itch.io

Role-playing games let you assume the role of a protagonist, customizing their abilities, equipment, and appearances. Through exploration, dialogue, and strategic combat, players navigate worlds, uncover lore, complete missions, and level up their characters.

Pretty sure everything is indie on itch.io but just in case you want something extra indie.

Projects that have advertised as not using generative AI their creative process.

Unreal Engine is a 3D game creation tool