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