Find the choice that silently closes off a whole route

In a story with several paths, one early answer can make a whole ending impossible without the player ever being told. This entry shows how to list every option that costs the player a route, so you can warn them or move the cut later.

Why this works

A choice closes a door when the endings you could still reach afterwards are fewer than before. Comparing the two lists for every option finds each such door, and a loop back to an earlier scene reopens it, so it must be followed all the way around.

When not to use it

Wrong when closing doors is the point of the story, such as a hard choice between two loyalties. Keep the lockout, but make it a warned, meaningful loss, and look only for the ones the player could not have guessed.

In the full entry

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

Say this to your AI

Use the Spielerando entry "Find the choice that silently closes off a whole route" (read_entry choice-that-locks-out-a-route) 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