itch.io

Featuring games with three-dimensional graphics, environments, and gameplay mechanics. Depth and perspective create immersive virtual worlds.

Things made with or for the open source 3D modeling software, Blender

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

Games that can be played alone

Products that involve or comprise source code, including programming games; does not refer to products with their own source code available, open source or not.

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