would have been impractical for a team of their size.
Key details
- Developers: Digital Sun Games (ReVamp); Alliance Arts (Drunken Goddess Reflux)
- Game context: ReVamp is a Tower Defensevania from the team behind Moonlighter. Drunken Goddess Reflux is a Russian roulette-style anime horror game with a demon.
- Drunken Goddess Reflux release: December 8 on Steam (Windows), according to Automaton Media
- Original demo plan: A free Steam Next Fest demo of about 20 minutes, scheduled for October 19, now cancelled
- Digital Sun playtest: Moved to a contained Discord test starting October 29
- Missing or unconfirmed: ReVamp's launch date and target platforms have not been announced. The size of Alliance Arts' closed session and whether a public demo will follow later are not stated. The coverage does not name a specific clone of either game.
What it means for developers
- Demos are now a risk calculation. Public builds are still one of the best ways to win wishlists, but these two studios show that a demo can also expose mechanics, art and feel to fast copying. Decide what a public build shows before you ship it.
- Closed tests can still gather feedback. Discord playtests and invite-only sessions let teams collect data and bug reports while controlling who sees the build and how widely it spreads.
- Document your original work. Keep dated builds, design notes and version history. If a copy appears, provenance records help with platform reports and any later legal steps.
- Steam Next Fest is a real cost to skip. Festival demos are a major discovery tool, so cancelling one carries a price. Weigh that against how exposed your game is before you commit.
- Mechanics are hard to protect. Game mechanics have limited copyright protection, so your strongest defense is often community, brand and a polished launch. Put marketing effort into what a copy cannot easily reproduce.
Sources
Cover image: © Digital Sun.


