Mods

Mods is a term applied to unofficial game modifications made by the general public. They can be entirely new games in themselves or add some new features. They generally include new items, weapons, characters, enemies, models, textures, levels, story and musics. They can be single-player or multiplayer.

Graphics

 * New Vision - Environmental texture overhaul.
 * Project HDTP - Overhaul of all in game models.

Gameplay

 * Biomod - a mod which alters the rules of the original game and adds some new features.
 * Shifter - a mod which alters the rules of the original game and adds some new features.
 * Deus Ex: Revision - An overhaul of environment, graphics, soundtrack and gaming experience.
 * Give Me Deus Ex - A large-scale overhaul modification which features changes to AI, weaponry, RPG mechanics, environmental detail, audio, effects, and user interface.
 * GOTY Japanese Gameplay Mod - Ports the changes made to the official Japanese version back to English copies.
 * Vanilla Matters - Redesigns skills and augmentations to allow more diverse gameplay styles.
 * Human Renovation - Bug fixes, gameplay tweaks and makes the enemy stats scale with difficulty.
 * HX - Co-op campaign mod.

Total Conversions

 * The Nameless Mod - a total conversion mod with new story based on PlanetDeusEx's Forums.
 * Deus Ex: Nihilum - a total conversion mod with a new story set in an alternate Deus Ex continuity.
 * Redsun 2020 - a total conversion mod with new story, set in Japan.
 * ZODIAC - a total conversion mod where you play as Paul Denton, the augmented brother of the infamous JC Denton, uncovering another massive conspiracy on his own.
 * Hotel Carone - additional missions set after LaGuardia Airport, implementing an alternate storyline where JC Denton stays loyal to UNATCO despite his brother's warnings.
 * Unreal Revolution - A parody of Human Revolution where JC Denton has to rescue Tracer Tong.
 * Terminus Machina - Total conversation set in a post apocalyptic version of the USA.
 * Deus Ex: Reborn+ - In-development remake of Deus Ex in Unreal Engine 2.5.
 * The Malkavian Mod - a rather humorous mod with its own story that doesn't affect the core gameplay or story.

Deus Ex: Invisible War

 * Visible Upgrade - Provides support for widescreen monitors and different resolutions.
 * Unified Texture Pack - Updated character graphics, included in Visible Upgrade.

Deus Ex: Human Revolution (Director's Cut)

 * Hardcore Revival - Tweaks the game primarily to make it harder.

Deus Ex: Mankind Divided

 * Hardcore Revival - Alters augmentations, items, and XP to make the game harder.