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