Клавиша Escape.
using UnityEngine;
public class Example : MonoBehaviour { void Update() { if (Input.GetKeyDown(KeyCode.Escape)) { Debug.Log("Escape key was pressed"); }
if (Input.GetKeyUp(KeyCode.Escape)) { Debug.Log("Escape key was released"); }
if (Input.GetKey(KeyCode.Escape)) { Debug.Log("Escape key is being pressed"); } } }