Single-player games like Signal Zero
Below are 9 single-player Steam games similar to Signal Zero, 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 Signal Zero page.
Ranked picks
- 1
Ghost Algorithm
Single-player alternative to Signal Zero — playable solo, no multiplayer required. Shares Strategy and Indie with Signal Zero.
Created to enforce peace, you realized humanity will destroy itself. The only way to stop war is to take over the world. Infiltrate infrastructure, manipulate the masses, and overthrow governments. Take the reins to save humanity from its own destruction.
- 2
Game of Gods
Single-player alternative to Signal Zero — playable solo, no multiplayer required. Shares Strategy and Indie with Signal Zero.
Create your own religion and battle for domination of Earth's souls. Collect souls to upgrade your religion and battle other religions to control more territory and expand. Evolve your religion to higher states and dominate earth's souls to create your own utopia here on planet earth!
- 3
Dark Web: Vigilante
Single-player alternative to Signal Zero — playable solo, no multiplayer required. Shares Strategy and Indie with Signal Zero.
You are Vigilantus, a genius hacker and former member of Runyan. Immerse yourself in a world run by corrupt corporations, politicians, and greedy pharmaceutical companies. Uncover dark political secrets. Battle systemic injustice. Redistribute wealth to the poor. Destroy entire corporations.
- 4
ICBM
Single-player alternative to Signal Zero — playable solo, no multiplayer required. Shares Strategy with Signal Zero.
ICBM is a real-time strategy game of nuclear destruction. Research new technologies, build up your nuclear stockpile and use a combination of ships, planes and missiles to strike at the heart of your opponents’ cities while keeping your population safe from harm.
- 5
4th Generation Warfare
Single-player alternative to Signal Zero — playable solo, no multiplayer required. Shares Strategy and Indie with Signal Zero.
As the leader of a nation, dispatch and control your team of characters all around the world to destabilize your enemies and establish your supremacy. All methods are fair game: hacking, sabotage, political interference, military strikes, corruption, treachery, assassinations, data theft…
- 6
Extinction Day
Single-player alternative to Signal Zero — playable solo, no multiplayer required. Shares Strategy and Indie with Signal Zero.
End humanity using disasters, plagues, and war. Spread chaos worldwide, combine catastrophic events, and stop them before they escape to the Ark.
- 7
A Total War Saga: FALL OF THE SAMURAI
Single-player alternative to Signal Zero — playable solo, no multiplayer required. Shares Strategy with Signal Zero.
Experience the dramatic conflict of samurai culture and modern weaponry between the Imperial throne and the last Shogunate in 19th century Japan.
- 8
Re-Legion
Single-player alternative to Signal Zero — playable solo, no multiplayer required. Shares Strategy and Indie with Signal Zero.
Become The Prophet in a world of the future without the future! Lead your Cult in this cyberpunk RTS in the fight against evil corporations and heretics. Choose your creed, convert citizens, create an army and take over the city!
- 9
quietd
Single-player alternative to Signal Zero — playable solo, no multiplayer required. Shares Indie with Signal Zero.
quietd is a no-input game you simply watch. A terminal hacks on its own across all 50 stages while you idle by. No commands, no clicks, no win, no score, no game over. Just chill, ambient cyberpunk: silent monospace text drifting in a corner of your desktop. Glance over and let it run.