The project uses a "rolling roadmap." For example, 2023 updates focused on the characters Starbuck and Rebecca, while 2025 updates added content for the office secretary and the salon owner. game/Roadmap.txt · master - Lab Rats 2 Mods - GitGud.io
If you played previous versions (like v0.44 or v0.45), you likely want to keep your progress. Because Version 202 (Reformulate) changed how serums work, old saves are technically "dirty." lab rats 2 reformulate ongoing version 202 install