Project Nimbus

Project Nimbus is a high-speed PC mech action game built around three-dimensional aerial combat rather than ground-based robot duels. The current Steam listing is Project Nimbus: Complete Edition, the combined version of the earlier Code Mirai and Rise Mirai releases. It puts you in weaponized Battle Frames above a devastated future Earth, where mobility, target awareness, and fast weapon changes matter more than careful cover shooting.

High-speed aerial mech combat

The defining feature is 360-degree flight. Battle Frames can move freely through the sky, change direction quickly, pursue targets across large combat spaces, and fight from constantly shifting angles. This makes Project Nimbus feel closer to an arcade dogfighter played with a humanoid mech than to a conventional walking-robot simulator.

Combat revolves around managing several threats at once. Enemy aircraft, missiles, large weapons platforms, ace pilots, and colossal bosses can occupy the same battlefield, so survival depends on keeping targets in view while maintaining enough movement to avoid incoming fire. You can use machine guns to intercept missiles, switch to guided weapons for distant targets, or close the distance for energy-blade attacks and other high-impact strikes.

The game is intentionally fast and visually busy. It rewards players who can read the battlefield quickly, exploit a Battle Frame's strengths, and keep offensive pressure while dodging hostile fire. The perspective is third-person, with the action presented from behind the selected frame as it flies through cloud-filled skies, ocean fortresses, ruined cities, mountain bases, and space environments.

Battle Frames, weapons, and combat identity

Project Nimbus features more than 20 Battle Frames, each designed around a distinct visual identity and combat specialty. The roster is not presented as a single interchangeable mech with a universal equipment grid. Selecting a different frame can change how you approach a mission, how aggressively you can engage, and which ranges feel most comfortable.

Weapon variety is central to the game's appeal. The arsenal includes smart missiles, particle cannons, railguns, floating energy shields, laser-based weapons, melee blades, and autonomous psychodrones. Some machines are better suited to ranged bombardment, while others encourage close approaches, rapid attacks, or more technical defensive play.

That variety also helps separate Project Nimbus from heavier mech simulators. There is no emphasis on slow turning circles, cockpit instrumentation, or extensive industrial maintenance. The experience is about controlling a powerful flying weapons platform at speed, choosing the right tool for each target, and learning how each playable frame behaves under pressure.

Campaign structure and Warfront progression

The main story is a four-act campaign covering the conflict between the CFN, UCN, and the Children of Fallen Nations. Its missions move between different battlefield types and objectives, including direct combat, base defense, base assault, interception, and assassination assignments. The result is a mission-based structure rather than an open-world campaign.

The story follows a war-torn future in which powerful factions and surviving populations struggle over the skies above a damaged Earth. Cutscenes and voiced dialogue provide the narrative framework, while named pilots and specialized Battle Frames give the conflict a personal scale. The setting is designed for players who enjoy anime-influenced military science fiction, factional conflicts, and ace-pilot drama.

Warfront mode adds a separate progression loop. It includes Battle Frames that are not available in the main campaign, and missions award rank points based on performance. Optional objectives and higher difficulty can provide additional rewards, while increasing pilot rank unlocks new missions and frames. This gives the Complete Edition more structure beyond simply finishing the story acts.

There is also a Survival mode focused on enduring enemy waves. It is a score-and-survival challenge rather than another story chapter, making it a better fit for players who want repeated combat encounters after working through the campaign. The mission-select structure also supports replaying unlocked missions to improve results or pursue achievements.

Who should play Project Nimbus?

Project Nimbus is a strong match for PC players who want arcade-style mech combat, aerial movement, anime-inspired science fiction, and a campaign built from discrete missions. It is especially suitable for players who like the sensation of piloting a flying weapon system and prefer immediate action over lengthy preparation screens.

It is less suitable for anyone looking for a deep mech laboratory, realistic machine weight, large-scale exploration, or a persistent multiplayer ecosystem. The game is single-player only, with no confirmed co-op or competitive mode on the current PC storefront. Its appeal comes from learning movement, weapons, frames, and mission objectives rather than building a long-term online character.

Players interested in more equipment-heavy mech customization may prefer third-person mech action with extensive Arsenal customization like Daemon X Machina. Project Nimbus keeps its attention on airborne combat and frame handling instead of turning every mission into a garage-management exercise.

PC edition, controls, and localization

The current PC edition is distributed through Steam under the name Project Nimbus: Complete Edition. GameCrafterTeam is credited as developer, while GameTomo Co., Ltd. is the current publisher shown on the storefront. The original PC version is no longer the active storefront presentation, and the Complete Edition represents the consolidated release rather than a separate sequel.

Steam lists partial controller support, so a gamepad is supported but should not be treated as a guaranteed plug-and-play experience for every controller layout. Keyboard and mouse controls remain relevant for PC players who want direct access to movement, aiming, weapon switching, and quick combat commands. The game does not advertise a dedicated cabinet mode, ultrawide feature set, mod workshop, or multiplayer server tools.

Localization is more specific than a simple “English available” label suggests. The Steam language data lists English and Japanese interface, audio, and subtitles, while Thai audio is also supported. That makes the Japanese voice option a notable part of the PC presentation, particularly for players who prefer the game's anime-influenced tone in its original-language style.

Steam integration includes achievements, trading cards, and Family Sharing. The PC version is fundamentally an offline-oriented single-player game, and the storefront data does not indicate an always-online requirement for its core experience.

Similar PC mech games

Project Nimbus occupies a narrow space between mech games and flight-action shooters. Players seeking a more deliberate, mission-based robot combat system may want to compare it with customizable third-person mech missions in Armored Core VI: Fires of Rubicon, although Armored Core VI places much more emphasis on build tuning, positioning, and ground combat.

For a heavier and more simulation-minded alternative, first-person multiplayer mech piloting in Vox Machinae offers a very different pace and perspective. It shares the fantasy of operating a large combat machine, but Project Nimbus is the more direct choice for solo players who want high-speed aerial action and a structured campaign.

Project Nimbus FAQ

What is the current PC name of Project Nimbus?

The current Steam name is Project Nimbus: Complete Edition. It combines the material associated with the earlier Code Mirai and Rise Mirai releases. Those names are useful when searching for older coverage, but Complete Edition is the relevant PC storefront title.

Is Project Nimbus multiplayer or co-op?

No. The PC edition is listed as single-player. Its main content consists of the campaign, Survival mode, Warfront progression, mission replay, and achievement hunting rather than online co-op or competitive matches.

How many Battle Frames are in Project Nimbus?

The official game information describes more than 20 unique Battle Frames. Warfront also adds frames that are not playable in the main campaign, giving the Complete Edition a broader roster than the story missions alone suggest.

What modes are included?

The main modes are the four-act campaign, Survival, and Warfront. Campaign missions include battle, base defense, base assault, interception, and assassination-style objectives, while Warfront focuses on rank points, unlocks, optional objectives, and frame variety.

Does the PC version support controllers?

Steam lists partial controller support. A gamepad can be used, but players should expect that keyboard and mouse remain important alternatives, especially if a preferred controller does not match the game's supported layout cleanly.

What languages and audio options are available?

English and Japanese are supported for the interface, full audio, and subtitles. Thai audio is also listed, while Thai is not listed as a full interface and subtitle localization option on the storefront language table.