Here is the full list of all 13 Schrödinger's Cat and the Raiders of the Lost Quark achievements worth 1,000 gamerscore.
Save yourself from a harmful landing with a combo (BBB, BBT, TTU, TTT)
Help 10 Wosons fall in love
Clear up the Higgs Boson's itchy problem
Access the Nucleus
Collect 1000 quarks
Carry around loads of one type of quark in your quark army
Collect 100 gluons
Collect 25 electrons
Collect 5 muons
Collect all loose creatures
Get through a critter-filled zone without losing a hit point (tutorial doesn't count)
Play the decoy music for more than 30 seconds
Clear all the Gluons in one zoo zone