Seems this is not the only Pacman game in this jam. So here it is:
The unofficial List of Pacman Games in GMTK Game Jam 2023:
(random order)
https://itch.io/jam/gmtk-2023/rate/2159180 Mouze
https://itch.io/jam/gmtk-2023/rate/2155301 Destroy the PacMan
https://itch.io/jam/gmtk-2023/rate/2159449 PACMAN?
https://itch.io/jam/gmtk-2023/rate/2163171 Pacman Ghost
https://itch.io/jam/gmtk-2023/rate/2157829 Reverse Pacman
https://itch.io/jam/gmtk-2023/rate/2160289 Dumb PacMan
https://itch.io/jam/gmtk-2023/rate/2160460 reverse pacman
https://itch.io/jam/gmtk-2023/rate/2162421 Reverse Pac-Man
https://itch.io/jam/gmtk-2023/rate/2161400 Pacman's Nightmare
https://itch.io/jam/gmtk-2023/rate/2155737 ANTI-PACMAN
https://itch.io/jam/gmtk-2023/rate/2158916 nam-cap
https://itch.io/jam/gmtk-2023/rate/2159206 NamCap
https://itch.io/jam/gmtk-2023/rate/2162705 GHOST MAN
https://itch.io/jam/gmtk-2023/rate/2161360 GHOST-MEN
https://itch.io/jam/gmtk-2023/rate/2162522 PAC-MAN (Ghost)
https://itch.io/jam/gmtk-2023/rate/2157478 Pac Ghost
https://itch.io/jam/gmtk-2023/rate/2156353 Pac-Person
https://itch.io/jam/gmtk-2023/rate/2159763 Pac-Mouse
https://itch.io/jam/gmtk-2023/rate/2162367 MAN-PAC
https://itch.io/jam/gmtk-2023/rate/2162119 Pacman Pursuit
https://itch.io/jam/gmtk-2023/rate/2159090 Frustration In The Planatation
https://itch.io/jam/gmtk-2023/rate/2156184 The Last Dot
https://itch.io/jam/gmtk-2023/rate/2154355 Smarter Ghosts
https://itch.io/jam/gmtk-2023/rate/2159100 Knight's Chase: A Pac-Man Reversal
https://itch.io/jam/gmtk-2023/rate/2159710 Catch-Man
https://itch.io/jam/gmtk-2023/rate/2156535 Pac's Revenge
https://itch.io/jam/gmtk-2023/rate/2155174 PagMan
https://itch.io/jam/gmtk-2023/rate/2155160 Inky's Mansion [GMTK 23]
https://itch.io/jam/gmtk-2023/rate/2160908 Waka Waka: The truth behind Pac-Man
https://itch.io/jam/gmtk-2023/rate/2158134 Daraku!!!
https://itch.io/jam/gmtk-2023/rate/2162966 Pac Snake
https://itch.io/jam/gmtk-2023/rate/2157448 PAC3D
https://itch.io/jam/gmtk-2023/rate/2158651 Ghost Guys
https://itch.io/jam/gmtk-2023/rate/2158215 Ghost Civil War
https://itch.io/jam/gmtk-2023/rate/2160020 Ghost-Man
https://itch.io/jam/gmtk-2023/rate/2161164 Ghost Glitch
https://itch.io/jam/gmtk-2023/rate/2159873 PigMan
https://itch.io/jam/gmtk-2023/rate/2156342 Ghost Revenge
https://itch.io/jam/gmtk-2023/rate/2152865 Ghost Eater
https://itch.io/jam/gmtk-2023/rate/2161091 Ghost Muster
https://itch.io/jam/gmtk-2023/rate/2154053 Ghost Man
https://itch.io/jam/gmtk-2023/rate/2154053 Ghost's revenge
https://itch.io/jam/gmtk-2023/rate/2156439 GMTK Game Jam Project "Revenge of The Ghost"
https://itch.io/jam/gmtk-2023/rate/2160060 GhostMan
https://itch.io/jam/gmtk-2023/rate/2159828 Ghost Man
https://itch.io/jam/gmtk-2023/rate/2157569 manpac
If you know some more, please add them as a reply to this comment.