Marta is already infected at Stage 3. She vomits corrosive bile. Strategy: Do not shoot her body. Shoot the IV bags hanging above her. The antifungal fluid inside stuns her for 8 seconds. Then, use the pharmacy’s gas stove to ignite the puddle of bile. Repeat twice. Reward: Marta’s Diary (keycode: 1408) and your first Slow-Release Capsule (reduces infection by 10%, but adds +20% to the next stage’s speed).
: The primary tool for progression is the Werm . You start by infecting yourself and then move on to other characters (like Tracie or the school teacher Claire) by interacting with them in various locations.
Crouch and move behind them to perform a stealth takedown with your combat knife.
Locate the Master Keycard and escape to the surface. parasite infection game walkthrough
Sample Key Scenes (with player choices)
Safe hunting, survivor. And when you hear the whispers—whisper back.
: Use the Surgery screen to merge werms into more advanced parasites: Canal : 2 Werms. Starfish : 5 Werms + 1 Canal. Choker : 6 Werms + 1 Canal. Marta is already infected at Stage 3
I can provide a highly detailed step-by-step route or resource-saving tactics for that exact spot.
(to instantly wipe out Stage 3 infection during the finale). 5. Chapter 4: The Final Confrontation Boss Fight: Alpha Parasite (The Amalgam)
The final encounter in these games usually involves a massive, multi-stage mutation. Shoot the IV bags hanging above her
Stand near the structural concrete pillars. Wait for the boss to lower its head and charge. Dodge-roll out of the way at the last possible second. The boss will crash into the pillar, stunning itself and exposing the glowing core on its back. Fire your shotgun directly into the core. Phase 2: The Spore Cloud
Reach the Park and find the safe path.
Before diving into combat, you must understand how the parasite in your specific game operates. Most titles use one of three systems:
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