Rat Simulator Achievements Here is the full list of all 10 Rat Simulator achievements.Filter Achievement View View Image viewList view Sort by Won first then 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 AllWonNot wonPlague BearerPoison a human. 14 March 2018 - Add a guidePoisonousInfected the food meant for humans! 14 March 2018 - Add a guideExterminatedNo more rats.. 14 March 2018 - Add a guideRatsInfect a house. Locked - Add a guideProfessor RatInfect more than four houses. Locked - Add a guidePestDefeat a boss. Locked - Add a guideScientific RatUpgrade your rat's capabilities. Locked - Add a guideFellow RatsSave a Rat. Locked - Add a guideShare the LoveInfect the house with your rat buddy. Locked - Add a guideLord of RatsYou now rule over the suburban neighborhood with your fellow rat companions. Locked - Add a guide