The Sovereign Title update for Suzerain has 70 achievements.
Win the Rumburg war as Anton, die in it as Romus
Win the AN arbitration case on the Aureus dispute
Execute a successful strike against all three noble houses
Have one of your pipelines get sabotaged
Spread the news of UFO sightings
Make Rizian people revolt against you
Force the nobles to sign the reforms through violent means
"Deal with" Adarfo Sotelato without leaving evidence
Have Adarfo lead a revolution in Rizia
Build, expand or restore 5 or more houses of worship
Lose Zille and Pales Admin. District, lease Port of Monqiz and Caleqabiz
Fail to unify with Zille, and see its independence
Become a puppet state of Rumburg
Obtain Derdian missiles
Win Operation Golden Shield in a single phase
Fund Arufelde reparation and cleanup, invest in Zpana and renewable industry, don't expand Esqiris or import Wehlen oil
Unite every religious group under your reign, keeping each one happy
Enact every late-game theocratic decree available
Reach high production capacity in the Golden Kingdom
Crush the drug trade and enforce strong internal security
Take a major loan from Rusty, and repay it in full
Attain peak economic growth metrics in the Golden Kingdom
Launch the Porte Drazon Tourism Campaign and achieve maximum results
Form the Porte Drazon Exchange and reach the best possible stock market opening
Form the first worker-led state corporation by nationalizing and redistributing Rizian Royal Gold
Import Wehzek tobacco and distribute free cigarettes to the population
Give tax credits to businesses and stay allied with Rusty
Maintain the cultural and institutional traditions of the Kingdom throughout your entire rule
Win the Rizian Civil War
Execute both Taddeus and Lucita
Turn Manus into a war hero