All 99 Nights in the Forest Monsters

99 Nights in the Forest throws five unkillable monsters at players across its updates, starting with the Deer at launch in March 2025 and expanding through the Owl, the Ram, the Bat, and the Cat.

Each one has a chance to replace the Deer on a given night depending on which biome is active, and each fights differently, so learning their patterns matters.

In this article, we'll explore every monster in 99 Nights in the Forest, when each one was added, how they attack and behave, and the best ways to counter them.

The Monsters

Here's a quick look at all five before getting into how each one behaves.

All five are immortal, so none of them can be killed, only stunned or avoided. What separates them is how they detect you and how you counter each one, as covered below.

The Deer

The Deer has hunted players since the game's March 2025 launch. It's immortal, chases anyone too far from the campfire at night, and speeds up the longer it pursues you, dealing 25 or more damage that scales with day count. On hungry nights, its eyes turn red, and it resists flashlight stuns.

Stun it with a flashlight, though each use shortens the next stun, or sprint back to the campfire's safe zone, which it won't enter unless the fire is out. It also locks onto one player at a time and struggles to path around trees.

The Owl

The Owl joined on August 8, 2025, and mainly stalks the snow biome, though it can appear in the forest and has a chance to replace the Deer for the night. It deals 25 or more damage at walk speed 45, and runs on a stillness mechanic; a detection meter fills if you move while it's watching.

Freeze the moment the meter appears and wait it out rather than sneaking away. If it turns hostile and gives chase, the same flashlight stun and campfire safe zone that work on the Deer apply here too.

The Ram

The Ram arrived September 20, 2025, in the Volcanic Biome Part 2 update, roaming the volcanic biome and forest with a chance to replace the Deer. It deals 25 or more damage at a walk speed of 45, and charges by pausing, then rushing forward, knocking down trees in its path.

The charge is telegraphed by that pause, so dodging comes down to stepping sideways before it closes in. Outside of the charge, the usual flashlight stun and campfire safe zone work the same as against the Deer and Owl.

The Bat

The Bat was teased November 15, 2025, and released November 22, 2025, in the Something is Coming update, found only in the Bat Cave and active at any time of day. It's blind, patrols a fixed path, and builds a screech meter ending in a shockwave that damages and blurs vision.

Flashlights don't work on the Bat, so the counter is positioning and staying quiet. Watch for its warning cue, break line of sight using cave structures before it screeches, and clear any shadow cultists it summons.

The Cat

The Cat is the newest monster, released March 7, 2026, in the Jungle Biome Part 2 update, appearing in the jungle biome and forest with a chance to replace the Deer. It swipes at melee range, has a long-range pounce marked by a red landing circle, and resists flashlight and torch stuns.

Watch the ground, not the Cat, and move perpendicular to the red circle instead of running straight. Walls and structures can block its path where light can't, and the campfire safe zone works as a last resort.

Final Words

Five monsters now roam 99 Nights in the Forest, and while they all share the same core rule of being immortal, each one asks for a different response. The Deer rewards keeping the fire fed and your flashlight charged, and the Owl and the Bat both punish movement or noise at the wrong moment.

The Ram and the Cat both come down to reading a telegraph and moving out of the way in time, though the Cat adds the wrinkle of light not working on it at all; learning each one individually turns a random night encounter from a guaranteed death into a close call you can walk away from.