itch.io

Games that try to simulate real-world activities (like driving vehicles or living the life of someone else) with as much realism as possible. Simulators generally require more study and orientation than arcade games, and the best simulators are also educational.

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

Stripping back the unnecessary and focusing on the essential. Minimalist games often rely on simple graphics, basic colors, and straightforward mechanics to convey their core gameplay experience. They often prioritize gameplay and user interaction over complex narratives or detailed graphics, providing a refined and uncluttered experience. They may feature limited interfaces, reduced controls, or a focus on a single mechanic or concept.

Unity is a game engine for 2D, 3D, AR and more