Write the prompt around a playable rule
The prompt provides a familiar logic rule and clear interaction. A solved example can teach the objective, while conflict outlines let players learn from mistakes. Use distinct shapes and patterns as well as hues. Keep the first grid small enough to reason through, then add one more row only after players understand row and column constraints.
Original concept prompt: “Create a grid puzzle with three symbols: circle, triangle and square. Each row and column must contain one of each. Tap a blank cell to cycle through symbols; a subtle outline marks a valid choice and a crossed outline marks a conflict. Show one solved example before the first playable grid.” This is a recipe for an idea, not a claim that this exact game is already playable.
Play, observe and refine one thing at a time
Complete the sample and verify that every row and column follows the rule. Try entering a conflicting symbol and check that feedback appears without obscuring the rest of the board. If players cannot infer the rule, make the example more explicit. If a puzzle has multiple valid completions, decide whether that is intended and accept each solution.
Increase challenge by removing some starting clues, not by changing the meaning of symbols. Test a puzzle with a known solution before generating more. If valid-choice highlighting makes the puzzle too easy, reserve it as an optional hint. Make sure the tap cycle is predictable and that players can correct a previous entry without restarting.
Do not require reading colour distinctions or hidden conventions. Keep the symbol set small and the rule stable. If feedback marks conflicts but not why, give a short explanation or highlight the relevant row and column so players can learn the constraint.
Playable reference for this prompt: Pour. Tap a tube then another to pour its top liquid layers across, sorting every colour into its own tube before the level's move budget runs out. Use this example to compare the proposed rules with a game you can try now. For your version, use this check: Can a wordless puzzle still teach its rules?
Questions about visual puzzle game prompt
Can a wordless puzzle still teach its rules?
Use a solved example and consistent visual feedback. Test whether someone unfamiliar with the puzzle can infer the row and column rule before making several guesses.
Should a conflict depend on color?
No. A crossed outline or another shape cue should distinguish a conflict from a valid placement, even when the highlight colors are hard to distinguish.