CastleStorm

CastleStorm on PC is a side-on action-strategy game that combines 2D physics destruction, tower defense, real-time tactics, and medieval brawling. Steam still lists the base game under the original name CastleStorm; there is no verified storefront rebrand. The separately sold CastleStorm Complete Edition is a bundle containing the base game and two expansions, while CastleStorm II is a distinct sequel rather than a renamed edition.

Developed and published by Zen Studios, CastleStorm is built around short, objective-driven battles between Knights and Vikings. It is aimed at players who want direct control over the battlefield instead of a traditional hands-off RTS, with artillery aiming, troop deployment, resource decisions, spells, and castle construction all competing for attention.

How CastleStorm plays

Each battle takes place across a single horizontal battlefield with both castles visible at opposite ends. You defend your own stronghold while damaging the enemy structure, stopping advancing troops, and completing the conditions attached to the current scenario.

The central loop mixes ballista aiming with real-time command. You can fire medieval projectiles at enemy soldiers, castle sections, or airborne targets, then send ground forces through the lanes to pressure the opposing gate. The artillery is deliberately physical: trajectory, timing, impact point, and collateral damage matter more than simply selecting a target.

CastleStorm does not reduce every mission to “destroy the enemy castle.” Victory can come from capturing the flag, demolishing key structures, surviving an assault, or completing another level-specific objective. Multiple objectives provide additional rewards and encourage experimentation rather than one universal strategy.

Troops, spells, and battlefield control

Ground combat gives the defensive layer a constant tactical problem. Swordsmen, knights, donkey riders, and other troop classes advance toward the opposing castle, fight enemy units, and help protect your own gates. The strongest attack is usually a coordinated push rather than a single unit type sent forward repeatedly.

Spells add another timing layer. They can support friendly troops, disrupt enemy formations, or change the momentum of a fight when artillery alone is not enough. Weapons, troop classes, and magical abilities become available as you progress, gradually expanding the number of possible battlefield combinations.

Resources are tied to the castle design and the battle plan. Your construction choices influence which troops and resources are available during a match, so the editor is not only cosmetic. A fortress arranged for aggressive deployment will play differently from one designed around defensive sustain, artillery access, or a specific unit mix.

Players who enjoy a more conventional fantasy tower-defense structure may also appreciate action-focused tower defense games such as Dungeon Defenders: Awakened, although CastleStorm places much more emphasis on attacking the opponent’s castle directly.

The castle editor matters

The custom castle editor is one of CastleStorm’s defining systems. You assemble a fortress from rooms and structures, then use that layout in battle. The arrangement determines practical access to units, defensive capabilities, and resource functions, making castle design part of the strategy rather than a separate building toy.

A custom castle should be judged by how it performs under pressure. A layout that looks impressive can still expose important rooms or create inefficient deployment choices. Testing and refining the design is especially useful before competitive matches, where a weak internal structure can undermine an otherwise strong army.

This construction-and-defense relationship gives CastleStorm a different rhythm from standard RTS games. You are not managing a large map filled with workers and production queues. Instead, you are shaping one compact fortress and making rapid decisions inside a tightly bounded battle space.

Campaigns, modes, and paid content

The base game includes a story-driven solo campaign following Sir Gareth and the conflict between the kingdom’s forces and the Vikings. The campaign introduces weapons, troop classes, spells, and objectives through a sequence of focused scenarios set across twelve environments.

Beyond the campaign, CastleStorm includes competitive and cooperative play. The official feature set covers 1-versus-1 split-screen battles, online multiplayer, and cooperative modes. Survival Co-op divides responsibilities between two players, with one controlling the ballista while the other commands ground forces.

Last Stand Co-op changes the emphasis again: both players control heroes while fighting escalating waves together. These modes make CastleStorm suitable for local multiplayer sessions, but the game is not a campaign co-op RPG with shared character progression. Its multiplayer appeal comes from coordination, objectives, and repeated mastery of battle scenarios.

