JKDF2.net

From the readme:

AreS Level Restore pack.
Must unzip to cog folder.
Must have all of these cogs for it to work.

You dont need the kyle.cog if you already have
something that gives you IR goggles.

COPYRITE - AreS. ............................
Prevents normal level item deletion and
recreates powerups.
Restores surfaces and sectors in level.
Restores players aswell.