Operation Sheep Defense Achievements Here is the full list of all 23 Operation Sheep Defense 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 First LevelFirst level completed First UpgradeFirst tower upgraded Tutorial CompletedFirst 5 levels completed Making ProgressFirst 10 levels completed 20 Level MarkFirst 20 levels completed Half WayFirst 45 levels completed ExperiencedFirst 65 levels completed Campaign CompletedComplete the campaign EngineerUpgrage 5 towers in a single level Splash DamageKill 3 enemies with a single shot Splash DamageKill 5 enemies with a single shot 100 KillsKill over 100 enemies in a single level 250 KillsKill over 250 enemies in a single level 500 KillsKill over 500 enemies in a single level 1000 KilsKill over 1000 enemies in a single level 2000 KillsKill over 2000 enemies in a single level Big LevelsFinish one level of the extended campaign Extended Campaign CompletedComplete the extended campaign Coop PlayerFinish one coop levels Content CreatorBuild a level with the level editor and finish the level Laser ChallengeFinish a level with only lasers Rocket ChallengeFinish a level with only rocket launchers Big Gun ChallengeFinish a level with only big guns