Production-grade gameplay systems — inventory, AI, abilities, saves — designed to drop in, scale up, and disappear into your game. Documented, source-included, royalty-free.
More production-grade systems for Unreal Engine and Unity are in development — full source, clean docs, royalty-free. Follow the studio on Fab ↗ to know the moment they drop.
SysSignal Interactive makes the unglamorous infrastructure every game needs. We ship full source, clean documentation, a sample level, and direct developer support — so your team can stay focused on what makes your game yours.
Grab a system from the Fab store, or reach out for a custom build — we reply within a day.