first of all, i agree with mopypoppy. but i expand on it. the story is interesting and is the only thing that will keep poeple playing this conversion.

the creator choose to make his maps in a way that new area's opens up to the player is by way of presure plate. now you wont be told that so you will be running around all the time thinking you were stuck.

also in some levels you have access to all the area's in the map but if you go from area 1 to, lets say area 3 without visiting area 2, you will be stuck without going back to area 1. so safe every start of a level and use a seperate safe to proceed in the levels after that. or you will have to start all over again.

also because of some unknown reason some doorways apear to be open but are unpassible. i suspect a editing fault. and on that note; allthough i cant remember what level it was, but it was on only one of the levels. the enemy firghters instead of teleporting in mid air they just float there.

and then the biggest mistake this scenario has EXTREMELY bad pasing with dificulty spikes throughout. it starts out fine. good level disgn and the first 5 or so levels are pretty straight forward. but around the middle of the scenario you will encounter a level in wich you are confronted with infinetly spawning suicide enemy's. in the level itself there is even a terminal in wich you are told by a editors note that you shouldnt shoot in a section of the map, so not to proc anything or you will die. (hence the miltyple safes)

so in sumary: you will run around for at least 10 to 20 minutes on many maps trying to figure out what to do. there are points in maps wich sole purpose are to trap you and make you stuck (restart will be needed). and the game is suffering from bad editing.

also the eniding is extremely anti-climatic.

but good story overall.

this scenario will take you between 6 and 10 hours depending on you dificulty level.

EDIT: use your map, it contains many written clues on what to do.