SYSCALL: RING ZERO

SYSCALL: RING ZERO

Reviews
Reverse-engineer a private 1990s BBS. Read disassembly, patch broken checks, optimize a nine-core rack, and write assembly firmware that locks onto live scope traces. With 200+ puzzles, full controller support and offline play, you can refine your assembly skills on all your devices!
100%Steam Reviews2 reviews
Released: Jul 2, 2026
Programming · Logic · 1990's · Hacking · Strategy
SYSCALL: RING ZERO PC Steam CD Key+2·Platform:Steam·~ $16.76-90%from~ $1.62(~ €1.45)ALL-TIME LOWSave $11.37 vs SteamBuy now
+2·Platform:Steam·United States Steam official price~ $12.99Buy now
All-time low ~ $9.09across Steam & third-party storesat the recorded all-time low
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Price History

Past 36 months · Updated daily
Historical Low~ $12.742026-07Current Low Across Stores~ $14.99Steamvs. Historical Low+18%
~ $12.57~ $13.68~ $14.78~ $15.8926-0726-0726-0826-0926-10~ $12.74

Prices cover Steam and 39 authorized stores; only legitimate offers are counted. The chart shows weekly market-wide lows and Steam's official price across the past 36 months.

Credits

Developer
Chilling Moose Games
Publisher
Chilling Moose Games · This Is Neat

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