Slay the Spire has been my boo for the past two years on ny Switch Lite. I peck away at Celeste here and there but StS is just so damn well-made.
I have a retro handheld now but have paralysis analysis on what game to dive into there. Gotten through some of Advance Wars 2 and Fire Emblem on GBA as well as Lost Vikings on SNES; while also dabbling in Suikoden 1, a GBA Castlevania, and various platformers
Soundtrack is amazing. I have a bright green Greatest Hits copy that is sitting in a shoebox in my closet waiting to be replayed.