Single-player games like Gun Bombers
Below are 13 single-player Steam games similar to Gun Bombers, 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 Gun Bombers page.
Ranked picks
- 1

Guns, Blocks, and Steel
Single-player alternative to Gun Bombers — playable solo, no multiplayer required. Shares Action and Indie with Gun Bombers.
A tactical multiplayer FPS created by a solo developer as a passion project. Featuring a fully destructible, block-based environment. Gather resources to produce weapons, ammo, and vehicles. Play multiplayer PVP/co-op or singleplayer with bots.
- 2

Sins of a Solar Empire II
Single-player alternative to Gun Bombers — playable solo, no multiplayer required. Shares Strategy with Gun Bombers.
Battle for galactic dominance in this real-time 4X strategy game with unrivaled scale! You’ll explore, expand, exploit, and exterminate through military force, diplomacy, trade, culture, influence, and other underhanded tactics.
- 3

Satellite Reign
Single-player alternative to Gun Bombers — playable solo, no multiplayer required. Shares Action and Strategy with Gun Bombers.
Satellite Reign is a real-time, class-based strategy game, set in an open-world cyberpunk city. You command a group of 4 agents through rain-soaked, neon-lit streets, where the law is the will of mega-corporations.
- 4

Nienix: Cosmic Warfare
Single-player alternative to Gun Bombers — playable solo, no multiplayer required. Shares Action and Indie with Gun Bombers.
Search for the legendary lost artifact Nienix through galaxies in conflict! An open world space action RPG adventure that can be played both alone and together!
- 5

FleetLord
Single-player alternative to Gun Bombers — playable solo, no multiplayer required. Shares Strategy and Indie with Gun Bombers.
A space RTS about decisions, not menus. Conquer planets, link them to fuel your war machine, and level up your empire with randomized perk cards. Crush all opposition.
- 6

TANKLE
Single-player alternative to Gun Bombers — playable solo, no multiplayer required. Shares Action and Strategy with Gun Bombers.
Tankle is an amazing action packed multiplayer or singleplayer top down shooter, you have to dodge bullets and defeat enemies to progress and grow stronger!
- 7

Age of Empires II: Definitive Edition
Single-player alternative to Gun Bombers — playable solo, no multiplayer required. Shares Strategy with Gun Bombers.
42 Civilizations, 229 Campaign Missions, Singleplayer, Co-Op, Multiplayer, In-Game Editor, Mods, Cross-play...It is good to be the king.
- 8

STELLATUM
Single-player alternative to Gun Bombers — playable solo, no multiplayer required. Shares Action and Indie with Gun Bombers.
Equip your battleship's guns, install faster engines, and increase the power of your reactor. Throw a barrage of rockets on hordes of enemy ships, burning everything in your path!
- 9

Soldat
Single-player alternative to Gun Bombers — playable solo, no multiplayer required. Shares Action and Indie with Gun Bombers.
Soldat is a unique 2D (side-view) multiplayer action game. Soldiers fight against each other in 2D battle arenas using a deadly arsenal of military weapons, across 7 default game modes.
- 10

Crimsonland
Single-player alternative to Gun Bombers — playable solo, no multiplayer required. Shares Action and Indie with Gun Bombers.
Thousands of aliens, giant spiders, mutant lizards, and more are on the attack - can you survive the onslaught? Crimsonland is a top-down shooter with a touch of RPG. Unlock over 30 weapons and over 50 perks from quirky to brutal. Complete the quest and show your skills in five survival modes.
- 11

Nuke Bomberman
Single-player alternative to Gun Bombers — playable solo, no multiplayer required. Shares Indie with Gun Bombers.
In this exciting game, you will find yourself in a maze where every step could be your last. Your task is to navigate through the twisty corridors, using bombs to blast through walls and monsters.
- 12

Tunnel of Doom
Single-player alternative to Gun Bombers — playable solo, no multiplayer required. Shares Action and Indie with Gun Bombers.
Tunnel of Doom is an action rogue-lite hybrid that mixes tower defense with melee and ranged combat gameplay. Randomly generated, every run is different as you guide Angel on a quest to rescue her husband. Gather resources, discover perks, and use what you find to battle waves of monsters.
- 13

Horde Hunters
Single-player alternative to Gun Bombers — playable solo, no multiplayer required. Shares Action with Gun Bombers.
Slay hordes of enemies on thrilling missions to save the humanity from a looming demon onslaught.