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 wonLord of RatsYou now rule over the suburban neighborhood with your fellow rat companions. 20 January 2021 - Add a guideShare the LoveInfect the house with your rat buddy. 20 January 2021 - Add a guidePestDefeat a boss. 20 January 2021 - Add a guideProfessor RatInfect more than four houses. 20 January 2021 - Add a guideScientific RatUpgrade your rat's capabilities. 20 January 2021 - Add a guideRatsInfect a house. 20 January 2021 - Add a guideFellow RatsSave a Rat. 20 January 2021 - Add a guidePoisonousInfected the food meant for humans! 20 January 2021 - Add a guidePlague BearerPoison a human. 20 January 2021 - Add a guideExterminatedNo more rats.. 20 January 2021 - Add a guide