Mission in this case equals a main quest like the one in Milwaukee Junction plant as you can't get Ghost Bonuses during side quests.įor more information on the Ghost Bonus and detection details, visit the Deus Ex Wiki: Ghost (Bonus) Ghost Bonus is a 250XP bonus that is awarded at the end of a mission if you weren't detected during that mission.īeing detected means: being spotted long enough for your radar to turn red (not orange: really red), physically touching an enemy, letting enemies see other enemies bodies and/or turrets/bots exploding.