Here's all the achieves in the game files I BELIEVE. Have fun.
11- First Blood
11---- Complete a game in Play mode.
12- The Duelist
12---- Play 3 games in Play mode.
31- Level Up
31---- Get any class to level 10.
32- Druid or Hunter Victory
32---- Win 2 games with Druid or Hunter.
33- Druid or Rogue Victory
33---- Win 2 games with Druid or Rogue.
34- Hunter or Mage Victory
34---- Win 2 games with Hunter or Mage.
35- Mage or Shaman Victory
35---- Win 2 games with Mage or Shaman.
36- Paladin or Priest Victory
36---- Win 2 games with Paladin or Priest.
37- Paladin or Warrior Victory
37---- Win 2 games with Paladin or Warrior.
38- Priest or Warlock Victory
38---- Win 2 games with Priest or Warlock.
39- Rogue or Warrior Victory
39---- Win 2 games with Rogue or Warrior.
40- Shaman or Warlock Victory
40---- Win 2 games with Shaman or Warlock.
41- Druid or Hunter Dominance
41---- Win 5 games with Druid or Hunter.
42- Druid or Rogue Dominance
42---- Win 5 games with Druid or Rogue.
43- Hunter or Mage Dominance
43---- Win 5 games with Hunter or Mage.
44- Mage or Shaman Dominance
44---- Win 5 games with Mage or Shaman.
45- Paladin or Priest Dominance
45---- Win 5 games with Paladin or Priest.
46- Paladin or Warrior Dominance
46---- Win 5 games with Paladin or Warrior.
47- Priest or Warlock Dominance
47---- Win 5 games with Priest or Warlock.
48- Rogue or Warrior Dominance
48---- Win 5 games with Rogue or Warrior.
49- Shaman or Warlock Dominance
49---- Win 5 games with Shaman or Warlock.
50- Destroy them All
50---- Destroy 40 minions.
51- Only the Mighty
51---- Play 20 minions that cost 5 or more.
52- The Meek Shall Inherit
52---- Play 40 minions that cost 2 or less.
53- Spell Master
53---- Cast 40 spells.
54- Beat Down
54---- Deal 100 damage to enemy heroes.
55- Crafting Time
55---- Disenchant a card.
56- Enter The Arena
56---- Enter The Arena.
58- Arrrrrr!!!
58---- Acquire every Pirate.
59- Golden Arrrrrr!!!
59---- Acquire every Golden Pirate.
60- Mrglglglgl!
60---- Acquire every Murloc.
61- Golden Mrglglglgl!
61---- Acquire every Golden Murloc.
62- Chicken Dinner
62---- Win 100 games in any mode.
63- Big Winner
63---- Win 1000 games in any mode.
64- Total Dominance
64---- Win 7 games in any mode.
69- 3 Victories!
69---- Win 3 games with any class.
79- Ready to Go!
79---- Unlock every Hero.
89- Crushed Them All!
89---- Defeat every Expert AI Hero.
90- Got the Basics!
90---- Collect every card in the Basic Set.
91- One of Everything!
91---- Collect every card in the Expert Set.
95- Beta Hero!
95---- Thank you for helping to test our Store!