Single-player games like City Siege: Faction Island
Below are 11 single-player Steam games similar to City Siege: Faction Island, 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 City Siege: Faction Island page.
Ranked picks
- 1
Stratoskirmish
Single-player alternative to City Siege: Faction Island — playable solo, no multiplayer required. Shares Action with City Siege: Faction Island.
Stratoskirmish is an industrial war themed vertical shooting game with contemporary arcade feel and challenge. Deploy and control 'aerotorpedo' special weapons that can provide additional firepower or momentary safety. Experience a detailed visual presentation featuring pre-rendered graphics.
- 2
Tank Battle Royale
Single-player alternative to City Siege: Faction Island — playable solo, no multiplayer required. Shares Action and Strategy with City Siege: Faction Island.
Video game about tank battles. Fight against opponents in multiplayer or in career mode. Earn points and upgrade your tank. Unlock new levels to complete together in cooperative mode.
- 3
Tank War Shooting Simulator
Single-player alternative to City Siege: Faction Island — playable solo, no multiplayer required. Shares Action and Strategy with City Siege: Faction Island.
Experience the excitement of tank wars with the Tank War Shooting Simulator! Feel like a tank driver with realistic graphics and various game modes.
- 4
Freedom! Do or Die
Single-player alternative to City Siege: Faction Island — playable solo, no multiplayer required. Shares Action and Indie with City Siege: Faction Island.
When terrorism threatens the world there is no need to send a bunch of iconic movie heroes back from the '80s. One under-funded over-powered mercenary is all that's needed to save the world in this epic run 'n' gun destruction-fest of a homage to Broforce!
- 5
Arena Brutal
Single-player alternative to City Siege: Faction Island — playable solo, no multiplayer required. Shares Action and Indie with City Siege: Faction Island.
Shoot lead & blow heads in Arena Brutal, an action shooter that'll put your weapons proficiency to the test! You'll need to manage the uniquely simulated recoil of each gun, keep on top of ammo & avoid getting your face blown off while speeding to the exit for the highest score & the next challenge
- 6
The Cannon Fighters
Single-player alternative to City Siege: Faction Island — playable solo, no multiplayer required. Shares Action and Indie with City Siege: Faction Island.
The Cannon Fighters is an action game with fully destructible environments. Experience loads of fun alone or with friends! Randomly generated levels in various environments await you for even greater entertainment. Gain experience and show that you belong among the best!
- 7
Commando Collection
Single-player alternative to City Siege: Faction Island — playable solo, no multiplayer required. Shares Action and Indie with City Siege: Faction Island.
A reboot of classic 2D side-scrolling shooters, featuring a new Survival Mode and Workshop system. Fight as a WWII Allied soldier across diverse battlefields with imaginative weapons. Survival Mode brings fresh enemies, epic bosses, and new challenges—relive childhood memories with a twist!
- 8
Atomic City
Single-player alternative to City Siege: Faction Island — playable solo, no multiplayer required. Shares Action and Indie with City Siege: Faction Island.
Mouse-only for super simple gameplay, but the challenge ramps up. Survive waves of enemies bombing your city. Shoot 'em up!
- 9
METAL SLUG
Single-player alternative to City Siege: Faction Island — playable solo, no multiplayer required. Shares Action with City Siege: Faction Island.
“METAL SLUG ”, the very first title in SNK’s legendary 2D run & gun action shooting game series where all began, returns to the missions on the Steam gaming platform!
- 10
Bombix
Single-player alternative to City Siege: Faction Island — playable solo, no multiplayer required. Shares Action and Strategy with City Siege: Faction Island.
Do you like shooting? Then arm yourself - the world of Bombix awaits you! You will find yourself in the shoes of a small but VERY dangerous fighter, gather together a team of thugs and show 'em all how to fight!
- 11
BoomTown! Deluxe
Single-player alternative to City Siege: Faction Island — playable solo, no multiplayer required. Shares Strategy and Indie with City Siege: Faction Island.
An explosive combination of mining sim and city builder. Your dream of building your own thriving town starts with few explosive charges and a yellow truck. As you mine the landscape and the money starts to roll in you'll be able to expand your empire, buying buildings, shops and facilities.