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SULFUR is a modern old-school action-adventure: Outsmart enemies, find treasure, improve weapons, harness powers. Delve deeper, find answers, make it end.
✓ Supported
Solo Only
Unsupported
Keyboard & Mouse
Crowdsourced campaign length, extra objectives, and 100% completion metrics
Official high-resolution media gallery (9 screenshots)






Available game editions, collector bundles, Supporter Packs, and downloadable expansions
Official downloadable expansion or add-on content for SULFUR (Steam App ID #3025640).
Official downloadable expansion or add-on content for SULFUR (Steam App ID #4268010).
Live pricing across official digital stores, historical lows, and subscription catalog availability
Honest player critiques with verified playtime and karma upvoting
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Troubleshooting guides, build recommendations and accepted solutions
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Key directors, leads, and game development studios