https://www.cnet.com/how-to/how-to-get-into-e3-2018-if-youre-an-average-joe/

Continuing an experiment from last year, the show is once again open to the public, at least in a limited way. A three-day "Gamer Pass" is available for purchase, at $249 (roughly £185 or AU$330). An early bird $149 special (roughly £110, AU$200) has already sold out. Industry attendees can generally attend for free.

The official E3 website describes the Gamer Pass like this: