Kill A Million Rats Achievements Here is the full list of all 20 Kill A Million Rats 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 MouseCompleted the game with a Mouse. SnakeCompleted the game with a Snake. CatCompleted the game with a Cat. PigCompleted the game with a Pig. OctopusCompleted the game with an Octopus. HorseCompleted the game with a Horse. GoatCompleted the game with a Goat. RavenCompleted the game with a Raven. StagCompleted the game with a Stag. DogCompleted the game with a Dog. BuffaloCompleted the game with a Buffalo. LionCompleted the game with a Lion. AlpacaCompleted the game with an Alpaca. SalamanderCompleted the game with a Salamander. You Did It!Killed one million Rats! A Huge ProblemDefeated a Giant Rat. Special FriendRecruited an Animal Guardian. A New DayMade it to Day 2. Treasure HuntOpened a Treasure Chest. Meta ProgressionPurchased a permanent upgrade.