Of course use them at your own risk. Please read the descriptions of these mods at their page to know how to install or if it's compatible with all the other mods.
(thanks to the authors of these mods, and to Asheroo for the original idea)
Mod Collections and Experiments:
Hyperwolf's Mods (Hyperwolf) ---Collection of mods, including one which allows houses to be placed closer together - see the thread for more information
JF2010's Mods (JF2010 / Jeff10) ---Collection of mods adding various collections of trees to the game - see the thread for more information
Maarten's Modest Mods (Maarten) ---Collection of experimental mods - largely transport related - see the thread for more information
Pharmist Mod Experiments (Pharmist) ---Collection of experimental mods - largely transport related - see the thread for more information
TNG's Mods (TheNextGeneration) NEW! ---Collection of mods dealing with how long things take in game, plus a few others coming soon - see the thread for more information
User's Mods (User) NEW! ---Collection of mods giving much more road flexibility - see the thread for more information
Vallamir's Mods (Vallamir) NEW! ---Collection of mods - currently ploppable items such as road signs - see the thread for more information
Big harbor as landmark (povis123) ---The big harbor settings has been changed. It is now a landmark with the name "Yacht Club".
Cameramod (Haltendehand, Gobo77, Oliver) ---Adds nine new camara options and the option to tilt the camera in every position to the game
Easy Metro Construction (Elmo) ---Make the construction of Metros easier.
Extended harbor layers (Exalight) ---Extends the harbor layers on maps with existing ones.
Farm Filler (for merging farms) (One Billion Daleks) ---Enables you to merge farms of the same type together, to create the appearance of one larger farm[/i]
Increase Traffic Capacity (City Builder) ---General increase in all road traffic Capacity by about 10 to 15 percent
Infinte Trading with OmniCorp (tmxkn1) ---More capacity and cash for Omnicorp.
Larger Loans(City Builder) ---Add an option to take out a larger loan in Cities XL 2011.
Larger Plazas (Moaku) ---Allows you to build much bigger plazas.
Metro Usage Increase Mod (Elmo) ---This mod increases the number of people who would prefer to use your metro lines.
Modern Plaza Area, landmark layer (Loltak) ---Reactivates the white "landmark" effect of the Modern plaza area[/i]
More Metro and Bus Stops (Elmo) ---Allows you to build 200 Bus and Metro stations (instead of 40)
No Palm Trees on Avenue (Haltendehand) ---Removes the palm trees from the avenues.
Over Water Building Mod (Asterian) NEW! ---Buildings that you can lay on water
Over Water Plaza Mod (Asterian) NEW! ---Plazas that you can lay on water
Roads lined with palm trees (ieyasu) ---Adds streets with palm trees on the sidewalk.
Roads lined with poplars (ieyasu) ---Adds streets with poplars on the sidewalk.
Report-Patch (Karel53) ---Enable missing reports.
Snapping Streets and Heights Fix (Nashville Nelson) ---Decreases the radius for snapping streets (automatic "catching" of two adjoined streets).
Sound Mod (eagleFMJ) ---Adds some sounds.
Super Silo + Fertilizer (Elmo)
Transport Mod (povis123) ---Adds a new airport with freight production and a new harbor with passengers production.
Alex´s bus skins (Austrian Postbus, Polish bus from Bialystok) (Alex)
Bramm's house texture mods (Bramm)
Cologne (KVB) bus skin (phillip96)
Detail level enhancer (moaku)
Dutch mod collection (luigi87)
Farm Filler Mod (one billion daleks)
Light replacement mod (LRM) (mrtnrln)
Los Angeles County metro rapid bus (Sniper296)
Moon mod (Alex24)
New basket court (stryder59)
New traffic map (povis123)
New York MTA bus (sniper296)
No car boxes for low settings(sniper296)
Path on Stilts GFX Replacement v1.00 (Winter Dragon)
Somber Alley Retexturing Pack (Asterian)
Skimbo's transportation retexturing packs + Trainpatch (Skimbo) Retexturings of bus and metro skins (current available designs: London, Rottderdam, Vienna, Berlin U and S Train) +++ +++ Trainpatch fixes bug which blocks the metroskins when using GER or UK roads.
Super High Graphic Settings (GlobexCo)
Street textures: Please note that the following street texture mods will replace the default roads. This mods won't work with any other road texture than the default ones.
