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
Dig up 20 buried objects
Harvest 50 crops
Collect acorns for Evie
Record all enemies in the Book of Beasts
Reach floor 25 in the Endless Abyss
Open 200 chests
Collect all classes
Light 100 torches
Catch all fish types
Spend 150,000 total Gems
Defeat Omega Titan and save Tasos
Break 500 pots
Defeat Glaciostraza, Guardian of Kryomar Temple
Collect 100,000 total Gems
Collect all equipment
Bust up 100 crates
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
Defeat Rhizomorph, Guardian of Welestar Chamber
Destroy 500 monsters
Block 100 projectiles with the shield
Cut down 500 bushes
Collect 10,000 total Gems
Spend 5,000 total Gems
Build 10 buildings
Ride in a Croaker in Crumwell Swamp
Defeat Koleoptera, Guardian of Terakar Keep
Build 5 buildings
Collect 1,000 total Gems
Acquire the Book of Beasts from Nik
Build Griff's Workshop
Die and be resurrected
Catch a fish