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