Here is the full list of all 10 Muddledash achievements.
3 Seconds of air time
Jump off a dashing player's head
Stun someone in the same second they stun you
Pick up the present while stunned
Kick a dashing pode
Don’t let anyone else touch the present
Win a match without touching the present until the very end
Win a match without kicking
Stun 2 players before hitting the ground
Uncover the secret ingredient to a grand night