Here is the full list of all 25 Landlord's Super achievements.
Skip the tutorial
Rent out a property that is 25 squared metres or smaller
Perfectly Satisfy a Yuppie tenant
Retire in a house worth at least 40k
Rent out a property with 3 floors
Read 20 newspaper articles
Perfectly Satisfy a Grafter tenant
Perfectly Satisfy a Lout tenant
Retire before 1984
Climb ladders for 306 steps
Become permenantly afflicted from smoking
Go to Jail
Get caught earning while claiming Job seekers allowance and invalidity benefits
Get banned from the pub
Purchase all items from the tool catalogue
Sample every type of alcohol in the game
Accumilate £100 from benefits
Become obese
Roll a jackpot
Mix perfect concrete, mortar & No-Fines
Complete 3 jobs around town
Place a roof tile in the rain
Pee on the bus stop
Lay a brick
Make £100 selling scrap