Here is the full list of all 15 Unbox: Newbie's Adventure achievements.
Earn the Master Stamp in Isla Cartulina.
Earn the Master Stamp in Parcel Peaks.
Find and read a Mystery Diary.
Earn the Master Stamp in Paradise Isles.
Unbox 216 times.
Find and drive a vehicle for the first time.
Customise your box for the first time.
Receive a gift from a Giving Post.
Slam or shoot 50 Wild Cards with fireworks.
Meet Bounce and complete GPS' induction.
Find all of the Golden Tape on every world.
Find and rescue every Zippie on every world.
Slam or shoot 500 Wild Cards with fireworks.
Knock over 1000 things.
Earn a 100% rating on every world. (Find every Stamp, Golden Tape, Trapped Zippie and defeat the boss)