https://wccftech.com/halo-reach-pc-steam/

Halo Reach PC has hit over 150.000 concurrent players on Steam following its launch yesterday.

Bungie’s final Halo installment was released for PC yesterday, and in just above 1 hour after its launch, the shooter reached over 100K concurrent players on Steam alone. According to the Steam Stats, Reach topped at over 160K players and there’s still around 130K concurrent players playing this game at the moment of writing.