Full list of all 34 Peggle 2 achievements worth 1,450 gamerscore. It takes around 15-20 hours to unlock all of the achievements in the base game on Xbox One.
The base game contains 28 achievements worth 1,000 Gamerscore, and there are 2 DLC packs containing 6 achievements worth 450 Gamerscore.
Complete every level in the Peggle Institute
Complete every trial in the Peggle Institute
Complete every level in Mountain Highs
Complete every trial in Mountain Highs
Complete every level in Winter Blunderland
Complete every trial in Winter Blunderland
Complete every level in Gnorman's Gneighborhood
Complete every trial in Gnorman's Gneighborhood
Complete every level in Gravely Grove
Complete every trial in the Gravely Grove
Complete every Celestial Realm level
Complete every Celestial Realm trial
Complete 30 Optional Objectives
Complete 60 Optional Objectives
Complete 90 Optional Objectives
Complete 120 Optional Objectives
Complete 150 Optional Objectives
Complete 180 Optional Objectives
Win a level with at least 12 balls left (Except Trials and Multiplayer)
Earn 3 free balls on one shot (Except Trials)
Get 75,000 styleshot points in a shot (Except Trials)
Win a level with the cool clear style shot (Except Trials and Multiplayer)
Hit 10000 blue pegs
Hit 5000 orange pegs
Hit 300 green pegs
Clear all orange pegs in a level (Singleplayer only)
Beat your first ace score (Singleplayer only)
Clear all pegs in a level (Singleplayer only)
Complete all Hallelujah Hollow levels
Complete all Hallelujah Hollow trials
Complete 210 optional objectives
Complete all Jimmy's Jammin' Jaunt levels
Complete all Jimmy's Jammin' Jaunt trials
Complete 240 optional objectives