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