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