Portal
Playing now
523−139 vs. yesterday
14%of peak
All-time peak
3,617Aug 2025
Every achievement on record
Achievements
RarestRocket Science2.8% of players
Most earnedLab Rat81% of players
Lab RatAcquire the fully powered Aperture Science Handheld Portal Device.81%
FratricideDo whatever it takes to survive.63%
PartygoerMake the correct party escort submission position decision.55%
