Antivirus Survivors 2003 Professionalunofficial guide
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Expansion Slot

Expansion Slot

Expansion Slot is an achievement in Antivirus Survivors 2003 Professional.

  • Official description: Install 450 plugins
  • Global completion: 3.2% (Steam global player stats)
  • Rarity: Legendary (legendary) — harder than 71% of this game's achievements
  • Unlock bar: █░░░░░░░░░░░░░░░░░░░ — 3.2% of players

Where it sits

  • Progress tier: Challenge tier — needs a specific target cleared, or a real difficulty spike (#25 of 86 by rarity)
  • Completion: 3.2% | game median 13.9%
  • Similar achievements: 8 (completion 2.3%–3.7%)
  • Type: Other

Neighbours

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