take place at dusk, twilight, or sunset. It is now possible for the player character to become fat by collecting food items in every stage after Mission 2; in the original game, the obese transformation was only possible in Mission 4. All levels have increased enemy count, new enemy placements, different enemy characters and new boss placements. Vehicle types and locations are different. There are more power-ups, POWs, and items (particularly food) in each mission. These items are often hidden. Many environmental elements have different reactions when shot, such as exploding with unexpected results or randomly spewing out items or enemies. Stronger versions of the heavy machine gun, flamethrower, shotgun, laser rifle, and rocket launcher are available. Each deals more damage than their normal counterpart, has a different appearance and a wider (or longer) area of impact. If the player happens to be fat while using these heavier weapons, they appear differently and can cause even more damage. Several new weapons are included: Stones, Iron Lizard, Enemy Chaser, Super Grenade, Drop Shot, a new Golden Metal Slug, which is available in Mission 3, and the Armor piercer, available in Mission 4. Added Fio's death sound (in Metal Slug 2, she uses Eri's). New enemies are added or replaced, like the Mummy Dogs. The original art for Metal Slug is shown at the end of the game while the credits are rolling, instead of the black screen used in Metal Slug 2. Later releases Home versions of Metal Slug 2 were released for the Neo Geo AES in April 1998, and the Neo Geo CD in June as well. The Neo Geo CD version features a "Combat School" mode (similar to the CD-ROM based versions of the previous game) where the player can play new versions of previously-played missions with new objectives. Metal Slug X was ported to the Neo Geo AES in May 1999 and the PlayStation in January 2001. The PlayStation version was released in North America and PAL regions by Agetec and features the same "Combat School" mode featured in the Neo Geo CD versions of the first two games. In 2006, Metal Slug Anthology (titled Metal Slug Complete in Japan) was released for the Wii, PlayStation 2 and PSP. This compilation includes the original Metal Slug, and all of its arcade sequels (including Metal Slug 2 and Metal Slug X) up to Metal Slug 6. The games