My absolute favorite title of all time is and will always be Lunar: Silver Star Harmony on PSP.
This is a list of systems I have or have owned and my favorite game I played on them.
+Sega Genesis: Phantasy Star: IV, runner up- Gunstar Heroes
+Sega CD: Snatcher, runner up -Popful Mail
+Sega Saturn: The Legend of Oasis, runner up- Grandia
+Sega Dreamcast: Skies of Arcadia, runner up -Soulcalibur
+PSO: Castlevania: SotN, runner up Vagrant Story
+PS2: MGS2, runner up-Star Wars: Battlefront II
+PSP: Lunar: Silver Star Harmony, no runner up.
+PS3: The Last of Us, runner up- Uncharted 2
+PS Vita: Killzone: Mercenary, runner up Dragon's Crown
+PS4: Nioh, runner up- Bloodborne
+OG Xbox: Crimson Skies, runner up Halo 2
+Xbox 360: Red Dead Redemption, runner up Condemned: Criminal Origins
+Xbox One: Witcher 3: Wild Hunt, runner up- Ori and the Blind Forest
+PC: WOW, runner up -The Binding of Isaac
+Atari Lynx: Battle Wheels, runner up-Klax
+NES: Metroid, runner up Super Dodge Ball
+Gameboy: The Legend of Zelda: Links Awakening, runner up -Gargoyle's Quest
+SNES: The Legend of Zelda: A Link to the Past, runner up -Super Mario World
+N64: The Legend of Zelda: Ocarina of Time, runner up 007 Goldeneye
+GBA: Metroid: Zero Mission, runner up- Castlevania: Aria of Sorrow
+Gamecube: The Legend of Zelda: Wind Waker, runner up- Luigi's Mansion
+Nintendo: 3DS Fire Emblem: Awakening, runner up The Legend of Zelda: ALBW
