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One of the most well known indie games out there, Shovel Knight has you platforming around and using your shovel to dig your treasure and pogo on enemies. Not only that, but two of the three additional campaigns are already here with Plague Knight and Specter Knight. This game has so much replay value it's ridiculous and easily worthy of praise.
The only downsides are the high price to purchase (at $25) and the difficulty is there so some casual players may be turned off by the old school challenge.
Music from the creator's website (please consider tipping): https://virt.bandcamp.com/
Interview with one of the game's creators: https://youtu.be/VwCf-8ZTvhE
Patreon: https://www.patreon.com/steamyjimmy