You probably already own Battlefield Vietnam, Unreal Tournament 2004, and Neverwinter Nights—and you’ve probably already played through them all. Breathe new life into them with these free mods. Just download the executable files and install them on the computer where the original games are living. Oh, you’ll probably notice the ton of Unreal Tournament mods on this list. Why? The “Make Something Unreal” contest dangled some serious money in front of mod makers—and lined us up with lots of great game tweaks.

Battlefield 1942

Desert Combat

www.desertcombat.com/

This mod, set in the Middle East, continues to be wildly popular among BF1942 players. It’s maintained by a dedicated team of programmers and artists who recently released the final full-featured version to the public.

Empires

www.empiresmod.com/

This mod fuses the BF1942 experience with the tactical gameplay of real-time strategy games, giving you the option to expand your base with extra vehicles and buildings as you contest with enemy teams for valuable resources.

Battlefield Vietnam

BattleGroup Vietnam

www.battlegroup42.com/

This Vietnam conversion of BattleGroup42’s BattleGroup 1942 mod aims to bring more realism to the game, with historically accurate equipment and much more attention to detail across all the game’s weapons, vehicles, and maps.

BushWar

http://bushwar.uni.cc/

It’s the Cuban army versus the South African Defense Fund in BushWar, a total-conversion mod set in South Africa and Angola during the 1970s. It features all-new maps, as well as additional weapons and vehicles compatible with the existing Battlefield Vietnam maps.

Insurrection 1776

www.planetbattlefield.com/insurrection/

Insurrection 1776 is a Revolutionary War–style mod for Battlefield Vietnam. It’s still pretty early in development, but it is set to feature new weapons, the ability to bandage wounds, and several new weapons and classes—including an officer class that commands three to six NPC units.

Point of Existence

www.pointofexistence.com/

Forget Vietnam—Point of Existence brings the fight into the modern day, pitting the United States against Russia in a struggle for resources. This Battlefield Vietnam mod features new automatic weapons, vehicles, and aircraft.

World War II Modification

http://bfvietnam.ea.com/