- "The shifting sands contained inside seem to have a mind of their own."
Collect Sandboxes to unlock Sandman
- "SALE: Collect Impending Sandboxes to unlock Sandman"
Sandbox (or Sandbox Lockbox) is a lockbox included with Special Operation 18. Obtaining all the comic book covers unlocks Sandman. They are used to recruit Sandman by collecting Comic Book Covers and completing the Sandman Collection.
- Lockboxes can be purchased in the store at a cost of 1 .
- Lockboxes can be sold in the store at a price of 500 .
- Lockboxes can be opened individually at a 7% chance of obtaining a Comic Book Cover. 10 lockboxes can be opened together for a 100% chance of obtaining a comic book cover.
- Comic Book Covers - Sandbox Collection
- Armory Items (, , , )
- Consumable Items
- Deploy Drop Gear
- Unstable Iso-8