Limited Time Modes

Limited Time Modes or LTMs are a type of playlist available in Fortnite: Battle Royale. They often add a unique twist to the default game mode, and are sometimes added as permanent modes due to popularity.

This list does not contain Live Events, Permanent modes, Arena, or Randomized playlists like Operation: Snowdown.

Description
Limited Time Modes are playlists that add a unique change to the Standard 100 player Battle Royale, or alternatively Team Rumble formula. Some modes change up the accessible Loot Pool, such as Unvaulted, and others change the formula entirely such as Air Royale.

Limited Time Modes can exist in the game for anywhere between a few hours, or an entire season. Later on in the season, other Limited Time Modes unrelated to the existing season begin to cycle.

List of Battle Royale Based Modes
These modes are based on the existing Battle Royale formula, and require the player to eliminate all other members of enemy squads. The next list of modes are similar, but have much larger squad numbers. The next list of modes are similar, but allow the player to respawn.

List of Team Rumble Based Modes
These modes are based on the existing Team Rumble formula, with two teams, and respawns enabled, fighting for a goal aside from eliminating every enemy squad.

List of Modes with Multiple Rounds
These modes are have multiple rounds and / or use a Tournament style system.

List of Cooperative Modes
These modes are unique in that they encourage cooperative play amongst players.

List Creative Based Modes
These modes are Creative modes, officially included in the playlists for Fortnite: Battle Royale.

List of Spy Games Modes
These Modes function similar to other Modes, but are all related to the Spy Games concept.

Playground
Playground was the predecessor to Battle Lab. It functioned much the same, although did not contain many of the customization features that Battle Lab does. It also had a shorter duration to play in. Modes temporaires

Trivia

 * Team Rumble was originally an LTM, but was incorporated as a permanent mode as of Season 9.
 * Trios was originally an LTM (as a permanent Arena mode), but was incorporated as a permanent mode as of Chapter 2: Season 5.