I have done a decent amount of hobby game dev including completing several games. The comments here i think show a strong lack of real game dev knowledge.
Coding is a hard part of game dev. Coming up with interesting novel mechanics or plays on known genres is rather easy but bringing them to life is hard esp the code. Multiplayer vampire survivors but with giant battletech mech customization. See, very easy. Good luck building that with an LLM.
This uses well known card games as the mechanics which is about as interesting as snake games. This is not a knock at the op. But it is clear many people here havent done much game dev from the comments.
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