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