Metal Slug Anthology (Wii)
Successfully complete Metal Slug 1, 2,
3, 4, 5 and X under the hard difficulty setting
with limited continues, and Metal Slug 6 with limited continues.
Successfully complete Metal Slug 6 under any difficulty setting with a limited number of continues.
Successfully complete the indicated game to unlock the corresponding gallery.
- Art Gallery 1: Metal Slug
- Art Gallery 2: Metal Slug 2
- Art Gallery 3: Metal Slug X
- Art Gallery 4: Metal Slug 3
- Art Gallery 5: Metal Slug 4
- Art Gallery 6: Metal Slug 5
- Art Gallery 7: Metal Slug 6
- Tonko Gallery: All seven Metal Slug games under the Easy difficulty setting and limited continues.
Strategy guides from GameFAQs