Starcore

Build the fortress. Hold the Core. Take the fight outside.
Starcore is a free-to-play voxel fortress-defense roguelite that puts you inside the stronghold you build. Mine, research, and prepare between attacks, then fight alongside your defenses when the swarm arrives. Take on an Expedition alone or with up to three friends, battle for the opposing Core in Corenet, or build a scenario of your own.Make every wall count
Build towers, bridges, firing platforms, and layered defenses from shaped voxel blocks. Weight, stress, and support matter: a broken foundation can bring a whole section down. Position turrets, generators, shields, and repair systems to cover your weak points, and leave yourself a way to fight back when the perimeter breaks.

Defend it together
Four-player Expedition co-op gives your crew a shared fortress, resources, and research, with personal equipment for each player. Split the work between construction, gathering, exploration, and combat. Play through Steam or LAN, host a dedicated server, or save your expedition and return later.

Fight in first or third person with handheld weapons. Bring a Walker mech or call in orbital and tactical support when the battlefield demands a bigger answer.Push into the Frontier
Venture into procedural regions to gather resources, unlock research, and confront hives and bosses. Beyond the original swarm campaign, the Auric Concord brings alien installations, resonant defenses, new materials, and powerful commanders. Your fortress and progress carry into the next chapter; your enemies change the way you defend it.

Corenet: defend your Core. Destroy theirs.
Build an economy, research your force, and send attackers against the other team's defenses while protecting your own Core. Choose how to spend your income: more troops, stronger fortifications, or the technology that makes your next push count.

Custom battles support human and computer teams in formats from 1v1 through 4v4, including asymmetric matchups. Mix ground troops, flyers, siege units, and Titans, and choose computer difficulty and personality to suit the battle.

Create the next battlefield
The in-game 3D scenario editor lets you shape terrain, place voxel structures, define routes and objectives, customize units, and connect events with dropdown-driven triggers. Test your scenario as you build it. Share through Steam Workshop, browse community creations, or export a scenario directly.

Free to play. Growing in Early Access.
The base game and its core progression are free. Starcore is in active alpha, with ongoing work on balance, performance, onboarding, audio, and late-game content. Expect frequent updates as the game develops.