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