Survival is a friendly game mode in FIFA 23 and Ultimate Mode in which, when a goal is scored, a random player from the scoring team, excluding the keeper, gets removed from the contest.
In survival match, you will get only 4 players taken out from your team. After the four players were sent off, no other players will be removed from the pitch.
How to Play Survival Mode
Survival mode is available in FUT 23 > PLAY > FRIENDLIES option.
In FIFA Kick-off mode, it is available under House Rules.