The Murder on Eridanos Add-on for The Outer Worlds has 10 achievements worth 195 gamerscore.
Complete Murder on Eridanos on any difficulty.
Kill the Slug Queen.
Choose to either infect or cure Eridanos.
Acquire Spectrum Gatling, The Needler, and Udder Buddy.
Discover the biggest secret in the aetherwave industry.
Kill 50 Infected Humans or Parasites.
Investigate every suspect and report your findings to Administrator Ludovico.
Ask a companion to be the Bad Inspector.
Use the Discrepancy Amplifier for the first time.
Receive an invitation to Eridanos.