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