Shmup Boss provides an excellent foundation for creating any scrolling shooter games. If you are new to Unity this will give you an easy way to create your own levels, and if you are an experienced guru this will jump start your development and provide a basis for your shmup games.
Features
Core
-Mobile & desktop support.
-Horizontal & vertical scrolling levels.
-Finite & infinite level creator.
-Pooling system.
-Background layering system.
-Global difficulty system.
-Main menu with settings and a player select option.
-In level UI.
-Audio.
-Well documented and commented modular code.