God mode usually prevents death from falls, but high-velocity impacts can still cause "ragdoll" glitches.
Arma 3 has built-in "Cheat Codes" that don't require the console. While in a single-player game, hold Left Shift and press Numpad Minus (-) , then type: 6 arma 3 god mode command
Using console commands does not typically disable Steam achievements in Arma 3. God mode usually prevents death from falls, but
To make all AI units in your group invincible, use this script in the Debug Console: {_x allowDamage false} forEach units group player; In the (Init) field
If you want your vehicle to be indestructible, put this in the vehicle's Init field: this allowDamage false;
In the (Init) field, paste: this allowDamage false;