Unity получите все по тегу
GameObject[] arrayGo = GameObject.FindGameObjectsWithTag("myTag");
Thibaudkhan
GameObject[] arrayGo = GameObject.FindGameObjectsWithTag("myTag");
yourObjects = GameObject.FindGameObjectsWithTag("Respawn");
//Youtube: https://www.youtube.com/channel/UCBDHOr2HKOuMiWUj-Pu-AGA
GameObject.FindWithTag("Enemy");