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