Here is the full list of all 39 Rogue Heroes: Ruins of Tasos achievements.
Reach floor 25 in the Endless Abyss
Harvest 50 crops
Record all enemies in the Book of Beasts
Defeat Omega Titan and save Tasos
Catch all fish types
Collect all Power Spheres
Open all Shortcut Ramps
Open 200 chests
Light 100 torches
Defeat Glaciostraza, Guardian of Kryomar Temple
Collect all classes
Collect all equipment
Dig up 20 buried objects
Bust up 100 crates
Build all buildings
Spend 150,000 total Gems
Collect acorns for Evie
Collect 100,000 total Gems
Stop the blizzard on Mount Sekoset
Defeat Kaimieror, Guardian of Fyrotek Castle
Catch a fish
Break 500 pots
Defeat Necrosaur
Stop the lava flow in the Overgrowth
Cut down 500 bushes
Defeat Rhizomorph, Guardian of Welestar Chamber
Destroy 500 monsters
Spend 50,000 total Gems
Block 100 projectiles with the shield
Collect 10,000 total Gems
Ride in a Croaker in Crumwell Swamp
Build 10 buildings
Defeat Koleoptera, Guardian of Terakar Keep
Spend 5,000 total Gems
Build 5 buildings
Collect 1,000 total Gems
Acquire the Book of Beasts from Nik
Build Griff's Workshop
Die and be resurrected