Oasis Defense Achievements Here is the full list of all 23 Oasis 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 WinWin Normal Level 1 Normal Level 5Win Normal Level 5 Normal Level 10Win Normal Level 10 Normal Level 15Win Normal Level 15 Normal Level 20Win Normal Level 20 Normal Level 25Win Normal Level 25 Normal Level 30Win Normal Level 30 Normal Level 35Win Normal Level 35 Normal Level 40Win Normal Level 40 Endless Mode Wave 20Reach Wave 20 In Endless Mode Endless Mode Wave 25Reach Wave 25 In Endless Mode Endless Mode Wave 30Reach Wave 30 In Endless Mode Endless Mode Wave 35Reach Wave 35 In Endless Mode Endless Mode Wave 40Reach Wave 40 In Endless Mode Endless Mode Wave 45Reach Wave 45 In Endless Mode Endless Mode Wave 50Reach Wave 50 In Endless Mode Total Waves 50Total Record Of Endless Mode Reaches 50 Total Waves 200Total Record Of Endless Mode Reaches 200 Total Waves 400Total Record Of Endless Mode Reaches 400 Total Waves 600Total Record Of Endless Mode Reaches 600 Total Waves 800Total Record Of Endless Mode Reaches 800 Total Waves 1000Total Record Of Endless Mode Reaches 1000 Total Waves 1200Total Record Of Endless Mode Reaches 1200