An AI mystery game split across nine timelines
Nine alternate versions of you report the same disaster. Eight insist you must kill the ninth. Compare the evidence and find where reality first split.
Open Worldline NineFollow clues, contradictions, and consequences
Worldline Nine is a focused interactive conspiracy mystery. Each choice changes which alternate self you trust, what caused the first split, and which plan reaches the final merge.
Instead of chatting forever, you move through a complete ten-choice arc and commit to an ending with consequences for nine worlds.
A replayable detective roleplay
Trust a different timeline, challenge the observatory director, or protect the fugitive version of yourself. A new route can turn the same evidence into a different world.
Frequently asked questions
Is Worldline Nine a mystery game?
Yes. You play a temporal crisis analyst, compare conflicting reports, investigate a conspiracy, and choose which truth survives the merge.
Does the mystery have multiple outcomes?
Yes. The clues you pursue and the truth you choose affect the verdict and ending.
Is the AI mystery game free to start?
Yes. The current playable story can be started in a web browser without an upfront purchase.