Decided to do some digging and see if I could come up with all of the launch window (Q4 2020) games for both PS5 and Xbox Series. Here is what I have found. Let me know if I am missing anything.
Key
FE- Full Exclusive
C- Console exclusive
T- Timed exclusive
TC- Timed console exclusive
TN- Timed next-gen exclusive
F- Free graphical update
P- Paid remaster/port
Games that are on both systems launch Holiday
3rd party multiplat new releases
- Assassin's Creed Valhalla
- Bridge Constructor: The Walking Dead
- Call of Duty Black Ops: Cold War
- Chivalry 2
- Evergate
- Haven
- Immortals: Fenyx Rising
- Just Dance 2021
- Lost at Sea
- Outriders
- Override 2: Super Mech League
- Planet Coaster
- Poker Club
- Puyo Puyo Tetris 2
- Recompile
Graphical Updates/Remasters/Ports for Games that release before the new consoles
- Borderlands 3 | F
- Cuisine Royale | F
- Dead By Daylight | F
- Destiny 2 | F
- Devil May Cry 5: Special Edition | P
- Dirt 5 | F
- FIFA 21 | F
- Fortnite | F
- King Oddball | F
- Madden NFL 21 | F
- Maneater | F
- Mortal Kombat 11 Ultimate Edition | P
- NBA 2K21 | P
- No Man's Sky | F
- Observer: System Redux | P
- Rainbow Six Siege | F
- Warhammer: Chaosbane | P
- War Thunder | F
- Watch Dogs: Legion | F
- WRC 9 | F
Playstation 5
Exclusives
- Astro's Playroom | FE
- Bugsnax | TC
- Demon's Souls Remake | FE
- Godfall | TC
- The Pathless | TC
- Sackboy: A Big Adventure | FE
- Spider-Man: Miles Morales | FE
- Vigor | TN
- Worms Rumble | C
Graphical Updates for Older Games
- Days Gone | F
- Ghost of Tsushima | F
- Spider-Man (2018) | P
Xbox Series
Exclusives
- Bright Memory | C
- Call of the Sea | C
- Enlisted | TC
- The Falconeer | C
- Gears Tactics | C
- Manifold Garden | TN
- Recompile | TC
- RPG Time: The Legend of Wright | TC
- Samurai Shodown | TN
- Tetris Effect Connected | TC
- Yakuza 7 | TN
- Yes, Your Grace | TN
Graphical Updates for Older Games
- Ark: Survival Evolved | F
- Forza Horizon 4 | F
- Gears 5 | F
- Grounded | F
- Halo: The Master Chief Collection | F
- Ori and the Will of the Wisps | F
- The Outer Worlds | F
- Sea of Thieves | F
- The Touryst | F