Here is the full list of all 17 Slapshot: Rebound achievements.
Record 50 post hits
Be in a party with 2 other people
Spawn the maximum amount of pucks in a practice mode
Have a puck hit you in the dome
Be in a party with another person
Complete the tutorial
Record 50 assists
Wait in the matchmaking queue for 10 minutes
Reach level 10
Equip a cosmetic
Get beaten by bots in a local match
Knock the water bottle off the goal