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
Suck up 500 000 units of water in total
How'd you get here?!
Finish Poland
Complete every level restoring 100% of nature
Finish Garden
Some say it's intentional, others say it's just a mistake. It's neither
Finish Beach
Finish Australia
Is it ancient... Or just old?
Collect 5000 trash in total
Finish Japan
Finish Asia
Seems out of place, doesn't it?
Finish Forest
Jump!
Recycle 1000 trash using pocket recycler
Finish Iceland
Collect 2500 trash in total
Use Hooverbot a 100 times in total
Use Sprinklerbot a 100 times in total
Destroy 300 debris piles in total
Finish Alps
Destroy 200 debris piles in total
Finish Railstation
Collect 500 trash in total
Destroy 100 debris piles in total
Finish the tutorial