The base game is sold separately, and Steam lists two paid expansions. From Outcast to Savior adds a new twenty-battle campaign, a new hero, Royal Guard-class troops, weapons, environments, and achievements. The Warrior Queen adds another twenty battles, a new hero, a Viking Elite warrior class, new survival levels, weapons, and achievements. The Complete Edition packages all three products together.

Who should play CastleStorm?

CastleStorm is a strong fit for players who like physics-based destruction, compact RTS decision-making, arcade-style aiming, and fantasy battles with a playful tone. It rewards people who enjoy adjusting their approach between objectives instead of relying on one overpowering unit composition.

It is less suitable for players seeking a deep economy simulator, a broad campaign map, or a traditional base-building RTS with extensive technology trees. The strategy is concentrated around castle layouts, battle resources, cooldowns, troop timing, and direct intervention rather than long-term empire management.

Its structure also favors repeat play. A completed mission can still invite another attempt for better objectives, a different castle design, or a more efficient combination of artillery, spells, and troops. The mastery loop is about improving execution and solving scenarios with more control.

PC features and platform details

The Steam version supports full controller support alongside mouse and keyboard play. Zen Studios also describes customizable controls, giving PC players room to adjust the input setup for artillery aiming and troop commands.

Steam features include Steam Cloud, leaderboards, achievements, trading cards, Remote Play Together, Remote Play on TV, Family Sharing, and shared or split-screen play. These options make the game practical for both solo sessions and couch-style multiplayer through Steam’s supported features.

CastleStorm uses Steam as its PC storefront and launcher environment. The store does not advertise a separate anti-cheat system or dedicated-server toolkit, and there is no verified mod-support feature presented as part of the PC edition. That makes the official ecosystem straightforward: campaign play, built-in multiplayer, custom castle construction, achievements, and Steam account features.

The base game lists eight supported languages: English, German, French, Italian, Spanish from Spain, Hungarian, Japanese, and Russian. English includes full audio, while the other listed languages provide interface and subtitle localization.

Comparable strategy games on PC

For players who want more traditional medieval fortress management, fantasy city builders with castle defense like Kingdoms and Castles offer a broader settlement-planning experience, but they do not match CastleStorm’s direct artillery control.

If the appeal is siege warfare, economy, and larger-scale medieval RTS structure, castle-building strategy games such as Stronghold: Warlords are a closer fit in theme while remaining much more focused on economy and conventional real-time army management.

CastleStorm occupies a narrower space between these games and arcade destruction titles. Its distinctive appeal is the combination of a destructible side-on castle, controllable artillery, deployable troops, spells, and objective-based multiplayer in one compact format.

CastleStorm FAQ

Is CastleStorm still called CastleStorm on PC?

Yes. Steam currently lists the base PC game as CastleStorm. CastleStorm Complete Edition is a bundle, not a replacement name for the base game, and CastleStorm II is a separate sequel.

What is included in CastleStorm Complete Edition?

The Complete Edition includes CastleStorm, CastleStorm - From Outcast to Savior, and CastleStorm - The Warrior Queen. The two expansions are also listed separately as downloadable content that requires the base game.

Does CastleStorm have multiplayer and co-op?

Yes. The PC version supports online multiplayer, split-screen competition, and cooperative modes. Survival Co-op assigns the ballista and ground forces to different players, while Last Stand Co-op has both players control heroes against enemy waves.

Can you build your own castle?

Yes. The castle editor lets you assemble a custom fortress for battle. Its layout affects available troops and resources, so construction choices have direct gameplay consequences.

Is CastleStorm a tower-defense game or an RTS?

It is a hybrid. CastleStorm combines tower defense, real-time strategy, resource management, physics-based destruction, and direct action controls. The player actively aims weapons and manages troops instead of only placing automated defenses.

Does CastleStorm support controllers on PC?

Yes. Steam lists full controller support, and Zen Studios has documented mouse-and-keyboard support with customizable controls.

What languages are supported?

The PC edition supports English, German, French, Italian, Spanish from Spain, Hungarian, Japanese, and Russian. English includes full audio; the other supported languages provide interface and subtitles.