Games like Dead Air County
Games like Dead Air County include Lethal Company, Content Warning, PEAK, Escape the Backrooms, and Five Nights at Freddy's: Secret of the Mimic. We matched them by the tags players give Dead Air County on Steam (Action Roguelike, Exploration, Action, PvE, and Action-Adventure): closest matches first, and among equally close ones the better-known games.

Lethal Company
Shared: Exploration · First-Person · Horror

Content Warning
Shared: Exploration · Action Roguelike · Horror

PEAK
Shared: Exploration · Adventure · First-Person

Escape the Backrooms
Shared: Horror · Exploration · Psychological Horror

Five Nights at Freddy's: Secret of the Mimic
Shared: Action · Exploration · Adventure

PILGRIM
Shared: Exploration · PvE · Action-Adventure

SILENT HILL: Townfall
Shared: Action · Exploration · Adventure

KLETKA
Shared: PvE · Action · Horror

Five Nights at Freddy's: Security Breach
Shared: Exploration · Horror · First-Person

Zort
Shared: Horror · PvE · Action

Backrooms: Escape Together
Shared: Horror · Exploration · Psychological Horror

A Plague Tale: Requiem
Shared: Action · Exploration · Action-Adventure

The Outlast Trials
Shared: Horror · PvE · Action

Crimson Desert Enhanced
Shared: Action · Exploration · Adventure

Resident Evil Requiem
Shared: Action · Horror · Action-Adventure

The Forest
Shared: Horror · Adventure · Action

Warhammer 40,000: Space Marine 2
Shared: Action · PvE · Adventure

Pacify
Shared: Exploration · Horror · Psychological Horror

Hamster Hunter
Shared: Exploration · Action-Adventure · 3D

Phantom Abyss
Shared: Action Roguelike · Action · Exploration

Deep Rock Galactic
Shared: PvE · Exploration · Action

Rise of the Tomb Raider™
Shared: Action · Adventure · Exploration

Total Chaos
Shared: Action · Exploration · Action-Adventure

The Beast Inside
Shared: Action · Adventure · Horror