Here is the full list of all 11 Iconoclasts achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
Complete the game.
Protect the rocket.
Reach the city.
Survive the encounter with an agent.
Made a tweak.
Use the wrench to deflect danger.
Defeat Mother's Corners.
Defeat Fitzroy.
Make all main tweaks.
Get all chests in one playthrough.
Beat Challenge mode.