99 Nights in the Forest99 Nights in the Forest
Corruption Scanner

Corruption Scanner

ToolUtility
Category
Tool
Subcategory
Utility
Obtaining Methods
1
Added At
2026-01-31

Corruption Scanner is a Tool item in the Utility subcategory. This item can be obtained through crafting. It has usage mechanics. You can read about three usage tips and discover three interesting facts and trivia about this item.

Description

Corruption Scanner is the Corruption Scanner is an essential utility device exclusive to Hard Mode, likely built from the Research Monitor blueprint. Its primary function is to pinpoint the exact location of Rifts in the forest, allowing players to efficiently navigate to and cleanse these corrupted areas, making it a vital tool for managing the relentless corruption level.

Item Details & Mechanics

Mechanics:

Usage:
Functions as a placeable monitoring station at the campfire. Once built, the Corruption Scanner displays the location of active Rifts on the map or provides a directional indicator, allowing players to navigate directly to them. It may also display the current Corruption Level and active debuffs.

Obtaining Methods1 method

Method 1
First, Hard Mode must be activated (Research Outpost lever before Day 3 ends). Then, the 'Research Monitor Blueprint' must be obtained from the chest in the Research Outpost. The Corruption Scanner is then crafted using this blueprint.

Usage Tips3 tips

Tip 1

Place the Corruption Scanner at your main base to have a constant, centralized hub for tracking Rift activity.

Tip 2

Use the information from the Corruption Scanner to plan targeted strikes on Rifts, using a Corrupted Axe to quickly clear corrupted trees and reduce the overall Corruption Level.

Tip 3

When corruption is high and debuffs are active, use the Scanner to systematically find and close all Rifts to alleviate the negative effects like accelerated food decay.

Trivia3 facts

Fact 1

This tool is not a 'Corrupted Tool' and does not cause any corruption buildup, making it a purely beneficial utility item without any risk.

Fact 2

While the official craftable item might be the 'Research Monitor', the player community widely refers to it as the 'Corruption Scanner' due to its primary function.

Fact 3

The Corruption Scanner was introduced in the Corrupted Tools update on January 31, 2026.