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