Mutations
The mutation system is the Scientist's core loop in Rat Lab: create mutations, test them on Lab Rats, and track specimens in the Mutation Index. These guides explain the full loop, the Index and its color codes, the step-by-step experiment workflow, and the late-session OP Mutations window.
Articles and Guides
Mutations Guide
Understand how mutations are created, tested, and tracked from injection to OP unlocks.
Read moreMutation Index
Use the Mutation Index to plan experiment chains and steer clear of fake promo codes.
Read moreExperiments Guide
Claim a workspace and run the syringe workflow step by step as a working Scientist.
Read moreIndex Color Codes
Read mutation RGB mixes, browse documented examples and number ranges, and distinguish them from promo codes.
Read moreOP Mutations
Time the roughly 60-minute OP Mutations unlock and plan your late session around the reset.
Read moreRat Lab: Four Mutations Compared by Obstacle
Choose between Enhanced Agility, Acid Shield, Wire Gnaw and Thermal Fur for hazardous floor traps, chemical hazards, security conduits and cold.
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