The First Contact Story Pack Add-on for Stellaris has 9 achievements.
As a Payback empire, finish what you started. Gain victory over MSI using the special Payback CB.
As a Broken Shackles empire, eradicate slavery in the galaxy, including on Pre-FTL worlds.
Convert to a Fanatic Purifier as a FotD empire and eliminate all regular empires, fallen empires and enclaves.
Get the “good ending” to the Solarpunk quest chain, with Sol as your capital system.
Research 12 pre-FTL Insight Technologies.
Intervene to save a Pre-FTL experiment from catastrophic failure, even though it puts you in breach of Galactic Law.
Have 10 colonies without ever discovering Hyperdrives.
Declare a war with a cloaked military fleet already in the primary target’s capital system.
Have at least 10 pops of your primary species on display in Alien Zoos within your empire.