In a year that has been filled to the brim with Metroidvania titles, Dead Cells may be the best. A fun, challenging, yet also very rewarding adventure.
20XX is an homage to Mega Man X, but with a twist. Bringing the Roguelike and Action Platformer genres together for fun in singleplayer, or with a friend.
A 8-bit roguelike that plays similar to a RPG, perhaps it sounds better in theory. Austin Foncannon explains in this Pixel Heroes: Byte And Magic Review.