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