This release contains both parts but also allows you to start from the end of part 1. The Combine have destroyed the listening outpost and you managed to escape in to the tunnel, but don’t think you can just drive away, oh no!
You must help your fellow rebels out before you can put your feet up and have a cup of tea.
Plenty of beautiful views and deadly action.
- Title: Mission Improbable Parts 1 and 2
- File Name: hl2-ep2-sp-mission-improbable-1-2.7z
- Size : 33.15Mb
- Author: Magnar Jenssen
- Date Released: 31 May 2010
- If you have an older version of Mission Improbable installed, remove it before copying the new one.
- Copy the mimp folder into your SourceMods folder.
- Restart or start Steam.
- Half-Life 2: Mission Improbable should now be listed in your Library tab.
If you require more help, please visit the Help page.

Please Note: Panoramic images only are available in full screen mode. You can either open one by clicking the image link above or by saving it to your computer and then opening it locally.
How to use: Once the image is open and your cursor is on the image, press and hold your left mouse button and move around the image. Use your mouse wheel to scroll in and out of the panoramic image.
Click on the thumbnails below to open a 800 pixel wide image.
WARNING: The screenshots contain spoilers.
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The playthrough below is provided by Custom Gamer. See more of his playthroughs on this site: VP: Custom Gamer
Please note: These statistics are valid from December 2010
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1,752Overall
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2Today
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9Last 7 days
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47Last 30 days
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1,020365 days
This mod is NOT suitable for use with MapTap
31st May 2010
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11th November 2011
This is a wonderful SP game, beautifully polished with vista’s that leave a player breathless. Basically, any player that like’s HL2′s “Lost Coast”, is going to have fun with this game. The first map is built on a rocky cliff, with a tall lighthouse on top. There are buildings that a player has to move through, and the hallways and rooms have twists and turns, making it a bit tight in those areas. Generally I’m not a big fan of tight, busy places. But the author periodocally brings the player back out into some open areas, so the adventure never grinds to a crawl. Still, a little tighter at times than I like. And the map is so busy with props and and objects and scenery, that in a few areas my old Xp CPU does cry uncle, as framerates slow down tremendously. Overall though, the game runs nicley.
The puzzels on both maps are easy but fun (except the floor-jack puzzel…took me a while to figure that one out), which keeps the pace moving at a good speed. The combat sequences are challenging, with plenty of quiet time for a player to explore the map. There are a lot of dead-end routes for the player to explore and grab some goodies. The mapping is superb, and very polished. The game feels like a Valve production. Truley pro.
The only real gripe I have, and it is a big one, is the total lack of drive time in the yellow hot-rod. Like most SP mods, the vehicle section is ridiculously short, which is worse than not having a vehicle at all. The only mod that I have played so far that give’s a player some DECENT amount of drive time, is the airboat section in the excellent mod “Drainage”. And although I had nothing to do with that mod except play it, I’ll plug it anyway, and deservedly so. But in Mission Improbable, the drive time is so short that really almost no distance is covered before the player has to abandon the car. It’s like a bad tease. It also screwed up the pacing a bit.
The last battle is very difficult, but if a player thinks, it is very do-able. Three Hunters plus the flying buzz saw thingys are very difficult without explosives, but there are enough crates of health scattered about to keep the player alive and kill the Hunters, while the player waits for the elevator to creep to the bottom. The battle before that one helped get the player ready for the difficulty that was coming. In fact throughout, “Balence” is a good word when describing this game. And by the way, replay value resides here.
“Mission Improbable” has two chapters, and the mod’s makers promise a 3rd is coming. My advice to the mod maker: in part three, give us a chapter of driving! Open it up, and that will be the perfect cherry on an otherwise (almost) flawless mod. Give us another Highway 17, let us drive and choose to stop and explore shacks, or bypass them. In fact, have even LESS chokepoints than in Highway 17! Believe me, that would be spectacular, and will make up for the poor driving section in part 2. Can’t wait to see what chapter 3 brings, looking forward to it.
92/100
29th December 2011
Ok, now I understand the secret place. Phillip, can you remove my above post about the double doors? I’ll post the secret right here:
21st January 2012
Thanks for the reveal about those doors. Very odd little tea party going on in there! I thought it best I didn’t stay though.
26th January 2012
LOL I had the same feeling, as I also got out quickly! What video game (if any) did that laugh come from when you approch the “babydoll teaparty”?
21st January 2012
Playing through part one of “Mission Improbable” again was a hoot!
