Team Fortress 2: The promotional item
Doublecross-Comm from
Tom Clancy's Ghost Recon: Future Soldier feauters a description: This battlefield awareness bandanna is stitched with nanofibers that can download battlefields from Wikipedia straight to your face, so you will never not be aware of them.
2015
Call of Duty: Black Ops III: Omnipedia available in campaign strongly resembles Wikipedia's design, showing in-game lore.