a good fps Template for level design practice in Blender??

I’m looking a good and complete FPS Template for practising Level design in Blender.

I want to create some levels and test some ideas and my favourite tools is blender of course. May be someone can recommend me a good temple (opensource) made with BGE or UPBGE for that porpuse??

Regards,

You mean you want a completed game? I suggest to check the finished games forum.
At the resource forum, you might find some template threads too.