Here is the full list of all 124 Time Break Chronicles achievements.
Defeat the Spirit Well boss.
Win a run in Singularity Mode.
Rescue Odrak the Barbarian.
Rescue Elgeon the Ice Mage.
Defeat the Rock Beast boss.
Rescue Kiara the Banshee.
Rescue Brand the Cleric.
Rescue Carlos the Super Soldier.
Rescue Darius the Marine.
Rescue Samuel the Lawbringer.
Rescue Maximus the Blacksmith.
Rescue Cain the Maelstrom.
Rescue Chuckles the Clown.
Build the Forge in your town.
Rescue Ambroise the Plague Doctor.
Rescue Paul the Linebacker.
Defeat the Mutant Twins boss.
Rescue Amenemhet the Jackal Priest.
Rescue Yukiko the Assassin.
Rescue Seth the Lizardman.
Rescue Big Dan the Biker.
Rescue Jack the Pirate.
Craft a relic.
Defeat the Venom Queen boss.
Rescue Rafael the Sentinel.
Rescue Harry the Medic
Defeat the Broodmother boss.
Rescue Javed the Immortal.
Rescue Slade the Rocker.
Defeat the Big Blob boss.
Rescue Buzzard the Raider.
Complete the tutorial.
Train a skill.
Bind a relic to a hero.
Build the Research Lab in your town.
Build the Nano Lab Facility in your town.
Have a hero be consumed by a Death Worm.
Rescue Og the Caveman.
Rescue Drax the Cursed.
Rescue Caleb the Dark Knight.
Rescue George the General.
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 Living Snow boss.
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.