You certainly can! First, it is important to note what platforms can play together:
PC |
PS4 |
Xbox One |
Nintendo Switch |
|
PC |
✓ |
✓ |
✓ |
✓ |
PS4 |
✓ |
✓ |
X |
X |
Xbox One |
✓ |
X |
✓ |
✓ |
Nintendo Switch |
✓ |
X |
✓ |
✓ |
✓ - Players on these platforms may play together.
X - Cross-Platform Play is not available between these two platforms.
If you and your friends are on compatible platforms, all you need to do to play together is create a Private Match with Name/Password. You may find instructions on how to create and join a Private Match here.
Casual and Competitive Play
In order to play Casual or Competitive with your friends, you must create a Party first. Cross-Platform Parties are not currently an available feature in Rocket League.