Basic Operations are mostly composed of Story missions and some Optional missions.
Special Operations are missions Sinners must request from the Window of Liberty, the missions are divided as Liquidation (Destroy an specific or specifics Elite Abductors before the time runs out), Citizen Reclamation and Retribution those objectives vary.
Showdown Operations are simple mission where the player(s) are allowed to fight an single Abductor for resources.
Practice Battles help Sinners experience the Online VS. Operations offline freely. No Rewards will be given but supplies used will be replenished.