Check this mod out on Moddb for more detailed notes and information: http://www.moddb.com/mods/age-of-empires-3-enhancement-mod
FURTHER NOTE HERE ON HEAVEN GAMES: I couldn't upload my updated version here, so please follow the link mentioned above. Sorry for the inconvenience.
Background Story:
Hello everyone who has journeyed to this page. I will start off by explaining how this mod came to be.
About 4-5 years ago I came across a modder by the alias of Mandos. He had set out to improve and add lots of new exciting features to AOE3. As he implemented more and more content to his mod, I was there from the early onset helping out and giving ideas that proved to be more practical then other requests. Through my help and contribution I myself learnt to modify the easier aspects of the game. Overtime Mandos greatly expanded his mod to what now is known as the "Improvement Mod". It is one of the finest, most regularly updated and active mods in the AOE3 modding community.
However, overtime our vision of how AOE3 should be changed and enhanced has come to bear different interpretations. Mandos continued to add ground breaking features to further enrich the gameplay, while I began to subside from modding and became more conservative of what should be implemented into the game.
So hence, our mod versions had split and Mandos' Improvement Mod has earned its prestigious rank and I casually continued to balance and tweak the game myself until about last year. Until now, I havn't taken the step to upload it, but my friends who I used to play AOE3 with, insisted that I do so, to share my conventional, simpler version of the Improvement Mod.
Description:
This modpack features a ton of improvements and additions, designed in an inventive yet conventional manner for players who want a better and improved AOE3 experience without having to incorporate other heavily modified mods which provide too much excessive content that result in performance issues, in-game bugs, and an overall spoil of the original game-play. The aim of this mod is to bring out the best elements of the game and build upon them rather then adding massive game script edits that are totally foreign to the game (such as new resources, unlimited population, maps with massive custom configurations).
If you have played the Improvement Mod by Mandos, you will find that a lot of his early content is incorporated in this version, including the new early formed US nation, new buildings and new or refurbished units for each civilisation.