Project Summary
Zero-K (ZK; formerly known as Complete Annihilation and CA) is a free multi-platform open source real-time strategy computer game. Initially based on content from Total Annihilation on the open source Spring Engine, it was forked and all proprietary content replaced, and evolved into a completely new game with unique features. Among the games powered by the Spring game engine, Zero-K is particularly notable for its extensive use of Lua scripting for interface and gameplay changes/enhancements, as well as unique RTS concepts such as a flat technology tree.
In a Nutshell, Zero-K...
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has a well established, mature codebase
maintained by a large development team
with decreasing Y-O-Y commits -
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took an estimated 480 years of effort (COCOMO model)
starting with its first commit in October, 2010
ending with its most recent commit 7 days ago
Quick Reference
CC Attribution-NonCommercial-ShareAlike 3.0
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These details are provided for information only. No information here is legal advice and should not be used as such.
GNU General Public License v2.0 or later
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Commercial Use
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Distribute
Place Warranty
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Sub-License
Hold Liable
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Distribute Original
Disclose Source
Include Copyright
State Changes
Include License
These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
There are no reported vulnerabilities
Project Vulnerability Report
Security Confidence Index
Vulnerability Exposure Index
Did You Know...
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30 Day SummaryAug 26 2025 — Sep 25 2025
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12 Month SummarySep 25 2024 — Sep 25 2025
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