Well a lot of the more well-known games have already been mentioned, so I though to recommend lesser-known ones, by publisher:
Nintendo - Good Job!, Part Time UFO, Sushi Striker: The Way of Sushido
Square Enix - SaGa: Scarlet Grace - Ambitions, Chocobo's Mystery Dungeon: Every Buddy!, Forgotton Anne
XSEED Games - Freedom Planet, Shantae: Half-Genie Hero - Ultimate Edition, Sakuna: Of Rice and Ruin
Playism - Record of Lodoss War: Deedlit in Wonder Labyrinth, Kero Blaster, Gnosia
Chucklefish - Wargroove, Eastward, Timespinner
Bandai Namco Games - Taiko no Tatsujin: Drum 'n' Fun!, Doraemon: Story of Seasons, Mr. Driller: Drill Land
NIS America - R-Type Final 2, The Alliance Alive HD Remastered, The Liar Princess and the Blind Prince
Supergiant Games - Hades, Bastion, Transistor
DotEmu - Streets of Rage 4, Another World, Ys Origin
tinyBuild - The Final Station, Phantom Trigger, Mr. Shifty
DANGEN Entertainment - Bug Fables: The Everlasting Sapling, The TakeOver, Momodora: Reverie Under the Moonlight
Devolver Digital - The Messenger, Katana ZERO, Enter the Gungeon
ININ Games - The Ninja Saviors: Return of the Warriors, Cotton Reboot!, Wonder Boy: Asha in Monster World
Shin'en - Art of Balance, The Touryst, Fast RMX
Nicalis - Cave Story +, Ittle Dew 2+, Tiny Barbarian DX
PQube - Nexomon: Extinction, Cat Quest, Aggelos
Team17 - Monster Sanctuary, Worms W.M.D, Overcooked!: Special Edition
Flyhigh Works - Implosion - Never Lose Hope, OPUS: The Day We Found Earth, Kamiko
Inti Creates - Blaster Master Zero, Bloodstained: Curse of the Moon, Mighty Gunvolt Burst
Annapurna Interactive - Gorogoa, Sayonara Wild Hearts, Donut County
FDG Entertainment - Monster Boy and the Cursed Kingdom, Blossom Tales: The Sleeping King, Oceanhorn: Monster of Uncharted Seas
505 Games - Indivisible, ABZU, Portal Knights
Humble Games - Wandersong, Forager, Wizard of Legend
Rising Star Games - Deadly Premonition Origins, Lumo, SUPERBEAT: XONiC
Tomorrow Corporation - Little Inferno, Human Resource Machine, World of Goo