Despite early predictions that its fancy Frostbite engine would make it almost impossible for modders to mess too extensively with Battlefield 3, there's a mod that messes extensively with Battlefield 3. And with great results!

While seemingly only doing a single thing - turning off the sun and transforming the game's daytime maps into night maps - the results are extraordinary. The only real source of natural light now comes from explosions and gunfire, while scrambling troops and debris are silhouetted beautifully against dimly-lit plumes of smoke.

Battlefield 3 night time mod is a tense stab in the dark [PC Gamer]