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