It seemed a little easier than last rime, but I think all this mod play has made me more bloodthirsty. I mean, I’m not even scared to tackle ‘Hunters’ anymore! Well a little.
Finally that tunnel drive wasn’t the end and I arrived out the other side, nervously scanning around for those ‘Hunters’ cautiously peering around each bend.
Well I tried to jump that hole in the bridge, dumb move, so instead t dropped down onto the gantry. I like bridge gantries, nice and airy and you don’t feel trapped.
Got to say the scenery is outstandingly, err scenic and the lighting nice and moody. Good job I brought my camera, I’ll just take a few snaps. Agh! Damn combine ruining my revere! Now where’s those pesky ‘Hunters’?
Well at lest I can get a sandwich at the petrol station, oh wait, its wrecked and the shelves are devoid of grub! And the staff are zombied or mushy; what a world!
I strain my ears for that electronic animal howl that I know will scare me out of my pants as I explore/ I get on the roof via the dramatic ‘Half Life 2’ method and peer into the Combine facility. Took me a while to discover I had made an entrance, perhaps using the suit zoom function would be prudent in the future!
I pressed a button and a voice told me to look at a lashing red light.
“What the……..No”. And then my suits taking to me about some sort of damage!
A novel means of transit, but I wouldn’t recommend it for everyone!
And then “its clobbering time!” as I swing my trusty crowbar of justice!
Then that doorway in the tunnel and that creepy green hued passage with the steam hissing beckon you into trouble. Or just at jolly jape!
When you find you friends, your so relieved and happy to find rest and shelter, at long last. But wait; your needed to do something dangerous and solo instead. Not even an offer of tea! Spend your time here looking around, as there is supplies and humour to be found. Not sure about the dead seagull, creepy!
And so another courageous freedom fighter leads you to a door and closes it behind you, with him on the other side! Nice green corridors, makes a change from the usual passages in most mods. And zombies on the other side of wire fences are a real chuckle as you can kill them before you really meet them! The ladder to those overhead pipes was a nice detail; It looked like a real extendable ladder!
I found a metal rung ladder and went for a slip and slide amongst some familiar ceiling attachments and found a lever on the floor. So I carried it back. You never know it might come in handy and it did!
Finally out again in the fresh air in a pretty wooded bay. Oh look there’s a manned gun station and he’s firing at me! Well this is easy; I’ll just keep my head down and run between all these rocks. It’s not like there are combine soldiers running up towards me firing. Oh wait, they are! Still no sign of those damn ‘Hunters’ so it’s not too bad. I get to the best happy to find some shelter and then it’s those blue eyes again!
I get to that gun station, but I swear I saw those damned tandem blue eyes of a ‘Hunter’ on that hill! So I held my breath and dropped down into an obvious arena of doom! I found lots of health kits, oh dear, and a lift with a button. So I pressed it and waited for the carnage!
Why am I in the water with these deadly worms?
And why is everything all red?
Round two – “Finish them!”
I stockpiled the health kits and made my stand at the lift and unleashed hell!
As I blew away that last ‘Manhack’, I really hate them, I saw my health flashing a big red zero, but I was triumphant! I rode the victory lift with 83 health as I looked at the dead ‘Hunters’ below me………
This mod was exceptional in every way, except for the ‘Manhacks’, if they were accidentally left out I would not mind! This mod has scenery, action, puzzles, great graphics and humour, always welcome. And it has two parts!
10 out 0f 10 all the way……………
11th May 2012
i remember playing part one of Mission Improbable which finished as you drove the buggy through the tunnel,so when load appeared i was suprised …
one thing that stands out in Mission Improbable is the amazing scenery….. the beginning in the boat gives you time to take in the sights such as the brilliant created lighthouse… and the use of high dynamic range ( first used in lost coast ) makes for some of the best graphics seen in a hl2 mod
gameplay was excellent with well placed enemys and some good puzzles… i especially liked the trolley jack which i havent seen used in any other mods.. and as soon as i worked out that was the way out ( instead of a door ) i located the jacks bar and proceeded to the next part
in game music was also great with a mix of source sounds and some custom sounds and music from the author …
its easy enough to put a map or mod together however to create a mod with a decent storyline is another thing … and allthough Mission Improbable has no real storyline it works well
i also like the way you travel in the mortar to the other side of the island….
magnar has done a great job with Mission Improbable and i shall certainly be looking out for future work from the guy….
one of the best mods around… play,play,play !