Games released in 1990

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.

The Lost Mission is an unofficial expansion for Doom 3. It includes 8 cut levels with a new story, updated visual effects, weapons, and enemies from Doom 3 and RoE. The player controls the last surviving marine of Bravo team, fighting demons and destroying a teleportation matrix.

Stronghold 2 Colour Mod is a small mod that changes the game's color palette, making it more realistic.

C&C: Battlegrounds — a mod for Yuri's Revenge that brings to life ideas from the cancelled Renegade 2 game, but on the Red Alert 2 engine. It adds a new campaign and the Scavengers faction, revamped graphics, music, and interface, while preserving classic gameplay.

Greatest Mod is a major mod for Heroes of Might and Magic IV that significantly changes the original game. It overhauls factions, hero classes, creature and skill balance, and adds new scenarios and maps.

Heroes IV - Ultimate is a large-scale mod for Heroes of Might and Magic IV that expands the original game without changing factions. It adds new creatures, spells, artifacts and abilities, HD mode, improved graphics and icons, new objects and reworked campaigns, making the game more modern and content-rich.

FlatOut 2 FPS Unlocker is a plugin that removes the framerate cap in FlatOut 2 without breaking sound.