[Submitted on 8 Sep 2026]
Title:Valerant: An Automatic Navigable Game Map Generator via Action-Conditioned World Model Exploration
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Abstract:World Action Models (WAMs) couple predictive world modeling with action generation, allowing anticipated future states to guide agent behavior. Although WAMs are rapidly advancing embodied AI, general-purpose counterparts remain largely unexplored in games. Existing game-oriented approaches often combine action-conditioned world models with external policies and reward functions to realize WAM-like decision-making, yet they operate mainly in 2D visual observation space and do not instantiate persistent 3D geometry. Extending this paradigm to 3D games introduces a distinct challenge. In autonomous driving and robotics, the physical environment exists independently of the model, providing a persistent 3D world in which selected actions can be executed. Games have no such external substrate; the virtual world itself must be instantiated. Most playable games require a persistent and navigable space, while 3D games additionally require explicit geometry that supports movement and interaction. Action-conditioned video rollouts provide visual observations but not this spatial representation. We present \textsc{Valerant}, a training-free framework that transforms a pretrained action-conditioned world model into a WAM for exploring and constructing 3D game maps. By coupling predictive visual rollouts with SLAM-based spatial reconstruction and exploration-driven action selection, \textsc{Valerant} progressively transforms a single image into a persistent 3D game map. This framework extends WAM-based interaction beyond 2D visual simulation and offers a new approach to reducing manual effort in 3D game-map creation.
Subjects:
Artificial Intelligence (cs.AI)
Cite as: arXiv:2609.09418 [cs.AI]
(or arXiv:2609.09418v1 [cs.AI] for this version)
https://doi.org/10.48550/arXiv.2609.09418
arXiv-issued DOI via DataCite (pending registration)
Submission history
From: Yiran Qiao [view email] [v1] Tue, 8 Sep 2026 20:17:48 UTC (3,650 KB)
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