How to create large seasonal events in games. Mech Arena case study

How to evolve from short-term thematic in-game events to large-scale 3-month seasons? How to plan seasons and their components from the general timeframe to the smallest events and offers? What path does each event take from the first idea of ​​the setting to the final launch on pro. And how to analyze the results so that the next season becomes even more exciting for players? In the report, I will tell you how we do all this for the PvP shooter Mech Arena with an audience of 50+ million players.