The following are known CWCheat Codes for Metal Slug Anthology on Sony Playstation Portable (PSP).

_S ULES-00530
_G Metal Slug Anthology [EU]
_C0 99 Tokens
_L 0x2032C108 0x00000064
_C0 Metal Slug - Infinite Arms
_L 0x1101D662 0x0000FFFF
_C0 Metal Slug - Infinite Bombs
_L 0x0101D661 0x00000063
_C0 Metal Slug - Infinite Lives
_L 0x0101D516 0x00000065
_C0 Metal Slug - Infinite Time
_L 0x01024032 0x00000063
_C0 Metal Slug - Invincibility
_L 0x0101D624 0x00000040
_C0 Metal Slug 2 - Infinite Arms
_L 0x111294EC 0x0000FFFF
_C0 Metal Slug 2 - Infinite Lives
_L 0x0111E417 0x00000063
_C0 Metal Slug 2 - Invincibility
_L 0x0111E6B6 0x00000077
_C0 Metal Slug 3 - Infinite Arms
_L 0x1158BC9A 0x0000FFFF
_C0 Metal Slug 3 - Infinite Bombs
_L 0x0158BC94 0x00000063
_C0 Metal Slug 3 - Infinite Lives
_L 0x0157D45A 0x00000064
_C0 Metal Slug 3 - Infinite Time
_L 00158BF19 0x00000099
_C0 Metal Slug 3 - Invincibility
_L 0x0157D720 0x00000002
_C0 Metal Slug 4 - Infinite Arms
_L 0x1138BF92 0x0000FFFF
_C0 Metal Slug 4 - Infinite Bombs
_L 0x0138BF8C 0x00000063
_C0 Metal Slug 4 - Infinite Lives
_L 0x0137DC28 0x00000064
_C0 Metal Slug 4 - Infinite Time
_L 0x0138BEFD 0x00000099
_C0 Metal Slug 4 - Invincibility
_L 0x0137DEB6 0x00000040
_C0 Metal Slug 5 - Infinite Arms
_L 0x1132A5FC 0x0000FFFF
_C0 Metal Slug 5 - Infinite Bombs
_L 0x0132A5F6 0x00000063
_C0 Metal Slug 5 - Infinite Lives
_L 0x0131DBE0 0x00000064
_C0 Metal Slug 5 - Infinite Time
_L 0x0132A81F 0x00000099
_C0 Metal Slug 5 - Invincibility
_L 0x0131DEE8 0x00000001
_C0 Metal Slug 6 - Infinite Arms
_L 0x105C0864 0x0000FFFF
_C0 Metal Slug 6 - Infinite Bombs
_L 0x005C0861 0x00000063
_C0 Metal Slug 6 - Infinite Lives
_L 0x005E16E3 0x00000064
_C0 Metal Slug 6 - Infinite Time
_L 0x005C078F 0x00000099
_C0 Metal Slug 6 - Invincibility
_L 0x005C0824 0x00000069
_C0 Metal Slug X - Infinite Arms
_L 0x114499C4 0x0000FFFF
_C0 Metal Slug X - Infinite Bombs
_L 0x014499C1 0x00000063
_C0 Metal Slug X - Infinite Lives
_L 0x0143E529 0x00000063
_C0 Metal Slug X - Infinite Time
_L 0x0143E67F 0x00000063
_C0 Metal Slug X - Invincibility
_L 0x0143E6E8 0x00000077