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