Here is the full list of all 134 Twilight Survivors achievements.
Complete Lore Chapter - Under the Altar
Defeat the Boss - Frost King Crab
Clear Level - Erosion · Frontline of Dawn
Clear Level - Erosion · Frontline of Dawn with an S rank
Complete Lore Chapter - A Young Girl's Secret Thoughts
Complete Lore Chapter - Continental Council Decree
Clear Level - Mythic Garden with an S rank
Clear all Levels with an S rank
Clear Level - Under the Sand Dunes with an S rank
Unlock Lena's Ultimate Talent Node
Unlock All Kwent Cards
Complete Lore Chapter - Warrior of the Five Continents
Complete Lore Chapter - Queen of the Seven Seas
Unlock Doridori's Ultimate Talent Node
Complete Lore Chapter - The Cursed Knight
Unlock all Archive Entries
Survive 10 minutes in Level - Erosion · Endless Battlefield
Survive 20 minutes in Level - Erosion · Endless Battlefield
Survive 30 minutes in Level - Erosion · Endless Battlefield
Play a game in Level - Erosion · Endless Battlefield
Complete Lore Chapter - The Pursuit
Clear Level - The Embodiment of Death with an S rank
Unlock Elena's Ultimate Talent Node
Unlock Archive Entry: Super Weapon - Otherworldly Guardian
Unlock Aster's Ultimate Talent Node
Complete Lore Chapter - Heavily Scribbled Continental Council Record
Clear Level - Life Spring with an S rank
Complete Lore Chapter - Continental Council Records
Complete Lore Chapter - Whispers in the Forest
Unlock Augustine's Ultimate Talent Node
Complete Lore Chapter - Sword of Dawn
Clear Level - Quaking Earth with an S rank
Clear Level - Avalanche with an S rank
Clear Level - Goblins' End with an S rank
Complete Lore Chapter - Harbinger of Darkness
Unlock Aldreya's Ultimate Talent Node
Unlock Archive Entry: Super Weapon - Explosive Barrage
Complete Lore Chapter - Journal in the Ruins
Unlock Emberfire's Ultimate Talent Node
Complete Lore Chapter - Secret Report Through Time and Space
Complete Lore Chapter - Departure Decision
Clear Level - The Embodiment of Death
Defeat the Boss - Anubis
Clear Level - Mythic Garden
Unlock Archive Entry: Super Weapon - Ancient Dragon
Defeat the Boss - Giant Cactus
Unlock all Skill
Clear Level - Under the Sand Dunes
Unlock Character - Lena, the Dauntless Voyager
Unlock Archive Entry: Super Weapon - Shockwave Pinball
Unlock Inu Kage's Ultimate Talent Node
Complete Lore Chapter - Guardian Sword
Destroy 30 Buried Barrels
Clear Level - The "Serene" Desert
Clear Level - The "Serene" Desert with an S rank
Defeat the Boss - Desert Scorpion
Complete Lore Chapter - Dark Abyss
Complete Lore Chapter - The Gifted Sorceress
Unlock Archive Entry: Super Weapon - Shadow Realm
Unlock All Weapons
Clear Level - Avalanche
Unlock Character - Elena the Twilight Sorceress
Defeat the Boss - Giant Snow Bear
Complete Lore Chapter - TOW Log
Clear Level - Snowstorm Survivors with an S rank
Complete Lore Chapter - Nature's Listener
Pick up 30 Hellfreeze Bomb
Pick up 30× Flamethrowers
Complete Lore Chapter - Historian
Pick up 30 Hellfire Bombs
Unlock Archive Entry: Super Weapon - Splitshot
Clear Level - Refugee Site with an S rank
Unlock Archive Entry: Super Weapon - Grand Healer
Unlock Archive Entry: Super Weapon - Minion Leader
Unlock Archive Entry: Super Weapon - King's Wrath
Unlock Lillia's Ultimate Talent Node
Complete Lore Chapter - Ensuring the Tribe's Survival
Unlock Archive Entry: Super Weapon - Ice Blast
Get 6 Super Weapons in a single game
Clear Level - Life Spring
Defeat the Boss - Penguin King
Complete Lore Chapter -
Unlock Character - Aster the Summoner
Unlock 100 Archive Entries
Unlock Archive Entry: Super Weapon - Fiery Tornado
Clear Level - Snowstorm Survivors
Defeat the Boss - Ice Wolf King
Defeat 100,000 enemies in total
Break 30 Frozen Barrels
Clear Level - Snowy Foothills
Clear Level - Snowy Foothills with an S rank
Defeat the Boss - Snow Giant
Complete Lore Chapter - The Mysterious Durian
Unlock Character - Aldreya the Observer
Clear Level - Goblins' End
Unlock Archive Entry: Super Weapon - Spikeback
Defeat the Bosses - Slime King, Frog King, Stone Giant, and Boar King
Unlock a Kwent Card
Complete Lore Chapter - RKS Log
Unlock Archive Entry: Super Weapon - Multi Air Blast
Clear Level - Cursed Land with an S rank
Unlock Archive Entry: Super Weapon - Ratchet Bomb
Unlock Archive Entry: Super Weapon - Soul Sonata
Complete Lore Chapter - Otherworldly Visitor
Unlock Archive Entry: Super Weapon - Divine Shield
Clear Level - Cursed Land
Pick up 30 Vortex Rings
Complete 10 Events
Get 10,000 Coins in total
Pick up 30 Elixirs
Complete Lore Chapter - Ancestral Blessings
Unlock 50 Archive Entries
Unlock Archive Entry: Super Weapon - Fissure Laser
Clear Level - Refugee Site
Unlock Character - Augustine the Sword of Dawn
Unlock Archive Entry: Super Weapon - Midas Touch
Unlock Archive Entry: Super Weapon - Fuhma Shuriken
Complete an Event
Unlock Archive Entry: Super Weapon - Thunder Strike
Clear Level - Quaking Earth
Unlock Archive Entry: Super Weapon - Holy Bombard
Reach Lv.50
Unlock Archive Entry: Super Weapon - Chain Fireball
Unlock a Talent Node
Reach Lv.10
Reach Lv.30
Get a Super Weapon
Survive 10 minutes in Level - Quaking Earth
Unlock an Archive Entry
Unlock Archive Entry: Super Weapon - Swift Dagger
Unlock Archive Entry: Super Weapon - Mighty Impact
Break 30 Barrels
Unlock Archive Entry: Super Weapon - Whale's Devour
Play a game in Level - Quaking Earth