The majority of the maps in MW2 are absolutely horrible.  To me, the maps in the Call of Duty have always been the series' weakness, but many of the maps in MW2 cross the line.
 
Call of Duty's matchmaking system really makes the situation worse.  There's no way to set map preferences or search for a preferred map in any way, so I find myself constantly joining and leaving random rooms until I finally find a map I want, often being forced to load a map before being able to quit because I was dumped into a game automatically.
 
Once I do finally find a game, I have to repeat the entire process over again.  It's extremely frustrating, and having the overwhelming majority of maps that are unplayable for any small or medium sized games forced on me constantly has made me lose patience for the game.
 
I often spend just as much time searching for a decent game as I do playing.  It's the worst in FFA, where there is one map small enough for the gametype, and 2 or 3 that are bearable.  I wish that IW would have an intelligent design on their matchmaking, with appropriate maps for game sizes.

Rundown is more of a plague against humanity than it is an actual multiplayer map. 

I find it weird how I get maybe one or two games of Terminal per day but I played 5 games back to back on Karachi last week. It's so annoying.

The only maps I don't really enjoy playing on are Afghan and Wasteland, simply because of the fact that there are always a ton of snipers.
 
I mean, that's fine. They aren't unbalanced or anything. I just can't snipe for shit with the whole breathing thing.

All I want is for a single day to go by without someone bitching about something they don't like in MW2.

• Wasteland = shit so fucking boring
• Rust = shit because people constantly spawn right behind you
• Skidrow = shit its just one big cluster fuck in that hallway
• Derail = shit because i said so
• Karachi = oh how i hate Karachi
• Highrise = shit way to small and to easy for one team to dominate
• Rundown = shit way to easy for one team to dominate

I agree that a lot of the maps are garbage. Underpass is especially awful.

My least favourite map is I think it's called Overpass. But I still won't skip it, all the maps are fun.

I'm not gonna lie, Rust is extremely fun for FFA.  It's very fast paced and engaging.  It is terrible for everything else, though.

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• Wasteland = Awesome! Kill a ton of people in the bunker
• Rust = awesome! Airstrikes = WIN
• Skidrow = AWESOME! Learn how to play and don't run into the hallway like a NOOB
• Derail = Can't remember this map
• Karachi = Just watch the roofs 
• Highrise = Favorite map! Perfect !
• Rundown = ?

 
All these opinions are based on my fact of playing too fast and not slowing down, i forgot that cod4 and mw2 are not the same game

  

 *Highrise, Rundown and Derail are fine to play in TD or just Deathmatch.

"

I like most of the maps, except for Karachi and Derail. Karachi just isn't fun and Derail leads to too many snipers.

skidrow is the bane of my existence

Yep, the majority of the maps are atrocious. Unless you like walking around at snail's pace trying to avoid sniper fire, and never feeling like you are in control of keeping yourself alive.

I don't mind them TOO much, but no where near as good as, say, Killzone 2.

The only map that I really can't stand is Underpass.  While I don't care for some others(Derail, Wasteland, Sub Base), I still play them and enjoy them.  If I get Underpass, though, I immediately exit that lobby and find a new match.

I really don't see what all the fuss is about. I love pretty much all of the maps, although Highrise can get a little sniper heavy.

Highrise, Estate, (The Airport one?), Sub Base, Skidrow, Derail and Scrapyard are, in my opinion, all great.
 
Shitty maps include Rust, (The one with the trenches?), Underpass and Afghan. 
 
On a side note, the urban map that the spec ops mission takes place in where one person is in a chopper and the other is on the ground (like 3 other spec ops take place in it too, minus the street with all the houses) is one of the best maps I've ever played in anything.

Wow. I think almost all the maps are pretty decent. I really dislike Favela, but I don't quit the lobby when it comes up. Other than that I don't see why there's a lot of hate. 
 
It seems to me that they really revamped their mapmaking to ensure that almost all points are covered from multiple angles and all rooms have multiple entrances. I dunno, tho.... maybe it's just more my style.

I dislike almost all of the Brazilian maps except quarry. Terminal comes up way too often when i play and wasteland not enough :( and Sabotage in this game is kinda crap compared to the first MW, theirs something about i just don't like or maybe its just cuz i die alot in it.

The only maps I enjoy are Terminal, Derail and Invasion . I actively dislike the rest.

Maybe if they get loads of map pack we can make map setlists and only play them? A man can only hope.

The only one I dont like is Rundown.  And whoever mentioned KZ2, yeh those were some awesome maps.

The only map that I really don't like is Estate.  Someone mentioned hating High Rise, but that's actually one of my favorite maps especially in domination.  I just prefer smaller maps in general.

The one's I'm really a fan of are highrise, sub base, quarry, scrap yard and rust.  I know a lot of people really hate rust, but it's the most chaotic and up in the air map in the entire game.  There is nowhere to hide really and there's always a gunfight going on between at least three people at a time, but it gets really bogged down when a team deathmatch is put in there.
On the other side, I really dislike wasteland, favela's and the estate.  The rest I'm sort of indifferent towards. 

I don't know I like almost all of them. I never quit because a certain map comes up though.

why dont they just release a map pack of the old modern warfare maps... they were ok

"

• Wasteland = shit so fucking boring
• Rust = shit because people constantly spawn right behind you
• Skidrow = shit its just one big cluster fuck in that hallway
• Derail = shit because i said so
• Karachi = oh how i hate Karachi
• Highrise = shit way to small and to easy for one team to dominate
• Rundown = shit way to easy for one team to dominate

 
All these opinions are based on Domination because that is the gametype i like to play most.  

  

 *Highrise, Rundown and Derail are fine to play in TD or just Deathmatch.

"

I think most of them are pretty good. I like how a lot of them have many layers for the whole vertical combat aspect, and most of them are designed so that even though they're big, close combat is always present (as compared to WaW).
 
Wasteland is kinda retarded though. Its like last generation map design.

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I don't mind them TOO much, but no where near as good as, say, Killzone 2.

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  Wasteland is kinda retarded though. Its like last generation map design. "

I've played 40+ hours and still have never played on Rust.

" I've played 40+ hours and still have never played on Rust. "

" I've played 40+ hours and still have never played on Rust. "

I don't particularly dislike any of the maps, I think they all do a good job at making you play differently but I don't like that certain maps seem to come up far more frequently than others, no matter what gametype you are playing.

Maps are good.

I love Wasteland. I don't really know why everyone hates it so much. Its perfect for sniping with the Thermal scope to rack up the kills.

I still really like the way bf2 did maps, shit was on a big scale but so easy to memorize

"@Adziboy said:

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I don't mind them TOO much, but no where near as good as, say, Killzone 2.

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Agreed, the maps are really bad compared to Killzone 2's, which are amazing "

 Wasteland is kinda retarded though. Its like last generation map design. "

" All I want is for a single day to go by without someone bitching about something they don't like in MW2. "

The only map I can't stand is Rust (though it's fun for smaller private matches). It's way too small for such large groups. Sure some people love the chaos and insanity, but spawning and dying multiple times in a row before I can even see where I am is not my idea of fun.

I think it comes down to personal preference because I hear some of my friends say they all suck. Some say they are all awesome. I like some and hate others. So I don't think its down to bad map design I think it is just whether or not the maps are your cup of tea.