Not sure if this will help but, Object.WorldInfo.bNoDefaultInventoryForPlayer True That will give you zero inventory and to add inventory to the player with the the above option enabled you can ether use pick up or script them to the player. (just like the flash light) Here is the code for pickup:…
There are some kismet nodes that could get rid of the weapon I think. As Neavah points out, Hourences' tutorials are a good start for this kind of setup. Regarding the speed/size change when you playing outside the editor, I guess it's because the engine load the basic gametype which use a default character taller than the…