Tap the shopping cart icon on top right of your screen to enter the Shop.

Select the Great Value Pack tab.
There you can find sections including Picks of the Day, Battle Support, Gear Modification, Camp Defense, Adventure Essentials and Island Coins.

Picks of the Day will update everyday with new selection of items, with some freebies everyday as well.

Battle Support: Weapons, weapon attachments, skill books, biochips and daily consumables.

Gear Modification: Modification blueprints, Renovation Device and Survival Guides.

Camp Defense: Parts for building Camp Defending Facilities, their ammo and upgrade manuals.

Adventure Essentials: Backpacks & its materials, along with companion and mount related items.

Island Coin: Purchase Island Coins and get some crystals as bonus in the process.