Here is the full list of all 69 Hero Academy achievements.
Win 50 games with the Dwarves.
Win 50 games with the Team Fortress team.
Win 50 games with the Dark Elves.
Win 50 games with the Council.
Complete all Meet the Shaolin challenges.
Do 1000 points of damage with a corpse explosion.
Destroy two enemy crystals in a single turn.
Win 100 games.
Complete all Meet Team Fortress challenges.
Build up a max-health Wraith.
Weaken three enemies with the priestess in a single turn.
Win a game with the Shaolin Team.
Heal three allies with a chained Shaman heal.
Do 2000 or more damage with a single attack.
Resurrect an opponent's Ninja, Wraith, Chieftain, or Annihilator with the Shadow.
Hit three enemy heroes or crystals at once with a single Gunner attack.
Pull an enemy off an assault tile with an Impaler.
Hit three targets with a single Windblade attack.
Do 2500 damage or more with a single Ninja attack.
Removed an enemy hero's buff and a friendly hero's debuff in the same turn with a Taoist.
Win a game and take no crystal damage.
Debuff three enemies in one turn with a Poisoner.
Win 25 games.
Damage five targets with one Chieftain attack.
Shield a crystal with an Engineer.
Raise two Phantoms in a single turn with a Necromancer.
Execute two enemies in one turn with a Warrior.
Knock out three enemies at once with an Annihilator shot.
Hit three full-strength enemies in one turn with an Axe Thrower.
Knock out two enemies at once with the Pyro.
Lower an enemy's maximum health by 250 with a Monk.
Hit four enemy heroes or crystals at once with a single Grenadier attack.
Complete all Meet the Tribe challenges.
Get a Paladin to heal herself.
Complete all Meet the Dwarves challenges.
Win a game by destroying the enemy's crystals.
Win a game with the Tribe.
Win a game with the Dwarves.
Have an Engineer equip three allies in a single turn.
Win a game with the Dark Elves.
Hit three enemies at once with a Heavy's attack.
Win a game by destroying the enemy team.
Knock out a full-health enemy with one shot from an Archer.
Win a game with the Team Fortress team.
Link a Medic to a Heavy.
Win a game against a random player.
Win a game with the Council.
Take all day to put in your turn after your opponent does.
Resurrect and fully heal a knocked-out ally in a single turn.
Submit 100 turns.
Add Runemetal, Dragonscale, and Shining Helm to a single Knight.
Stomp two enemy heroes in one turn.
Attack a single enemy with three different heroes in one turn.
Hit three enemies with a single attack by a Wizard with a scroll.
Hit three enemies at once with a Void Monk's attack.
Complete all Meet the Dark Elves challenges.
Complete all Meet the Council challenges.
Hit an enemy target at maximum range with the Sniper.
Taunt an opponent.
Use an assault tile to do bonus crystal damage.
Submit five turns.
Use the undo feature and try something new.
Knock out an enemy.
Knock out three enemy heroes in one turn.
Submit a turn less than three minutes after your opponent moves.
Complete the Tutorial.
Win 50 games with the Tribe.
Win 50 games with the Shaolin Team.
Complete all Challenge Collection challenges.