Here is the full list of all 42 Holyday City: Reloaded achievements. It takes around 200 hours to unlock all of the achievements on Windows.
City Facilities 1200 total
Reach 580 Trophies
Buy 60 Aquarium items
Obtain All the Marina Items
Obtain the Scuba Gear from the Marina
Reach Town Lvl 31 (Skyline City)
Hire the Manager "Audrey, The Mystic"
Increase your Profit Paradox to Lvl 50
Reach Town Lvl 26 (Holyday City)
Buy the 96th Upgrade
Sign a Contract with all Agents
Unlock the Airport (Reach town lvl 22)
Unlock the City Aquarium
Reach 365 Trophies
City Facilities 555 total
Buy the 36th Upgrade
Hire the Manager "Diego, the Young"
Unlock the Marina (Reach Town lvl 14)
Upgrade your Port to Lvl 20
Go max level in all Time Paradoxes in the Atomic Lab
Buy at least 1111 of each Business
Play 999 hours.
Sign your 1st Contract
Obtain The Golden Watch Prestige Item
Get your 1st Lab Profit Paradox
Do the Investment "Cooling System"
Reach 150 Trophies
Unlock the events (Reach Town lvl 5)
Play 148 hours.
Do the Investment "Scale Economy-o-meter"
Upgrade your Port to Lvl 2
Get 1 of each time paradox in the Atomic Lab
Get 1 City Facility
Buy at least 333 of each business
Buy 1 of each Business
Reach Town lvl 2
Play 24 hours.
Buy your 1st Upgrade
Hire the Manager "Jimmy, The Advertiser"
Reach 50 Trophies
Play 2 hours
Reach 10 Trophies