Epic battle scene in Heroes IV Ultimate mod for Heroes of Might and Magic III

Mental Omega is arguably the best mod for Yuri's Revenge and one of the most ambitious fan projects overall. It not only completely reimagines the original game but also significantly expands it, transforming it into an almost full-fledged sequel with a new storyline, campaigns, factions, and a massive amount of content.

Opposing Force: Enlightened - a mod for Half-Life: Opposing Force that adds a lot of new weapons, improves lighting, effects, and atmosphere of the original campaign, making it visually more modern without changing the storyline.

Generals Alpha — a total conversion on the OpenRA engine that aims to recreate Command & Conquer: Generals as close to the original as possible, but using developments and resources from Red Alert and Tiberian Dawn.

Heroes of Might and Magic III: In the Wake of Gods is a major fan-made mod that significantly expands HoMM3. It introduces new hero specializations, city destruction and reconstruction, level 8 creatures, emissaries, commanders with unique abilities, new artifacts, map objects, and additional tactical combat options.

Half-Life: Blue Shift: MMod is an add-on that allows you to play the Blue Shift campaign with the enhancements and mechanics of Half-Life: MMod.