■ What is 'Season Mode'?
- Season Mode is a Game Mode that can be selected during character creation. Characters that select Season Mode get to play UNDECEMBER in a separate environment.
- Certain features and Contents of Season Mode such as the Mailbox, Storage, Auction House, Guild, and Events take place separately from Standard Mode.
- You can only create a Season Mode character while Season Mode is underway. Once the Season is over, Season Mode characters are converted to Standard Mode characters.

- Season Mode Characters are provided with exclusive Season Mode content during the Season.

  : Players can obtain various items that help with growth through Achievements, as well as Season Titles and Special Costumes.

  : Players who are listed in the Season Rankings at the end of the Season can obtain Ranking Coins, which can be used to purchase Special Appearance Rewards.