Full list of all 58 Lawn Mowing Simulator achievements. It takes around 35-40 hours to unlock all of the achievements in the base game on Windows.
The base game contains 42 achievements, and there are 3 DLC packs containing 16 achievements.
Complete all 4 Ancient Britain challenges
Complete any of the Ancient Britain career contracts with a Knight mower.
Find the valuable on The Ancient Auroch
Find the valuable on Aurochs Hill
Find the valuable on Druid Tor
Find the valuable on The Royal Stones
Complete any Dino Safari contract in Career mode.
Complete an overgrown contract on the Raptor paddock in Career mode.
Find the valuable in Herbivore Valley
Find the valuable in Cretaceous Canyon
Find the valuable in the Raptor enclosure
Find the valuable in the T-Rex paddock
Find a valuable in Mill View Park or Roskell Quarry Park
Find all valuables in Roskell Quarry Park and Mill View Park
Complete a career contract on either Mill View Park or Roskell Quarry Park with the Patterson ZTA XL
Purchase the Patterson ZTA XL