Industrial Ages technology tree with Steam Power and Flight in Civilization III

Recommended Files

Hard - LifeHalf-Life (1998)
Hard-Life is a mod for Half-Life focused on increasing difficulty and reworking gameplay. Enemies become more aggressive, intelligent, and deadly, while their usual placement is changed so that even experienced players must constantly stay alert.

Ukrainian Translation for Half-Life: Invasion / Sudden InvasionHalf-Life (1998)
Ukrainian localization for the Half-Life: Invasion / Sudden Invasion mods, which fully translates the menus, all in-game text, and partially adds voice acting.

Update Residual PointHalf-Life (1998)
Update Residual Point - an updated version of the Residual Point mod, which tells an alternative story of how everything went wrong in the original game. It offers improved textures, new sounds, and much more.

Half-Life Decay: Solo MissionHalf-Life (1998)
Half‑Life: Decay: Solo Mission is a Half‑Life mod that ports all chapters of the PS2‑exclusive expansion Half‑Life: Decay into a fully playable single‑player campaign while preserving the original gameplay.

Earl and HenryStronghold: Crusader (2002)
Earl and Henry - an add-on that adds two new lords: Earl Mangonel, replacing/fixing Philip, and Henry V, replacing Saladin.

War Location: Global CrisisCommand & Conquer: Yuri's Revenge (2001)
War Location: Global Crisis is a mod for Yuri's Revenge that brings elements from Command & Conquer: Generals – Zero Hour into the game. The mod is not a direct remake of Generals, but offers an alternative universe with a unique storyline that combines elements from both original games.

Half-Life: Residual LifeHalf-Life (1998)
Half-Life: Residual Life is a single-player campaign for Half-Life from a South Korean team, which is a continuation of the Residual Point mod, where G-Man somehow reboots the space-time continuum, leading to an alternative timeline of events at Black Mesa, where you play as a scientist trying to escape to the surface.