by Eric Dec 30,2025
*Phasmophobia*'s Survival of the Fittest weekly challenge delivers one of the game's most terrifying experiences. Here's your survival guide for this intense trial.

Survival of the Fittest stands as one of *Phasmophobia*'s most demanding challenges, stripping players of standard investigative tools and protection. As the description indicates, you must correctly identify the ghost without traditional evidence while battling permanently low sanity.
This challenge takes place at 42 Edgefield Road, a cramped house map with narrow hallways and poor visibility that amplifies the ghost's threat. The confined spaces make ghost encounters particularly dangerous.

The challenge begins with critical limitations: standard evidence-gathering tools like Ghost Writing Books and DOTs Projectors are absent. Without these, you must rely on observational skills to analyze ghost behaviors, movement patterns, and unique characteristics.

You start with essentially no setup time and permanent zero sanity, making hunts an immediate threat. The provided Sanity Medications are useless decoration. The ghost maintains constant high activity and frequent events, while always favoring the same room.
Doors begin partially open, complicating tracking. However, the functional fuse box and nine available hiding spots offer crucial advantages during emergencies.

The singular Monkey Paw cursed possession can aid your investigation when used carefully. Wishing for knowledge will eliminate incorrect ghost types from consideration, though this comes at a dangerous cost:
This high-risk tactic works best in multiplayer, where teammates can counteract the negative effects.

Remember: full rewards require three successful completions. Simply identifying the ghost counts as completion.
Weekly Challenges refresh every Monday at Midnight UTC. North American players can access new challenges Sunday evening at:
Complete challenges before reset to receive credit.
Phasmophobia is available now on PC.
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