The Kingdom End Add-on for X4: Foundations has 16 achievements.
Find the Boron (requires the Kingdom End expansion).
Negotiate an entirely satisfactory outcome (requires the Kingdom End expansion).
Discover all points of interest in Sanctuary of Darkness (requires the Kingdom End expansion).
Help Boso make a stellar discovery (requires the Kingdom End expansion).
Make your way to Kingdom End (requires the Kingdom End expansion).
Obtain a royal mandate from the Queen (requires the Kingdom End expansion).
Complete The High Road mission (requires the Kingdom End expansion).
Complete a very special delivery (requires the Kingdom End expansion).
Complete a royal errand (requires the Kingdom End expansion).
Complete all royal errands (requires the Kingdom End expansion).
Complete the Ocean of Fantasy terraforming project (requires the Kingdom End expansion).
Give the "Start Position Defence" order to a carrier.
Build a module of each type on one station.
Destroy a ship with a single shot (excluding mass traffic).
Claim any sector.
Gain access to the black market.