The OASIS
In Ready Player One, a massive multiplayer virtual reality game that most of humanity use on a daily basis
Virtual Reality
An artificial environment created by software that users can interact with through sight and sound
Gunters
Easter egg hunters
Haptic
(As in haptic gloves): of or relating to the sense of touch
Avatar
A figure representing a particular person in computer games. In OASIS, avatars can take on many different forms, not all of them necessarily human.
NPC
Nonplayer characters; artificial intelligence that can take on many forms.
Anorak's Almanac
Published anthology of all of James Halliday's journal entries
Canon
Any movie, book, game, song or TV show of which Halliday was known to be a fan.
Surreal Estate
Virtual real estate
Dungeons & Dragons
A fantasy tabletop roleplaying game from the 1980s.
IOI - Innovative Online Industries
The internet providers of OASIS, they looked to capitalize off of the game however possible.
Sixers
Gunters who searched for the egg for IOI.
Chat room
A room where avatars could appear and speak with each other safely
Decipher
Convert from code into a regular language.
The Cataclyst
A magical bomb that can only be used once; when detonated it would kill every avatar and NPC in the sector, including its owner
Fyndoro's Tablet of Finding
A device that allowed any avatar to be found by its user
PvP Zone
Player versus player zone, an area where avatars can fight and kill one another
Chaos Zone
A zone where both technology and magic work.