You'd be amazed how much research you can get done when you have no life whatsoever.
Back to the Future
- The film’s opening credits are in a similar font used in the credits of Back to the Future.
- An avatar wearing Doc Brown’s futuristic outfit can be seen walking behind Wade when he finishes contacting Aech.
- Wade’s transport of choice for The Copper Key Race is the DMC-12 DeLorean from the films.
- When exiting Aech’s workshop, Artemis calls Wade "McFly."
- At Avatar Outfitters (OASIS Mall), Wade purchases a Zemeckis Cube, a Rubik’s Cube like object, referencing Back to the Future‘s director Robert Zemeckis. This object turns back time 60 seconds.
- The pink hoverboard from Back to the Future: Part II can be seen leaning against the wall in Aech’s apartment.
- Alan Silvestri's "Something’s Changed" score can be heard in multiple instances:
- When Wade uses the Zemeckis Cube.
- When Wade enters Halliday’s childhood bedroom.
- When Wade Explains The possibilities Of the OASIS he Shows us Batman Climbing Mount Everest the Variant Of Batman is the Michael Keaton Variant from the Film.
- When The Curator Projects VHS Tapes that Halliday Could of Gone to see with Kira one of them up in the air is Batman (1989).
Batman: Arkham Knight
- Nightwing is seen walking in the Oasis.
- Man-Bat is being shot by Aech at the PVP Zone.
- Wade put Oasis visor on a Joystick for Commodore 64
- Flash is seen entering the Oasis and later the final battle
- Deadshot is being shot by Aech at the PVP Zone and the final battle.
- The Joker is seen at the Distracted Globe and later at the final battle.
- Harley Queen is seen at the Distracted Globe.
Sonic The Hedgehog
- When Wade logs into the OASIS Avatars can be seen waiting in lines for Portals one of the Avatars is Sonic The Hedgehog Tapping his foot Impatiently.
- Sonic The Hedgehog can be seen Zooming Across The Battlefield then doing a Spin Dash Attack on a Sixer.
The Muppet Show
- A Kermit The Frog Plush can be seen sitting on a Box in Aech’s Apartment.
- In a Couple Of Scenes throughout the Film James Halliday can be seen wearing a Space Invaders Shirt.
- White Invader Decals From Space Invaders can be seen on the wall in Aech’s apartment.
- Child Halliday can also be seen wearing a Space Invaders Shirt.
- The Screaming Hand can be seen as a Decal on Wade’s Shirt while giving his Speech to the OASIS.
- When Wade is climbing down the Stacks he passes a Neighbour receiving a Pizza Hut Delivery.
- At the start of the film Mrs. Gilmore can be seen wearing a Synchronicity shirt.
Injustice: God Among Us
- Aquaman is seen at the final battle.
- Blue Beetle is seen at the Avatar Outfitters and later at the final battle.
Garbage Pail Kids
- A Bony Tony Card can be seen on the wall in Wade’s Van.
- Stickers from The Jim Davis Comic Strips can be seen on the wall in Wade’s Van.
- When i-R0k give Nolan the Orb of Osuvox, he gave him via the box of Gizmo from the movie.
- Stripe and several Gremlins are seen in the final battle.
Masters Of The Universe
- An Master of the Universe's lunchbox is seen in Wade's Van.
- He-Man appear at the final battle.
- Minecraft World is seen where Wade talk about the Oasis.
- Some Steve Avatar are seen walking in Minecraft World.
- A Q*bert sticker his seen in Wade's hideout
- The titular characters his seen entering the Oasis and later the Final Battle.
- Planet Cybertron is seen when Wade talk about the Oasis.
The Seventh Voyage Of Sinbad
- The Cyclops is seen entering the Oasis and later in the final battle.
The Wolf-Man (1941)
- The Wolf-Man is seen entering the Oasis and later the final battle.
- The song "Jump" is heard at the opening of the movie
- The Holy Hand Grenade of Antioch is purchased by Parzival at Avatar Outfitters for 20,000 coins, which he considers 'a steal'
- It is used by Parzival as he and Sho approach the Crystal Key challenge, wiping out numerous IOI Avatars as well as the portals they use to access the challenge (except one, which I-Rok unsuccessfully attempts to use later)
- The Jade Key challenge is set in the Overlook Hotel, the setting of Stanley Kubrick's "The Shining", retaining numerous references to the movie, while also having numerous deliberate changes for the purpose of the challenge.
- Tracer, one of the mascot characters of Overwatch makes a couple of brief cameos, in the Distracted Globe and in the final battle on Planet Doom