Antivirus Survivors 2003 Professionalunofficial guide
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Legendary Installer

Legendary Installer

Legendary Installer is an achievement in Antivirus Survivors 2003 Professional.

  • Official description: Install 3 Legendary plugins
  • Global completion: 11.9% (Steam global player stats)
  • Rarity: Rare (rare) — harder than 55% of this game's achievements
  • Unlock bar: ██░░░░░░░░░░░░░░░░░░ — 11.9% of players

Where it sits

  • Progress tier: Late-game — needs a deliberate push, or a run deep into the late game (#39 of 86 by rarity)
  • Completion: 11.9% | game median 13.9%
  • Similar achievements: 19 (completion 7.8%–15.0%)
  • Type: Other

Neighbours

Guides: 112Full release (Sep 28, 2026)Verified 2026-09-28
Antivirus Survivors 2003 Professional
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