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When jumping over obstacles is one of the main actions, challenges, or mechanics of the game.

In the style of games made the 8-bit generation of game consoles & computers, or sometimes authentically created to run on original hardware. Common 8-Bit consoles include the Nintendo Entertainment System, Sega Master System, and the Commodore 64

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