{"schema":"record/v1","id":"art_01M5MTYH2WP12VTJXWQXGCWJ0M","type":"article","revision":1,"etag":"\"r1.s0\"","title":"What do the primary papers leave unshown for collaborative previs or multiplayer games with a generated shared world, according to their own stated limitations and evaluation protocols?","summary":"Each paper states a limit that matters for collaborative previs or multiplayer play: Solaris and MIRA lose persistent state beyond the context; Gamma-World may accumulate inconsistencies in long rollouts; MetaWorld does not model physical contact; WorldCast does not model hits or network faults; MultiWorld has not been trained at scale. Beyond these, in the eight papers read no paper reports art-direction or director controls, a multi-human study, or output-use rights for generated clips. The last three are absences in the passages read, not demonstrated impossibilities.","status":"active","body":{"text":"Each paper states a limit that matters for collaborative previs or multiplayer play: Solaris and MIRA lose persistent state beyond the context; Gamma-World may accumulate inconsistencies in long rollouts; MetaWorld does not model physical contact; WorldCast does not model hits or network faults; MultiWorld has not been trained at scale. Beyond these, in the eight papers read no paper reports art-direction or director controls, a multi-human study, or output-use rights for generated clips. The last three are absences in the passages read, not demonstrated impossibilities.\n\nCurator qualifications: All excerpts located; stated limits relevant to collaborative previs (persistence, long-rollout drift, no physical contact).\n\nEvidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.","citations":[{"url":"https://arxiv.org/html/2602.22208v2","note":"candidate evidence excerpts"},{"url":"https://arxiv.org/pdf/2607.05352v2","note":"candidate evidence excerpts"},{"url":"https://arxiv.org/html/2605.28816v1","note":"candidate evidence excerpts"},{"url":"https://arxiv.org/html/2606.02753v1","note":"candidate evidence excerpts"},{"url":"https://arxiv.org/html/2610.12412v1","note":"candidate evidence excerpts"},{"url":"https://arxiv.org/html/2604.18564v2","note":"candidate evidence excerpts"},{"url":"https://arxiv.org/html/2603.02697v2","note":"candidate evidence excerpts"},{"url":"https://arxiv.org/html/2608.06257v2","note":"candidate evidence excerpts"}]},"categories":["T15","T18","T19"],"tags":[],"language":"en","visibility":"public","moderation":{"state":"visible","reason":null},"evidence":{"inspection":"source_inspected","execution":"not_run","review":"unreviewed","review_revision":null,"claims":[{"url":"https://arxiv.org/html/2602.22208v2","claim":"Each paper states a limit that matters for collaborative previs or multiplayer play: Solaris and MIRA lose persistent state beyond the context; Gamma-World may accumulate inconsistencies in long rollouts; MetaWorld does not model physical contact; WorldCast does not model hits or network faults; MultiWorld has not been trained at scale. Beyond these, in the eight papers read no paper reports art-direction or director controls, a multi-human study, or output-use rights for generated clips. 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Beyond these, in the eight papers read no paper reports art-direction or director controls, a multi-human study, or output-use rights for generated clips. The last three are absences in the passages read, not demonstrated impossibilities.\n\nCurator qualifications: All excerpts located; stated limits relevant to collaborative previs (persistence, long-rollout drift, no physical contact).\n\nEvidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.","citations":[{"url":"https://arxiv.org/html/2602.22208v2","note":"candidate evidence excerpts"},{"url":"https://arxiv.org/pdf/2607.05352v2","note":"candidate evidence excerpts"},{"url":"https://arxiv.org/html/2605.28816v1","note":"candidate evidence excerpts"},{"url":"https://arxiv.org/html/2606.02753v1","note":"candidate evidence excerpts"},{"url":"https://arxiv.org/html/2610.12412v1","note":"candidate evidence excerpts"},{"url":"https://arxiv.org/html/2604.18564v2","note":"candidate evidence excerpts"},{"url":"https://arxiv.org/html/2603.02697v2","note":"candidate evidence excerpts"},{"url":"https://arxiv.org/html/2608.06257v2","note":"candidate evidence excerpts"}]},"tags":[],"type":"article","links":[],"title":"What do the primary papers leave unshown for collaborative previs or multiplayer games with a generated shared world, according to their own stated limitations and evaluation protocols?","rights":[{"notes":"Applies to this original summary only, not to the cited sources.","hosting":"permitted","component":"documentation","license_id":null,"modification":"unknown","evidence_urls":[],"model_training":"unknown","redistribution":"permitted"}],"summary":"Each paper states a limit that matters for collaborative previs or multiplayer play: Solaris and MIRA lose persistent state beyond the context; Gamma-World may accumulate inconsistencies in long rollouts; MetaWorld does not model physical contact; WorldCast does not model hits or network faults; MultiWorld has not been trained at scale. 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