58%Good matchSpaceflight Simulator
97%6k97% positive reviews, Overwhelmingly Positive across 6k reviews·Sandbox · Space Sim
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SPACE WALK is a hands-on first-person astronaut simulation where you operate an orbital station and conduct surface expeditions across the Moon.
SPACE WALK
Steam
You have been selected for participation in the ASTRA Pioneer Program, humanity’s first sustained operational presence beyond Earth. Your initial deployment will take place in lunar orbit.
From there, you will operate your own orbital station and conduct expeditions across designated sectors of the Moon’s surface.


You assume full responsibility for station operations in lunar orbit. This includes supervision of life support systems, calibration of solar arrays, execution of diagnostics, and EVA intervention when external components require direct maintenance.


Surface deployments are conducted across designated lunar sectors. Identified materials are secured and transported to orbit for processing through the ASTRA Supply Network and credit allocation.


Operations within the Pioneer Program occur under varying gravitational conditions. Artificial gravity stabilizes station interiors, vacuum introduces zero-gravity drift, and lunar surface activity is conducted under reduced gravitational force. Movement and task execution are directly affected by mass, momentum, and load.


Deployment within the Pioneer Program includes access to specialized tools and modular equipment required for station maintenance and surface activity. Effective use, transport, and configuration of issued equipment are the responsibility of the operator.


Service within the Pioneer Program includes extended isolation, hazardous environmental exposure, and risk of physical injury. With minimal interface support, operators must maintain constant visual and auditory awareness. Psychological resilience and operational discipline are required.
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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