Single-player games like Nebula
Below are 11 single-player Steam games similar to Nebula, 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 Nebula page.
Ranked picks
- 1

Survivors of the Dawn
Single-player alternative to Nebula — playable solo, no multiplayer required. Shares Action and Indie with Nebula.
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.
- 2

Pesticide Not Required
Single-player alternative to Nebula — playable solo, no multiplayer required. Shares Action with Nebula.
Mow down countless crops and corrupt critters while crafting game-breaking builds! Pesticide Not Required is an action roguelite bullet heaven game with farming sim elements that offers a myriad of stats and special character traits to create wildly diverse run possibilities.
- 3

Time Wasters
Single-player alternative to Nebula — playable solo, no multiplayer required. Shares Action and Indie with Nebula.
Time Wasters is a space shooter bullet heaven roguelite. Equip and upgrade weapons, destroy swarms of enemies, and collect Time & Space Cubes to bend the timeline to your advantage.
- 4

Cozy Space Survivors
Single-player alternative to Nebula — playable solo, no multiplayer required. Shares Action and Indie with Nebula.
A cozy time survival roguelite in space. You steer the shippy while the shooting happens automatically. Meet cute NPCs, solve small quests, and fight quirky enemies with satisfying weapons. A shorter experience for people who don't have much time but love playing (and finishing) games.
- 5

Star Survivor
Single-player alternative to Nebula — playable solo, no multiplayer required. Shares Action and Indie with Nebula.
Star Survivor is a space-themed survival game that blends intense deckbuilding strategy. Pilot humanity's last spaceship through the vast galaxy, Unlock powerful weapon combos, collect card modules, and craft unique builds. As the enemy swarms grow denser, will you be the last one standing?
- 6

Void Scrappers
Single-player alternative to Nebula — playable solo, no multiplayer required. Shares Action with Nebula.
Blast hordes of alien ships into junk. Collect the scrap to upgrade your ship into an unstoppable force of destruction. Unlock new characters and weapons and upgrade your stats between runs.
- 7

Sektori
Single-player alternative to Nebula — playable solo, no multiplayer required. Shares Action with Nebula.
Sektori is an intense, fast paced twin-stick shooter infused with hard hitting techno music. A game where the high-adrenaline gameplay, visuals, and music come together to transport you into another state of consciousness.
- 8

Hive Jump 2: Survivors
Single-player alternative to Nebula — playable solo, no multiplayer required. Shares Action and Indie with Nebula.
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.
- 9

Vampire Survivors
Single-player alternative to Nebula — playable solo, no multiplayer required. Shares Action and Indie with Nebula.
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

Tiny Breakers Camp
Single-player alternative to Nebula — playable solo, no multiplayer required. Shares Action and Indie with Nebula.
It is time for true heroes to stop an evil invasion that is spreading across our land. Face enemies from the deepest caves and dungeons in an engaging brick-breaker style of fight. Bring peace and justice to your homeland yet again.
- 11

Snack Escort
Single-player alternative to Nebula — playable solo, no multiplayer required. Shares Indie with Nebula.
Who would’ve thought that a roguelike, card game, and tower defence could come together over a basket of food? Travel through magical lands filled with hungry creatures, collect cards and artifacts that shape your strategy with every run. Escort your food through this whimsical fantasy world.