Here is the full list of all 45 Overcrowd: A Commute 'Em Up achievements.
Unlock all tech in one station in network sandbox
Unlock all advert types in network sandbox
Unlock every shop type in network sandbox
Unlock every prestige item in network sandbox
Unlock every tool in network sandbox
Build 1 platform in one station in network sandbox
Complete tutorial
Shift 500 commuters in a station in network sandbox
Shift 1000 commuters in a station in network sandbox
Shift 5000 commuters in a station in network sandbox
Shift 10000 commuters in a station in network sandbox
Make £100K in a station in network sandbox
Make £200K in a station in network sandbox
Complete a station with a 5 star rating in network sandbox
Complete every station in a normal network sandbox
Get a 5 star rating on every station in a normal network sandbox
Unlock all train types in one station in network sandbox
Build a lift in a station in network sandbox
Build 2 platforms in one station in network sandbox
Build 3 platforms in one station in network sandbox
Build 4 platforms in one station in network sandbox
Build 5 platforms in one station in network sandbox
Unlock all 6 carriages in network sandbox
Build platform on lowest level in network sandbox
Build a station with 5 entrances in network sandbox
Automate 5 platforms in a station in network sandbox
Get a 100% reputation in a station
Hire max number of staff in a station in network sandbox
Complete a level with 1 star in network sandbox
Fail a level in network sandbox
You killed a member of staff!
Build CCTV in network sandbox
Repair a train in network sandbox
Build a toilet in network sandbox
Assist 1000 lost commuters in network sandbox
Heal 1000 KO'd commuters in network sandbox
Collect 1000 litter in network sandbox
Mop 1000 vomits in network sandbox
Complete commute of the day
Caution 1000 commuters in network sandbox
Taser 1000 commuters in network sandbox
Empty 1000 bins in network sandbox
Kill 1000 rats with the rat prod in network sandbox
Level all attributes for a staff member to max in network sandbox
Fire a staff member in network sandbox