HMM. I'm not gonna think too hard about this one and just rattle off everything that gives me a warm fuzzy feeling <:

Ogrebattle 64: Person of Lordly Caliber
Etrian Odyssey (especially 3)
Shiren the Wanderer (especially 1)
Mega Man (especially 3)
Pokemon HG/SS
Rabi-Ribi
Terraria
Tales of the Abyss (honourable mention: Phantasia and Symphonia)
Mega Man Battle Network (especially 2)
Kantai Collection and Granblue Fantasy, even though they are both live service games well into their twilight years
Fire Emblem (no specific game, I just like the series a lot)