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About this paper

Zecong Tang, Zian Guan, Yuncheng Guo, Zhanqiu Zhang, Yiwen Guo, Bo Dai

HiSTEVE organizes long-horizon Minecraft tasks by pairing a visual controller with a planner that selects feasible subtasks and verifies progress before continuing, recovering, or replanning. The controller uses first-person visual input and keyboard-and-mouse control. In a fixed-controller comparison, the full harness raises LongBench final-goal success from 10.7% to 25.0%, while atomic scores change little; recovery and open-ended tasks remain difficult.

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