Multiple road addon mod (Skimbo)
Alternative Road Texture (StuntMonkey)
Australian 2000 Textures (Skimbo)
Austria 1970 Black Road Textures (Skimbo)
Austria 1975 RAM & TAM (Skimbo)
Euro 2000 Textures (Skimbo)
Alpine Pack (Daemmer, Alex24) ---Adds a range of new mid-European building and vehicle textures
Avatar editor and mode (C06alt)
Bulldozer Mod (Itsthemuffinman)
Burj Khalifa Mod (Radolph) ---Adds the Burj Khalifa, a famous building
Christmas road addon (kiwispanker)
"Cities XS-Building" (Fox2k7)
Decorations ploppable (karaaib)
Extra Terraforming Options 2011 (Pharmist)
Farm Anywhere (Goldiva)
Forest Mod (works on slopes as well as flat) NEW!(jf2010)
Grass landfill (Jeff10)
Karel53´s add-ons/unlocks (Karel53)
Limitless Residential Construction (Elmo)
McDonalds Restaurant Mod (Clamato) ---Adds a certain purveyor of fast food to the game
More plazas (povis123)
New Farms (Malaya)
New Modern Multi-family Houses (momo30)
New modern office (momo30)
Network Expansion XL (Altiris, GlobexCo, Pharmist) UNDER DEVELOPMENT --- Mod that adds a lot of new traffic options including overground metro stations, trams, railway, waterway, airway, taxis, squads and more
New Plazas (Gobo77, Haltendehand, Malaya, Oliver)
Oil Anywhere (Goldiva)NEW!
Pharmists Road Mods (pharmist)
Ploppable boats (GlobexCo)
Ploppable trains (kiwispanker)
Road and bridge upgrade mod (povis123) Allows you to up and down grade existing roads and bridges
Rotating Tower (Radolph)
The twin towers (momo30)
Trees Mod (Malaya)
Two new hotels (povis123)
Unlocker Mod v4 (GlobexCo) - ATTENTION! - Not compatible with newest patch version of Cities XL 2011
Unlocker Mod v5 (GlobexCo) - Unlocks many hidden buildings, provides Ski and Beach GEM and enables a full sandbox mode. Compatible with version 1.5.x
Wildlife on farmland (Ieyasu)
Big Tree Plaza (Decrease air pollution) (Goldiva)
Cheaper bridges (povis123)
Cheaper (more balanced) multipurpose buildings (Keeda)
City road link mods (jeremy12)
Offices Buy Retail (Winter Dragon)
Decrease Leisure Cost (Winter Dragon)
Double number of unskilled workers per building (Keeda)
Environment Agency (Decrease air and noise pollution) (Goldiva)
Increase In Traffic Capacity (City Builder)
Leisure to retail conversion (Keeda) Converts building which should make money such as cinema from cost to profit
Money Bank (kiwispanker)
New park (clears pollution, greater area of effect) (povis123)
No air pollution (jeremy12)
Omnicorp Price Cheater (tmxkn1)
Port Extender (Exalight) - Allows ports and harbours to be built on any map that has them as a resource
Sandbox mod (Elmo) --- adds many buildings which provide all in-game resources, jobs and services.
Sandbox variations (El Lav) - a number of variations on Elmo's sandbox above to allow greater flexibility
Small Tree Plaza (Decrease air pollution) (Goldiva)
Maps confirmed to work in Cities XL 2011:
Empty Map (BramFokke) [i]Note: This map is causing texture problems for some users - see it's thread for more information
Great Lakes Revisited(The_Funky_Monk)
Lake map (Alex24)
Oasis (Alex24) - Newly confirmed to work with CXL 2011 -
The Lagoon (The_Funky_Monk)
The compatiblity of the following maps in Cities XL 2011 hasn't been tested yet. We are looking for players which can test this
La Messa (Arcadoli)
More maps (Jeff10)
The Lakeside (Aaron95)
The round islands (Aaron95)
The green peninsula (Aaron95)
The scattered isles (Aaron95)
The cleaved canyons (Aaron95)
Chocolate valley (Alex24)
River valley (Alex24)
Bumpmap Modding Tutorial(Skimbo)
Texture Modding Tutorial(Skimbo)
Modification Manager (Rob) -- Tool for easy automatic install and updates of mods.
Cities XL Pak-Explorer (Neidhard)
PakUnpacker/Repacker and Importer/Exporter (Arcadoli)
Either use the mod manager listed above (recommended) or if you're keen to do it yourself (there's nothing difficult as long as you understand how file systems work) then follow these instructions by TickleOnTheTum:
1) Make sure the game is not running.
2) Download the Mod you want.
3) If it is a zip/rar file then extract the ____.patch file(s) inside.
4) Move the _____.patch file(s) to:
64 bit Operating System
C:\Program Files (x86)\Focus Home Interactive\Cities XL 2011\Paks
32 bit Operating System
C:\Program Files\Focus Home Interactive\Cities XL 2011\Paks
If the mod file is a ____.exe file (Eg. The Unlocker Mod 5) then you need to just run it as you would any program and follow the installation instructions...