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