Here is the full list of all 46 Kapital: Sparks of Revolution achievements.
Finish Campaign with noble support
Finish Campaign with bourgeois support
Finish Campaign with workers support
Finish Campaign on Hard difficulty
Complete People's Needs task
Complete Wetflu task
Complete Train Robbers task
Complete The Threat From Within task
Reach excellent nobles loyalty
Reach excellent workers loyalty
Reach maximum nobles happiness
Reach maximum bourgeois happiness
Reach maximum workers happiness
Build Marble Palace
Build Royal Palace
Repair the palace 50 times
Build 50 residential buildings in the city
Build Police Department, Police Station, Prison and Secret Service
Upgrade to maximum level Tax Service, Hospital, Market, Police Department, Prison, Secret Service and Requisition Center
Complete 10 research
Complete all fundamental research
Complete 30 innovation research
Sign 5 acts
Sign all basic acts
Sign 12 advanced acts
Solve 100 crimes
Expose 10 gangs
Conduct 30 investigations
Finish Campaign in 30 days
Overcome 3 epidemics
Carry out 20 anti-corruption operations
Conduct 20 raids
Reach population 500 citizen
Reach population 700 citizen
Reach population 1000 citizen
Improve a train to maximum level
Unlock all railroad lines
Suppress protest
Constructive Solution
Complete 50 trades on the Stock Market
Complete 20 favor tasks
Use Secret Service to eliminate a citizen
Complete 40 events
Quell 5 riots
Reach terrible loyalty of any class