Metal Gear Online

Metal Gear Online is included in Metal Gear Solid 4 and stand-alone, it features a reward points, expansion packs and SOP.

Gameplay
Someone please make this.

Expansion Pack
Konami has released 2 expansion packs and are planning to release one more.

Gene
GENE is the first expansion pack released, it was released on July 17, 2008 at a cost of $11.99/ £7.99. The Plus version, with an additional character slot, costs $14.99/ £9.99 and was discontinued in Japan on November 18, 2008. Players who install the expansion can create female characters and enter the GENE specific Survival lobby. They can also enter battle as Meryl or Johnny and compete in three new maps.

Meme
Meme is the second expansion released, it was released on November 25, 2008 at a cost of $9.99 / 7,99€/ £6.49. The GENE expansion is a prerequisite to installing MEME, and a combo pack is available at the price of $14.99/ 12,99€/ £9.99. Players who install the expansion can enter Tournament mode, compete in MEME Survival lobbies and purchase MEME specific camouflage gear. They can also engage in combat as Liquid Ocelot or Mei Ling, and experience three new maps.