Define the primary player verb

The problem

A game pitch becomes testable when its central action is concrete.

Practical procedure

Write the main action as a verb, then connect it to a visible state change and a repeatable decision.

Worked scenario

In a routing puzzle the player moves a courier, collects cells and reaches an exit; movement changes available paths.

Acceptance check

Ask a new player to demonstrate the core action within one minute without developer coaching.

Apply the method

Use the related interactive tool to try the concept on an inspectable example. Record the starting assumptions and expected result before changing settings, then compare what the tool actually does. Where the result differs, keep the release marked experimental and document the discrepancy.

Further reading: Relevant primary technical documentation. This guide is an educational procedure, not a substitute for independent usability or compliance review.