1: Cloud based gaming with base cheap connection over 1go in 2035
2: 8k or more affordable headsets in 2035
3: Mod based universes with with developer confirmation checklist
exept for regularly updated main story (key race for example)
4: Procedural generation of unused places, planets, buildings, with insane AI
capable of creating new art style, and npc's with very believable personnality for non user created farming or fun quests.
5: User created quests and worlds, with accessible built in tools
with option to purchase with ingame coin AI generated worlds or space, (example : minecraft servers with purchasable space)
6: directionnal treadmills are common, since VR is now in place since a long time
7: Full body tracking avatar tech is now over the top quality after years of indie and corpo dev
8: since culture is now very accessible, from very cheap super big movies and anime, or music database like Netflix, or just the internet, spotify etc.. are now practicly archive of the IRL world, everybody is part of the Oasis and don't really care about IRL life.
9: reality and VR is kinda the same, and people thinks its part of life.