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