No, like 90% of video games could in theory be played 100 years from now.
If you can't answer that question, why should I trust your for 3 years? Or 10?
Here's a list of lost video games. Hard to prove it's complete of course. https://lostmediawiki.com/Category:Lost_video_games
FYI, the person you're replying to is not OP. Their answer is here: https://news.ycombinator.com/item?id=44000198
Online multiplayer games? AFAIK they’re all dead unless the server has been reverse engineered like WoW.
Offline games continue being playable only because of software/hardware emulation — it’s not a product of the game design/engine/language or anything else really.