Plan and test game mechanics

A mechanic needs an observable rule: an action, a change in state and feedback to the player. Before adding more systems, test whether the first action, win condition and restart work together. The existing guides below provide the starting workflow and debugging checks.

Open Mechanics collection ↗

Prepare a game for publishing

Publishing starts with a game that can be tested, understood and maintained. Check the available creator controls, audience settings and safety requirements before a release. Use the publishing guide for the sequence, and the troubleshooting guide for an actual blocked step.

Open Publish collection ↗

BC-0268 · TROUBLESHOOTING

Editorial review 2026-09-27

Roblox Build Safety Check Failed

Support describes a safety check after the Publish action and directs creators to address a displayed issue before trying again. Link the notice to the actual affected content, confirm the revision appears in the game, and keep an unresolved or unclear notice separate from a completed fix.

Symptom

A publishing safety check returns an issue that must be addressed before retrying.

Immediate action

Preserve the notice and map it to the actual affected content before changing anything.

Diagnostic branches

The affected content is identifiable.: Make a scoped compliant revision and verify its actual result.
The requested revision has not appeared.: Resolve that content mismatch before treating the safety issue as fixed.
The notice remains unclear.: Use official guidance and retain uncertainty rather than repeatedly guessing at hidden rules.

Least-destructive change

Correct the identified problem without replacing the entire project or disguising unchanged content.

Retest

The affected content actually reflects the intended revision.
Connected labels and outcomes do not preserve the same unresolved issue.
The result of a later legitimate check is recorded without an acceptance promise.

Escalation

Use the official route appropriate to an unresolved notice; if the game was removed after publication, follow the moderation and appeal guide instead.

Working notes

Turn the notice into a narrow remediation record: identified scene, text, asset or behavior; what the notice says; intended compliant change; evidence that the change is present. Do not invent a more specific policy allegation than the notice provides.

Inspect the result of the revision rather than treating a successful chat response as proof. Removing a reference from the prompt does not establish that generated dialogue or imagery changed. Review the identified surface and any directly connected representation without deliberately reproducing harmful content.

A requested change may affect game meaning. Replacing a restricted reward structure, for example, needs the actual interaction and outcome revised, not merely a neutral label. Preserve unrelated working mechanics only where they remain compatible with the corrected design.

When the notice is unclear, keep it intact and use official guidance before speculative repeated submissions. There is no universal approval duration or promise that a compliant-looking revision will be accepted. A post-publication removal belongs to the moderation-notice workflow, not this pre-release result.

Examples

Remediation record: notice identifies a text element; proposed replacement is written; current game still shows the old text. The revision is not verified and another identical publish attempt does not answer that gap.
Substantive correction: the warning concerns what an interaction rewards. Renaming its button leaves the same behavior, so inspect and change the actual reward relationship where required.