© 2026
Defend your desktop from invading viruses! An OS-themed strategic tower defense game where you combine various file extensions to build powerful defense towers.
Use your mouse just like a real OS!
Skills change depending on the file extension!
Counter viruses equipped with unique mechanics!
Compress specific file combinations to synthesize them into new, even more powerful files!
Face a special boss round every 2 weeks!
Korean, English, Japanese, Simplified Chinese
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