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