Extract the comic pattern
Describe the joke without using anyone's name: perhaps an object is always in the wrong place, a tiny task receives an overdramatic response, or a repeated phrase signals a twist. Make that pattern the rule. A player who recognizes the reference can enjoy the callback, while someone new can still understand the visible goal and consequence.
Write a mechanic-first prompt
Example prompt: “Create a short single-player sorting game about a very dramatic teacup that keeps wandering from its saucer. Drag the cup back whenever it slides toward one of three silly hiding spots. Return it to the saucer five times before the timer ends to finish the round. A wrong drag leaves it in place and shows a small wobble. Restart resets the timer and cup position. Use fictional objects and let the humor come from the over-serious wobble animation, not from a real person's name or private quote.” This is a proposed idea to playtest, not an existing catalogue game.
Check the joke works for an outsider
Ask one friend who knows the reference and one person who does not to try the opening. Both should understand what action to take, even if only one catches the extra meaning. If the uninformed player is lost, strengthen the goal or visual cue; if the friend does not recognize the pattern, bring the callback into the action rather than adding a long explanation.
Test one wrong move and restart to see whether the gag stays amusing after repetition. A good short joke game can deliver the punchline through the rule, then end before the same bit becomes tiring.
Questions about turning an inside joke into a game
Does the player need to know the original joke?
No. Build a clear standalone goal first, then let the shared reference add a second layer for people who recognize its pattern.
How can I keep the humor playable?
Make the funny beat happen after a readable action and give it a visible consequence. If the joke needs a paragraph of explanation, simplify the mechanic or the callback.