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