System overlay during an Unreal Engine migration
What system overlay means during an Unreal Engine migration. A practical guide for game studios, publishers, and technical teams.
Definition
System overlay covers system features that a console title must support correctly. It shapes the technical choices made when a project moves from a legacy codebase or engine into Unreal Engine.
Why it matters
Teams need a shared meaning for system overlay before they estimate work, define acceptance criteria, or prepare a release. A clear definition keeps scope discussions concrete and gives QA something specific to verify.






