NightmareZ Achievements Here is the full list of all 12 NightmareZ achievements.Filter Achievement View View Image viewList view Sort by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc What are achievement flags? Click to find outApply 500_Ghost_KilledWhen_500_Ghosts_are_killed_by_the_player Thunder_Skill_UnlockedThunder_skill_unlocked 1000_Ghost_KilledWhen_5000_ghosts_are_killed_by_the_player Special_Health_Box_CollectedWhen_player_collects_special_health_box Special_Ammo_Box_CollectedWhen_player_collects_special_ammo_box 2000_Ghost_KilledWhen_2000_Ghosts_are_killed Special_Energy_Box_CollectedWhen_player_collects_special_energy_box First_DealthWhen_player_dies_for_the_first_time Boss_Level_1Boss_level_1_unlocked Boss_Level_2Boss_level_2_unlocked Boss_Level_3Boss_level_3_unlocked Boss_Level_4Boss_level_3_unlocked