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