The A Walk in the Park Add-on for The Surge has 10 trophies - 8 bronze and 2 silver.
Collected all audio logs found in CREO World
Defeated Carbon Cat
Defeated Carbon Cat as Iron Maus
Saved Rusty Rat
Crafted all gear sets found in CREO World
Unlocked the Rusty Spring Tower
Collected and crafted all 4 mascot heads
Defeated S&R Squad Chief Helvig
Survived rebooting the network in the Project Resolve Center
Killed all the mascots of the Popcorn Parade