Single-player games like LETHAL SIGNAL
Below are 8 single-player Steam games similar to LETHAL SIGNAL, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like LETHAL SIGNAL page.
Ranked picks
- 1
SCP: Contain and Extract
Single-player alternative to LETHAL SIGNAL — playable solo, no multiplayer required. Shares Action with LETHAL SIGNAL.
A horror extraction shooter/creature collector unfolding in an overrun 1990s Site-19, built on rich SCP lore. Contain, extract and collect all the SCPs while surviving the evil that lurks throughout the site. Locate data, study ways to lure and trap, loot what you can and always be ready...
- 2
Lunar Drifter
Single-player alternative to LETHAL SIGNAL — playable solo, no multiplayer required. Shares Action and Indie with LETHAL SIGNAL.
Lunar Drifter is an Arcade First Person Shooter, your mission is to tear, blast, and crush an entire legion as fast as possible within the time limit. Featuring 4 playable characters with their own gimmicks and arsenal, more than 15 unique hand-crafted levels, and includes online Co-Op!
- 3
Train Party
Single-player alternative to LETHAL SIGNAL — playable solo, no multiplayer required. Shares Action with LETHAL SIGNAL.
Two trains running side by side, both full of people with guns. Grab whatever's on the floor, shoot across the gap, climb onto the roof if you're feeling brave. The track itself is out to get you: ridges, tunnels, bridges. Co-op wave survival or PvP. Try not to fall off.
- 4
SCP
Single-player alternative to LETHAL SIGNAL — playable solo, no multiplayer required. Shares Action and Indie with LETHAL SIGNAL.
Infiltrate breached SCP facilities in this tactical co-op horror extraction shooter. Survive surreal anomalies, recover forbidden intel, and escape.. or lose everything. The deeper you go, the stranger and deadlier it gets.
- 5
HAEX
Single-player alternative to LETHAL SIGNAL — playable solo, no multiplayer required. Shares Action with LETHAL SIGNAL.
An anomaly has been detected in the sub-arctic north. The science team sent to investigate has gone missing. Survive an alien-scarred wilderness solo or with up to 3 friends. Push back the mist, reshape the world, craft weapons and gear, and fight to unearth what happened.
- 6
ROTOSCOPE
Single-player alternative to LETHAL SIGNAL — playable solo, no multiplayer required. Shares Action and Indie with LETHAL SIGNAL.
ROTOSCOPE is a co-operative FPS Roguelite hoard shooter. Progress through randomly generated floors and find cards and weapons to upgrade your kit. Watch out, your enemies are constantly growing in strength
- 7
DEFECT
Single-player alternative to LETHAL SIGNAL — playable solo, no multiplayer required. Shares Action with LETHAL SIGNAL.
DEFECT is a CYBERPUNK SWAT SIM set in a destructible dystopian world. Play in Single-player, Co-op, or against others in 4v4v4v4 PvP.
- 8
Sentinel Trials
Single-player alternative to LETHAL SIGNAL — playable solo, no multiplayer required. Shares Action with LETHAL SIGNAL.
Classic round based zombie survival game inspired by old school gameplay with a fresh feel. Complete Trials, unlock weapons and perks, then hold your ground against the undead.