As the description says, only the mc experiences a game. Of course, a good plot is preferred. The setting can be modern or ancient, doesn't matter. Only example I can think of is I'm Really A Superstar. but don't take that as a reference for what I'm looking for.
This World Is a Game, but Only I Know Real de Level-age shitara Hobo Cheat na Jinsei ni Natta Invincible Leveling King Webcomic - The Gamer
The Experimental Log of the Crazy Lich ~ As far as I know the MC is the only one experiencing it as a game. Loads of humor and plot-twists, and has been having awesome update rate recently.
God of Cooking counts in my opinion. Really good. I highly recommend it. Be warned, it can make you hungry.
Dungeon Defense, The Amber Sword. They play the game, gets transmigrated into it. Unless you're looking for 1p virtual reality. If so I got nothing. Kuma Kuma Kuma Bear girls gets transported into a game she's playing. Duke's daughter's common sense a girl gets placed into a jap dating game but isn't the usual fall in love and knowing the plot type of story.
Godly Thief Incarnation The Almighty Martial Arts System Bringing there farm to live in other world Hail the King Single Player Only
Yo that cover is Arthas from Warcraft man, hide your posters hide your wives they be taking all kinds of shit to put up in front of their covers. But seriously that is Arthas is that the actual cover on the site? I know it says qidian but how can they just steal cover art like that man. Thread related now, I'd say try Re:Monster which maybe you have already heard about but its kind of a diary style novel where the MC has some very game like elements.