Can I share my Steam Deck?
The Steam Deck allows up to five family members or friends to access the same machine and play the same Steam games. To activate it, players need to use the following instructions: Press the user's profile image in the top right corner next to the clock using the touch screen.
Can 2 users use Steam at the same time?
A Steam library can only be used by one user at a time to play one game at a time. The same is true if that library is being accessed by another user via Family Sharing. A Steam account may authorize Family Library Sharing on up to 5 accounts and on up to 10 devices in a 90 day period.
Can Steam Deck play 2 players?
Definitely - you can play local co-op on the Steam Deck in a few different ways.
Does Steam Deck allow multiplayer?
On Steam Deck it supports everything barring splitscreen. You can play online, but splitscreen is officially not supported.
Is Steam Deck tied to one account?
How to play Steam on two devices?
How do I enable family sharing?
How to play 2 player on Steam?