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