Here is the full list of all 124 Time Break Chronicles achievements.
Defeat the Broodmother boss.
Rescue Seth the Lizardman.
Rescue Ambroise the Plague Doctor.
Bind a relic to a hero.
Complete the tutorial.
Train a skill.
Craft a relic.
Build the Forge in your town.
Build the Research Lab in your town.
Build the Nano Lab Facility in your town.
Defeat the Venom Queen boss.
Defeat the Big Blob boss.
Defeat the Mutant Twins boss.
Have a hero be consumed by a Death Worm.
Rescue Yukiko the Assassin.
Rescue Big Dan the Biker.
Rescue Maximus the Blacksmith.
Rescue Javed the Immortal.
Rescue Amenemhet the Jackal Priest.
Rescue Samuel the Lawbringer.
Rescue Darius the Marine.
Rescue Harry the Medic
Rescue Jack the Pirate.
Rescue Buzzard the Raider.
Rescue Slade the Rocker.
Rescue Rafael the Sentinel.
Rescue Carlos the Super Soldier.
Rescue Chuckles the Clown.
Rescue Paul the Linebacker.
Rescue Cain the Maelstrom.
Rescue Kiara the Banshee.
Rescue Odrak the Barbarian.
Rescue Og the Caveman.
Rescue Brand the Cleric.
Rescue Drax the Cursed.
Rescue Caleb the Dark Knight.
Rescue George the General.
Rescue Elgeon the Ice Mage.
Rescue MU-21 the Med Bot.
Rescue Ishikawa the Ninja.
Rescue Sovras the Necromancer.
Rescue Jed the Pioneer.
Rescue Korr the Sasquatch.
Rescue Thorg the Viking.
Rescue Vikki the Vul.
Defeat the Cursed Mirror boss.
Defeat the Rock Beast boss.
Defeat the Spirit Well boss.
Defeat the Living Snow boss.
Win a run in Singularity Mode.
Win a Singularity Mode run at Difficulty 5.
Win a Singularity Mode run at Difficulty 10.
Win a Singularity Mode run at Difficulty 15.
Defeat the King Shroom boss.
Defeat the Kraken boss.
Defeat the Shredder boss.
Defeat the Forest Heart boss.
Complete 3 quests for all Act 1 heroes in Chronicle Mode.
Complete 3 quests for all Act 2 heroes in Chronicle Mode.
Complete 3 quests for all Act 3 heroes in Chronicle Mode.
Defeat the Fate Weaver boss.
Defeat the Hell Pit boss.
Defeat the Magma Beast boss.
Defeat the Sin boss.
Complete 3 quests for all Act 4 heroes in Chronicle Mode.
Defeat the CENCOM boss.
Defeat the King Terror boss.
Defeat the Devastator boss.
Defeat Xendros.
Complete 3 quests for all Act 5 heroes in Chronicle Mode.