Main Sequence Playtest is a playtest associated with Main Sequence, a first-person space-sim factory builder. The game’s premise places players on the frontier of human-charted space, beginning in a mining ship and expanding humanity’s reach among the stars. The playtest is the specific product here; the game’s broader design provides context, not a guarantee that every described feature is included in the test.
In Main Sequence, resource gathering feeds an expanding industrial operation. Players scan asteroid belts for mining sites, refine resources aboard their ship, then establish space stations as permanent bases. Factories form the core of station production: machines are linked with conveyor belts, while automated supply routes connect stations across systems. This progression gives the game a distinctive blend of spacecraft management and factory planning, with production and logistics shaping how an operation grows.
Ship and station design adds another layer, with components chosen for roles such as cargo capacity, reactor placement, and weapons. Research uses produced items to unlock further ships, station modules, items, and upgrades. The wider game also combines exploration of procedurally generated star systems with threats from an awakened alien defence network, making expansion a matter of both industrial reach and preparedness. The playtest’s exact content may differ from this broader game context.