Single-player games like Project Nimbus: Complete Edition
Below are 10 single-player Steam games similar to Project Nimbus: Complete Edition, 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 Project Nimbus: Complete Edition page.
Ranked picks
- 1

War Tech Fighters
Single-player alternative to Project Nimbus: Complete Edition — playable solo, no multiplayer required. Shares Action with Project Nimbus: Complete Edition.
War Tech Fighters - the space action game that combines the spectacular action of Japanese Anime with Hollywood Blockbusters. Configure, upgrade and customize your War Tech and dive into battle to fight back the Zatronian forces and save your galaxy!
- 2

Strike Suit Infinity
Single-player alternative to Project Nimbus: Complete Edition — playable solo, no multiplayer required. Shares Action and Indie with Project Nimbus: Complete Edition.
Strike Suit Infinity is a frantic high score chaser set in the Strike Suit Zero universe. Your skill is the only thing that matters and whatever combat experience you've had so far is irrelevant. There is no end to the enemies you'll face. There is no winning. There is only the fight for survival.
- 3

Nimbus INFINITY
Single-player alternative to Project Nimbus: Complete Edition — playable solo, no multiplayer required. Shares Action and Indie with Project Nimbus: Complete Edition.
Nimbus INFINITY is a high-speed mech action game, set in the future of a war-torn Earth that has just begun to heal. Equip mechanical Battle Frames with weapons to customize your battle style, and soar through variant battlefields while discovering the story of a new generation.
- 4

DAEMON X MACHINA
Single-player alternative to Project Nimbus: Complete Edition — playable solo, no multiplayer required. Shares Action with Project Nimbus: Complete Edition.
Pilot your fully customizable Arsenal mech and join your fellow mercenaries in defending humanity from the corrupted machines and gigantic robots in this post-apocalyptic action game!
- 5

Astebreed: Definitive Edition
Single-player alternative to Project Nimbus: Complete Edition — playable solo, no multiplayer required. Shares Action and Indie with Project Nimbus: Complete Edition.
Climb into the cockpit of an otherworldly war machine and fly into battle against a horrifying alien race bent on eradicating humanity to preserve their own civilization.
- 6

BREAK ARTS II
Single-player alternative to Project Nimbus: Complete Edition — playable solo, no multiplayer required. Shares Action and Indie with Project Nimbus: Complete Edition.
Faster than anyone. Stronger than anyone. And more stunning. Customize your robot for “cyber battle racing” in a game that offers all the thrills of racing, battle, and customization. Online, Offline, Time-Attack... which mode will you dominate?!
- 7

Vanquish
Single-player alternative to Project Nimbus: Complete Edition — playable solo, no multiplayer required. Shares Action with Project Nimbus: Complete Edition.
PlatinumGames’ revolutionary sci-fi action shooter slide-boosts onto PC. Battle legions of future-tech enemies using a vast arsenal of weapons, including all DLC. Fully unlocked framerate and gorgeous HD resolutions up to 4K. The definitive way to play: war has accelerated.
- 8

ARMORED CORE™ VI FIRES OF RUBICON™
Single-player alternative to Project Nimbus: Complete Edition — playable solo, no multiplayer required. Shares Action with Project Nimbus: Complete Edition.
A new action game based on the concept of the ARMORED CORE series that uses the knowledge gained from FromSoftware's recent action game development.
- 9

ZONE OF THE ENDERS THE 2nd RUNNER : M∀RS / アヌビス ゾーン・オブ・エンダーズ : マーズ
Single-player alternative to Project Nimbus: Complete Edition — playable solo, no multiplayer required. Shares Action with Project Nimbus: Complete Edition.
ZONE OF THE ENDERS THE 2nd RUNNER - M∀RS Remastered in 4K and full VR. Enter Orbital Frame JEHUTY's cockpit and fly through Martian skies!
- 10

Armored
Single-player alternative to Project Nimbus: Complete Edition — playable solo, no multiplayer required. Shares Action and Indie with Project Nimbus: Complete Edition.
It's time for you to prove yourself in the management of armored vehicles. You have to perform many operations from liberating the territory to escorting VIP and battling against enemy armored vehicles.