The A Walk in the Park Add-on for The Surge has 10 achievements worth 200 gamerscore.
Collect all audio logs found in CREO World
Defeated Carbon Cat as Iron Maus
Defeated Carbon Cat
Saved Rusty Rat
Craft all gear sets found in CREO World
Unlocked the Rusty Spring Tower
Defeated S&R Squad Chief Helvig
Survived rebooting the network in the Project Resolve Center
Collected and crafted all 4 mascot heads
Killed all the mascots of the Popcorn Parade