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