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Limits

These come from how Fortnite islands work, for every creator. GroundZero works inside them.

Nothing leaves your island while people play​

A published island can't talk to outside servers. So:

  • missions are counted, saved and shown inside your island, on Fortnite's servers;
  • GroundZero never receives anything about your players;
  • a season can't be changed from outside while it runs.

Changes come with an island update​

Your season is part of your island. A new season, or a change to one, reaches players when you publish an update, which goes through Fortnite's usual review (allow about a day). The season's schedule (daily and weekly rotations) runs by itself in between.

Saved progress has a size limit​

Fortnite gives each island a small amount of saved data per player, and up to four saved variables, shared between GroundZero and your own Verse. GroundZero uses two. If your own Verse saves player data too, use at most the other two.

What missions can't count​

Fortnite doesn't tell island code:

  • finishing position (placement);
  • assists;
  • which weapon type got an elimination;
  • emotes;
  • shots fired (so no accuracy);
  • anything about the Battle Royale bus.

Missions can only use these if a device on your island reports them (What missions can count).

Fortnite's quest log​

Since Fortnite 43.00, islands can show quests in Fortnite's own Quests tab and still be published. GroundZero can show your missions there, or on its own on-screen HUD (the default). See Where missions show.

In this early test​

  • Fortnite XP for completed missions: Coming (through Fortnite's Accolades devices).
  • One player has been tested at a time so far; sessions with several players are being tested now.
  • Player progress may reset when you install a newer GroundZero version.