Single-player games like Gunbot Diplomacy
Below are 11 single-player Steam games similar to Gunbot Diplomacy, 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 Gunbot Diplomacy page.
Ranked picks
- 1
Airships: Lost Flotilla
Single-player alternative to Gunbot Diplomacy — playable solo, no multiplayer required. Shares Action and Indie with Gunbot Diplomacy.
Airships: Lost Flotilla is a steampunk autoshooter where you fight your way through waves of enemies on your way to a safe harbour. Destroy your foes, harvest wreckage, and upgrade your ship.
- 2
Slime 3K: Rise Against Despot
Single-player alternative to Gunbot Diplomacy — playable solo, no multiplayer required. Shares Action and Indie with Gunbot Diplomacy.
Welcome to Slime 3K, an unhinged roguelite bullet-heaven set in the Despot’s Game universe! Build a deck of crazy weapons, grow stronger and devour hordes of pink puny humans as a murderous jelly blob on a warpath of death, violence and pretzels.
- 3
Nautical Survival
Single-player alternative to Gunbot Diplomacy — playable solo, no multiplayer required. Shares Action and Indie with Gunbot Diplomacy.
Captain an armed sea vessel to fight off hordes of oceanic terrors! Navigate between outposts to upgrade your boat, equip powerful weapons, manage your economy and hire crew members to your aid in this unique take on the survivors-like formula.
- 4
Gunbot Diplomacy: Blast Off
Single-player alternative to Gunbot Diplomacy — playable solo, no multiplayer required. Shares Action and Indie with Gunbot Diplomacy.
Splatter slimes, massacre mutants, and assemble your perfect Gunbot! Survive the wasteland in this top-down shooter roguelite by customizing your weapons on the unique upgrade grid, and pick from tons of build-defining modules and wacky bots for a new experience every run. Prologue teaser build.
- 5
Genome Guardian
Single-player alternative to Gunbot Diplomacy — playable solo, no multiplayer required. Shares Action and Indie with Gunbot Diplomacy.
COMBINE WEAPONS in the microscopic roguelite turret shooter with macroscopic depth. Survive 6 modes using an astounding array of turrets, perks, mutations and power-ups on this psychedelic journey to the heart of the abyss. Shmup Mode turns it into a vertical shoot 'em up!
- 6
Deep Rock Galactic: Survivor
Single-player alternative to Gunbot Diplomacy — playable solo, no multiplayer required. Shares Action with Gunbot Diplomacy.
DEEP ROCK GALACTIC: SURVIVOR is a single player survivor-like auto-shooter. Take on hordes of lethal aliens, mine riches, and unlock powerful upgrades to survive, as you wield the full arsenal of Deep Rock Galactic. It's one dwarf against all of Planet Hoxxes!
- 7
Hive Jump 2: Survivors
Single-player alternative to Gunbot Diplomacy — playable solo, no multiplayer required. Shares Action and Indie with Gunbot Diplomacy.
Become an agent of vengeance in this bullet-heaven action roguelite! You are the lone survivor of your squad, on an alien planet with just your weapon, a jetpack, and the courage to keep fighting. Kill off alien swarms and transform their valuable guts into explosive upgrades and vital utilities.
- 8
Survivors of the Dawn
Single-player alternative to Gunbot Diplomacy — playable solo, no multiplayer required. Shares Action and Indie with Gunbot Diplomacy.
A roguelite horde-survival bullet heaven with QUINTILLIONS of bullets over QUINTILLIONS of hordes. Mix weapons with items, modify, control chaos at terminals and break through tightening waves.
- 9
Vampire Survivors
Single-player alternative to Gunbot Diplomacy — playable solo, no multiplayer required. Shares Action and Indie with Gunbot Diplomacy.
Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!
- 10
Brotato
Single-player alternative to Gunbot Diplomacy — playable solo, no multiplayer required. Shares Action and Indie with Gunbot Diplomacy.
Brotato is a top-down arena shooter roguelite where you play a potato wielding up to 6 weapons at a time to fight off hordes of aliens. Choose from a variety of traits and items to create unique builds and survive until help arrives.
- 11
Stirring Abyss
Single-player alternative to Gunbot Diplomacy — playable solo, no multiplayer required. Shares Indie with Gunbot Diplomacy.
Stirring Abyss is an indie tactical squad-based game with strong RPG elements in which you uncover the ancient mysteries of the depths depicted in the classic vein of Lovecraftian horror.