Here is the full list of all 29 Fresh Start Cleaning Simulator achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Pet every animal
Complete every level restoring 100% of nature
Is it ancient... Or just old?
Some say it's intentional, others say it's just a mistake. It's neither
Seems out of place, doesn't it?
Finish Poland
Finish Railstation
Suck up 500 000 units of water in total
How'd you get here?!
Use Sprinklerbot a 100 times in total
Finish Garden
Finish Beach
Use Hooverbot a 100 times in total
Finish Australia
Collect 5000 trash in total
Finish Japan
Jump!
Finish Asia
Finish Forest
Recycle 1000 trash using pocket recycler
Finish Iceland
Collect 2500 trash in total
Destroy 300 debris piles in total
Finish Alps
Destroy 200 debris piles in total
Collect 500 trash in total
Destroy 100 debris piles in total
Finish the tutorial