Full list of all 21 Stacking achievements worth 250 gamerscore. It takes around 6-8 hours to unlock all of the achievements in the base game on Xbox 360.
The base game contains 17 achievements worth 200 Gamerscore, and there is 1 DLC pack containing 4 achievements worth 50 Gamerscore.
Completed the Final Challenge.
Completed the Triple Decker Tank Engine adventure.
Collected all unique dolls in the Triple Decker Tank Engine.
Found all solutions to all Triple Decker Tank Engine challenges.
Completed all Hi-Jinks in the Triple Decker Tank Engine.
Found all of the solutions to all of the Royal Train Station challenges.
Completed all Hi-Jinks in the Royal Train Station.
Found all solutions to all Zeppelin of Consequence challenges.
Collected all unique dolls in the Zeppelin of Consequence.
Completed all Hi-Jinks in the Zeppelin of Consequence.
Completed the Zeppelin of Consequence Adventure.
Collected all unique dolls in the Royal Train Station.
Completed all Hi-Jinks in Gilded Steam Ship.
Collected all unique dolls in Gilded Steam Ship.
Found all solutions to all Gilded Steam Ship challenges.
Completed the Gilded Steam Ship Adventure.
Completed the Train Strike Adventure.
Complete all Hi-jinks in the Lost Hobo King adventure.
Find all unique dolls in the Lost Hobo King adventure.
Complete the Lost Hobo King adventure.
Find all solutions to all of the Lost Hobo King challenges.