In my opinion, NCP - Smothered Kings is basically the same as this, and it's not balanced (used to be rated, now a casual only game.)
WoF : Pawn Race
In my opinion, NCP - Smothered Kings is basically the same as this, and it's not balanced (used to be rated, now a casual only game.)
no, it is not smothered kings being copied and edited, he might just be inspired by the position that kings can't move, it is like a race beetween 4 players

Gamerules: +10 , 1+, CTK , 9th=N
Time Control : 1|15 D
Testing games
First ketch https://www.chess.com/4-player-chess?g=11499194-0
https://www.chess.com/4-player-chess?g=11499225-52
https://www.chess.com/4-player-chess?g=11499271-30
https://www.chess.com/4-player-chess?g=11499309-39
https://www.chess.com/4-player-chess?g=11499368-38
last version ( from +20 to +10 and change red piece)
https://www.chess.com/4-player-chess?g=11509026-0
https://www.chess.com/4-player-chess?g=11509054-1
https://www.chess.com/4-player-chess?g=11509074
https://www.chess.com/4-player-chess?g=11509111
https://www.chess.com/4-player-chess?g=11511262