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