Here is the full list of all 18 Lab 03 Yrinth achievements.
Finish stage 1.
Die 10 times.
Release a sample from the lab.
Use 10 Time Power-Ups
Use 100 Time Power-Ups
Use 1000 Time Power-Ups
Use 10 Speed Power-Ups
Use 100 Speed Power-Ups
Use 1000 Speed Power-Ups
Die 1000 times.
Die 10000 times.
Return the sample to its chamber.
Finish stage 5.
Finish stage 10.
Finish stage 15.
Finish stage 25.
Finish stage 26.
Finish stage 35.