Here is the full list of all 69 Golden Rails: Harvest of Riddles achievements.
Built 10 railway sections.
Built 10 houses.
Collected 4000 units of wood.
Found 1 clue.
Completed a mini-game with 3 stars.
Found 5 owls.
Collected 10 vegetables.
Collected 4000 units of food.
Collected 100 units of money.
Collected 100 units of iron.
Collected 100 units of wood.
Collected 100 units of food.
Completed Farmland.
Completed Farmland with 2 stars.
Completed Farmland with 3 stars.
Completed Town.
Completed Town with 2 stars.
Completed Town with 3 stars.
Completed Warehouses.
Completed Warehouses with 2 stars.
Completed Warehouses with 3 stars.
Completed Prairies.
Completed Prairies with 2 stars.
Completed Prairies with 3 stars.
Completed Ghost Town.
Completed Ghost Town with 2 stars.
Completed Ghost Town with 3 stars.
Completed Finale.
Completed Finale with 2 stars.
Completed Finale with 3 stars.
Completed Extra Levels.
Completed Extra Levels with 2 stars.
Completed Extra Levels with 3 stars.
Collected 10,000 units of food.
Collected 10,000 units of wood.
Collected 4000 units of iron.
Collected 10,000 units of iron.
Collected 4000 units of money.
Collected 10,000nits of money.
Collected 10 letters.
Collected 200 letters.
Collected 500 letters.
Collected 200 vegetables.
Collected 400 vegetables.
Built 50 railway sections.
Built 70 railway sections.
Completed 3 mini-games with 3 stars.
Completed 5 mini-games with 3 stars.
Planted 10 gardens.
Planted 20 gardens.
Planted 25 gardens.
Arrested10 bandits.
Arrested 30 bandits.
Arrested 50 bandits.
Collected 10 sticks of dynamite.
Collected 50 sticks of dynamite.
Collected 100 sticks of dynamite.
Collected 20 tools.
Collected 100 tools.
Collected 200 tools.
Built 50 houses.
Built 100 houses.
Found 30 owls.
Found all the owls.
Found 5 clues.
Found all the clues.
Got all level-1 achievements.
Got all level-2 achievements.
Got all level-3 achievements.