Doom II mod Pirate Doom gameplay showing combat and health stats

Disciples 2 Norvezskaya Semga is the largest and highest quality mod for Disciples II, which completely overhauls the balance, units, heroes, magic, and AI. It adds dozens of new development branches, items, and mechanics, making PvE and PvP genuinely challenging and interesting.

HoMM3: Day of Reckoning (DoR) is a fan-made expansion for HoMM3 that organically continues the game's lore and its official expansions, carefully introducing something new, such as the Viking and Dark Elf factions.

Nehahra is an unofficial Mission Pack 3 for Quake, combining a large-scale single-player campaign with an almost 4-hour machinima, The Seal of Nehahra, which serves as a prequel to the game's events. The mod offers challenging gameplay with improved AI, new enemies, and atmospheric levels.

Halo: GoldSource is a mod for Half-Life that recreates the atmosphere and gameplay style of Halo, including Slayer and Firefight modes, iconic weapons and maps from the original shooter, but runs on the GoldSrc engine.

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.