This achievement requires only luck, since you need to find a specific Anomalous Site and successfully complete it.
*** Spoiler - click to reveal ***
On this site, you'll have a chance to play interdimensional poker with penguins. You'll be given a choice to buy in and play, or play with your life as bet.
There's a 50% chance to win.
After winning and summarizing the Anomalous Site, the achievement should pop.