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