NP, it's been a while since I played it like that, but I believe you can just drag and drop it into the addon folder and just run it, though skip the tutorial as the level transfer didn't work for me

I guess I'll give that one a try as well, thanks.

Rocket launcher is on the heliport in a chest. I did not make this campaign and for a more accurate RE1 experience please see the original file here: https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=3368349020

Never showed up, expecting it to drop the rocket launcher to kill it. But it never did either.

I thought you'd use an antlion guard as a final boss since it's the only NPC with any actual beefy HP.

Yes, I'd removed most of the enemies for sandbox, can redo a more faithful port if you wanted. Did the chopper not arrive or was it invisible, since it was invisible on my end and only the ladder showed up.

A lot of lacking enemies, to be honest.

Also the final boss got bugged, managed to kill it, but the chopper never arrived. Which is to be expected if the boss is just a poison zombie. :-/

I am still trying to fix the music, but a duct tape fix is downloading the original campaign from HL2, ripping all files and throwing them into the Gmod legacy addon folder.