Half-Life mod Azure Sheep: Enlightened shows industrial hazard area

C&C Red Alert 2: Reborn is a mod for Yuri's Revenge that adds 19 countries, dozens of new units, as well as super units, improved but crazy AI, and a mass of original maps. Despite questionable balance, the mod is known for its fun and chaotic gameplay.

Red Alert 2 - Zombies Campaign is a custom campaign for Yuri's Revenge in which the familiar Red Alert world is plunged into a zombie apocalypse.

Rise of the Reds is one of the most extensive and well-known mods for C&C: Generals Zero Hour, which adds two new factions and updates existing ones, introduces modern and near-future technology, new abilities and technologies, improved AI, as well as new maps for skirmishes and multiplayer.

Command & Conquer: New War is a mod for Yuri's Revenge that adds new factions, units, technologies, and campaigns, developing the original storyline and creating a fresh perspective on the war between the Alliance, Nod, and Yuri's forces.

Return is a major mod for Generals Zero Hour, adding new missions, dozens of units, buildings, abilities, and upgrades for all factions. The mod includes reworked balance, improved AI and interface, unique maps, special effects, music, and a modified rank system.