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