Collection is a time-limited event where you collect cards from various in-game activities like:
- Competitions
- Expedition Progress
- Season Rewards
- Regatta Rewards
- Mine Competitions
- Train Loading
- And more!

Your goal is to complete card sets and unlock great rewards.

Collection Access Requirements
The Collection event and its statistics become available once the player reaches level 10 of their town.
Until this level, Collections remain locked — you won’t be able to unlock them or view progress.
The Collection feature cannot be accessed in offline mode; players must be online.