There's a PC game called "Suck Up!" where you play as a vampire trying to trick people into inviting you into their home so you can feed off them. All the NPCs are powered by an LLM and the game is all about using actual persuasive speech to appeal to their different personalities to convince them to let you in.

LLMs would have to first be natural conversational experience.

Let's see:

0. What conversation? Current LLMs don't really sound like conversation.

1. Running LLMs in real time for NPC conversation is a no no because they don't have extra cpu/gpu time for that, they need to have 8k ultra HDR at 240 fps.

2. Even if they did, to have a 'natural' conversation experience they'd have to ask their players to ... type text into the game. The tendency is to remove even text based predefined options and replace them with icons - see Fallout 4.

3. Even if they somehow got past 1 and 2, that would mean user generated content into the game and you'll soon see screenshots online of people playing the latest open world rpg thingy and generating furry porn inside it without any mods. That's not wholesome family fun, only violence is.

4. But don't worry, they will use LLMs to pregenerate bland content and stuff it in every corner of the world. If we're lucky, maybe they'll even human check it before release.

That being said, I'd enjoy a new generation of text adventure games that don't have you guess at what the parser can understand. But just the parser for my input.