Let players undo a move without letting them reroll a missed shot

Undo is a kindness in a thinking game, until someone discovers they can miss, undo, and try again until the dice are kind. Here is how to keep undo for moves but make a repeated attack give the same result, and when to close the door for good.

Why this works

Luck is only fair if it is decided before the player can take it back. Keeping the dice inside the saved game means undo brings back not just the position but the next roll too, so the same shot gives the same result and nothing special has to forbid rerolling.

When not to use it

Wrong for games with hidden information, where undoing a reveal lets the player look for free, so cut the history there. It is also too generous for games that want hard consequences, such as roguelikes, where every choice should stay.

In the full entry

• What to build, step by step
• Starting values and the reason for each
• 3 common mistakes and the fix
• 24 lines of example code with 4 checks that pass
• How your AI shows you that it works

Say this to your AI

Use the Spielerando entry "Let players undo a move without letting them reroll a missed shot" (read_entry undo-turn-without-rerolling-luck) in my game. Build it step by step, and show me how you checked that it works.

Or skip this and connect the MCP: your AI then finds all of this by itself.Connect the MCP