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