Campaign or Campaign mode is a game mode in FIFA Mobile that contains different challenges to earn rewards and improve your team. By playing and completing matches and skill games against teams from different countries or regions in campaign mode you will be able to unlock rewards such as coins and player cards.
Each campaign in FIFA Mobile is divided into several chapters. Completing chapters helps you to advance and gain better rewards.
Chapters in each campaign can contain several paths, some of which are optional. To complete a chapter you only need to complete the main path. By complete all the optional paths you can unlock the best rewards.