I'm PS all the way, so...
PS1: 10. Medal of Honor
9. Blood Omen
8. Twisted Metal 2
7. Crash Bandicoot 3
6. Tekken 3
5. Crash Team Racing
4. Soul Reaver
3. Suikoden 2
2. Final Fantasy 7
1. Metal Gear Solid
PS2: 10. God Hand
9. Persona 3 FES
8. Black
7. Disgaea 1
6. Okami
5. Resident Evil 4
4. Metal Gear Solid 2
3. Shadow of the Colossus
2. God of War 2
1. Metal Gear Solid 3
PS3: 10. Spec Ops The Line
9. Call of Duty 4: Modern Warfare
8. XCOM: Enemy Unknown
7. Borderlands 2
6. Mass Effect 1-3
5. Bioshock
4. Batman: Arkham City
3. Metal Gear Solid 4
2. Red Dead Redemption
1. Dark Souls
PS4: 10. The Witness
9. XCOM 2
8. DOOM 2016
7. Diablo 3
6. Sekiro Shadows Die Twice
5. Control
4. Uncharted 4: A Thief's End
3. The Witcher 3
2. God of War
1. Bloodborne
PS5: 10. Astro Playroom
9. Astro Playroom
8. Astro Playroom
7. Astro Playroom
6. Astro Playroom
5. Astro Playroom
4. Astro Playroom
3. Astro Playroom
2. Astro Playroom
1. Demon's Souls Remake