Radiation Caterpillar Achievements Here is the full list of all 40 Radiation Caterpillar 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 StepComplete level 1 BeginnerComplete level 2 Mastering BasicsComplete level 3 First SuccessesComplete level 4 Half a DozenComplete level 5 Gaining MomentumComplete level 6 Lucky SevenComplete level 7 Eight of LuckComplete level 8 Penultimate StepComplete level 9 The TenComplete level 10 Eleventh MilestoneComplete level 11 Dozen VictoriesComplete level 12 Baker's DozenComplete level 13 Two SevensComplete level 14 Fifteen Minutes of FameComplete level 15 Sixteen and SixComplete level 16 Seventeen MomentsComplete level 17 Coming of AgeComplete level 18 Last TeenComplete level 19 The TwentyComplete level 20 Twenty-OneComplete level 21 Double ElevenComplete level 22 Twenty-ThreeComplete level 23 Day in the GameComplete level 24 Quarter CenturyComplete level 25 Twenty-SixComplete level 26 Triple NineComplete level 27 Lunar CycleComplete level 28 Penultimate ThirtyComplete level 29 The ThirtyComplete level 30 Thirty-OneComplete level 31 Power of TwoComplete level 32 Age of ChristComplete level 33 Thirty-FourComplete level 34 Five Times SevenComplete level 35 Square of SixComplete level 36 Thirty-SevenComplete level 37 Thirty-EightComplete level 38 Pre-FinalComplete level 39 Fourth DecadeComplete level 40