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