Deep Rock Galactic: 14 Pro Tips For Playing The Gunner 1 Shield, Plant, Fire. 2 Gunners Soften Up Enemies For Allies. ... 3 Destroy The Enemy's Armor. ... 4 Gunners Should Prioritize The Tough Units. ... 5 Mining Nitra Is The Gunner's Priority. ... 6 Emergency Shield Is A Powerful Gunner Tool. ... 7 Shield The Supply Drop.