Here is the full list of all 80 Block N Load PTR achievements.
Mine your first block
Build your first block
Get your first online kill
Win an online match
Set a title, icon and border
Use a hero's active ability
Level up to level 1 with any hero
Start a match in a full hero squad
Win 10 online matches
Win 100 online matches
Travel 10000 units
Defeat 1000 enemies
Perform 1000 critical hits
Mine 1000 blocks
Accumulate 1000000 units of resources
Collect all Season 1 titles, badges and borders
Kill 100 enemies while you are below 30% hit points
Kill 3 enemies in 10 seconds
Accumulate 10000 resources in a single match
Obtain silver rank
Obtain gold rank
Accumulate 500 player score.
Accumulate 1000 player score.
Accumulate 5000 player score.
Accumulate 10000 player score.
Accumulate 15000 player score.
Accumulate 30000 player score.
Accumulate 45000 player score.
Accumulate 60000 player score.
Accumulate 75000 player score.
Accumulate 90000 player score.
Accumulate 105000 player score.
Accumulate 120000 player score.
Accumulate 135000 player score.
Accumulate 150000 player score.
Destroy the enemy base in Practice Grounds.
Collect all tokens in Practice Grounds.
Level up Sergeant 'Sarge' Stone to Hero Level 50
Level up Cogwheel to Hero Level 50
Level up Sweet Science to Hero Level 50
Level up Yury the Yeti to Hero Level 50
Level up Anthony 'Tony' Turretto to Hero Level 50
Level up 'Doc' Eliza Doolally to Hero Level 50
Level up Dream Genie to Hero Level 50
Level up Vander Graaf to Hero Level 50
Level up Nigel Purdey-Longshott to Hero Level 50
Level up O.P. 'Juan' Shinobi to Hero Level 50
Level up Astarella to Hero Level 50
Level up Kira-chan to Hero Level 50
Level up Sergeant 'Sarge' Stone to Hero Level 100
Level up Cogwheel to Hero Level 100
Level up Sweet Science to Hero Level 100
Level up Yury the Yeti to Hero Level 100
Level up Anthony 'Tony' Turretto to Hero Level 100
Level up 'Doc' Eliza Doolally to Hero Level 100
Level up Dream Genie to Hero Level 100
Level up Vander Graaf to Hero Level 100
Level up Nigel Purdey-Longshott to Hero Level 100
Level up O.P. 'Juan' Shinobi to Hero Level 100
Level up Astarella to Hero Level 100
Level up Kira-chan to Hero Level 100
Complete 3 Challenges
Complete 10 Challenges
Complete 50 Challenges
Complete 100 Challenges
Complete 1000 Challenges
Reach Player Level 6
Reach Player Level 20
Reach Player Level 50
Reach Player Level 100
Achieve a Silver League Rank
Achieve a Gold League Rank
Achieve a Pro League Rank
Start a match in a two-player team
Reach Hero Level 10 with a Brawn Role Hero
Reach Hero Level 10 with a Brains Role Hero
Reach Hero Level 10 with a Skills Role Hero
Reach Hero Level 10 with a Hero of each Role
Level up Roly Poly to Hero Level 50
Level up Roly Poly to Hero Level 100