The following are known CWCheat Codes for Ace Combat X2: Joint Assault on Sony Playstation Portable (PSP).

_S NPJH-50263
_G Ace Combat X2: Joint Assault (PlayStation Store) [JP]
_C0 All Medals single
_L 0x20418C84 0x0003FFFF
_C0 All Mission
_L 0x200F1E0C 0xAC540CA8
_C0 All Parts
_L 0x40417704 0x000F0001
_L 0x03030303 0x00000000
_L 0x20417740 0x00030303
_C0 All Rank S
_L 0x404178D8 0x02600002
_L 0x0001869F 0x00000000
_L 0x404178DC 0x02600002
_L 0x00000001 0x00000000
_L 0x404178F0 0x00980008
_L 0x63006303 0x00000000
_L 0x404178F4 0x00980008
_L 0x00000000 0x00000000
_C0 All weapon,hanger
_L 0x204175A0 0x0000FF03
_L 0x204175A4 0x0000FF03
_L 0x204175A8 0x0000FF03
_L 0x204175AC 0x0000FF03
_L 0x204175B0 0x0000FF03
_L 0x204175B4 0x0000FF03
_L 0x204175B8 0x0000FF03
_L 0x204175BC 0x0000FF03
_L 0x204175C0 0x0000FF03
_L 0x204175C4 0x0000FF03
_L 0x204175C8 0x0000FF03
_L 0x204175CC 0x0000FF03
_L 0x204175D0 0x0000FF03
_L 0x204175D4 0x0000FF03
_L 0x204175D8 0x0000FF03
_L 0x204175DC 0x0000FF03
_L 0x204175E0 0x0000FF03
_L 0x204175E4 0x0000FF03
_L 0x204175E8 0x0000FF03
_L 0x204175EC 0x0000FF03
_L 0x204175F0 0x0000FF03
_L 0x204175F4 0x0000FF03
_L 0x204175F8 0x0000FF03
_L 0x204175FC 0x0000FF03
_L 0x20417600 0x0000FF03
_L 0x20417604 0x0000FF03
_L 0x20417608 0x0000FF03
_L 0x2041760C 0x0000FF03
_L 0x20417610 0x0000FF03
_L 0x20417614 0x0000FF03
_L 0x20417618 0x0000FF03
_L 0x2041761C 0x0000FF03
_L 0x20417620 0x0000FF03
_L 0x20417624 0x0000FF03
_L 0x20417628 0x0000FF03
_L 0x2041762C 0x0000FF03
_L 0x20417630 0x0000FF03
_L 0x20417634 0x0000FF03
_L 0x20417638 0x0000FF03
_L 0x2041763C 0x0000FF03
_L 0x20417640 0x0000FF03
_L 0x20417644 0x0000FF03
_L 0x20417648 0x0000FF03
_L 0x2041764C 0x0000FF03
_C0 Credit 999999
_L 0x2041758C 0x0098967F
_C0 EMBLEM ALL
_L 0x80417740 0x00780001
_L 0x10000003 0x00000000
_C0 EMBLEM ALL
_L 0x80417740 0x00780001
_L 0x10000003 0x00000000
_C0 Gun 999
_L 0x204024AC 0x00000320
_C0 heisou
_L 0x804175A1 0x00280004
_L 0x0000003F 0x00000000
_L 0x00417641 0x00000038
_L 0x00417645 0x00000038
_L 0x00417649 0x00000000
_L 0x0041764D 0x0000003F
_C0 Inf Weapons
_L 0x104024A2 0x00000063
_L 0x104024A4 0x00000063
_C0 Invisible Plain
_L 0x602D8518 0x48A6A91B
_L 0x00020001 0x00000018
_C0 kitai＆color
_L 0x804175A0 0x002C0004
_L 0x000000F3 0x00000000
_C0 MACHINE ALL
_L 0x804175A0 0x002C0004
_L 0x10000003 0x00000000
_C0 MACHINE&COLOR ALL
_L 0x804175A0 0x002C0002
_L 0x100000F3 0x00000000
_C0 MAX Credits & Score
_L 0x202BCB7C 0x3B9ACA00
_C0 Missile 999
_L 0x104024A2 0x000003E7
_C0 Missile 999
_L 0x104024A2 0x000003E7
_C0 MONEY MAX
_L 0x2041758C 0x3B9AC9FF
_C0 muteki
_L 0x201c0830 0x02601021
_C0 muteki kaijo
_L 0x201c0830 0x02741023 
_C0 Part for all
_L 0x201CF6F0 0x24020001
_C0 Parts ALL
_L 0x40417704 0x000F0001
_L 0x03030303 0x00000000
_L 0x20417740 0x00030303
_C0 Rapid fire [Missile]
_L 0xE0020FFF 0x204024D6
_L 0xD04024D6 0x00300002
_L 0x104024D6 0x00000001
_L 0xE0020FFF 0x204024D8
_L 0xD04024D8 0x00300002
_L 0x104024D8 0x00000001
_L 0xE0020FFF 0x204024DA
_L 0xD04024DA 0x00300002
_L 0x104024DA 0x00000001
_L 0xE0020FFF 0x204024DC
_L 0xD04024DC 0x00300002
_L 0x104024DC 0x00000001
_C0 Rapid fire [SP Wapon]
_L 0xE0020FFF 0x204024DE
_L 0xD04024DE 0x00300002
_L 0x104024DE 0x00000001
_L 0xE0020FFF 0x204024E0
_L 0xD04024E0 0x00300002
_L 0x104024E0 0x00000001
_L 0xE0020FFF 0x204024E2
_L 0xD04024E2 0x00300002
_L 0x104024E2 0x00000001
_L 0xE0020FFF 0x204024E4
_L 0xD04024E4 0x00300002
_L 0x104024E4 0x00000001
_C0 Ruppid Fire
_L 0x201C7290 0x3C020001
_C0 Ruppid Fire [Missile]
_L 0xE0020FFF 0x204024D6
_L 0xD04024D6 0x00300002
_L 0x104024D6 0x00000001
_L 0xE0020FFF 0x204024D8
_L 0xD04024D8 0x00300002
_L 0x104024D8 0x00000001
_L 0xE0020FFF 0x204024DA
_L 0xD04024DA 0x00300002
_L 0x104024DA 0x00000001
_L 0xE0020FFF 0x204024DC
_L 0xD04024DC 0x00300002
_L 0x104024DC 0x00000001
_C0 Ruppid Fire [SP Wapon]
_L 0xE0020FFF 0x204024DE
_L 0xD04024DE 0x00300002
_L 0x104024DE 0x00000001
_L 0xE0020FFF 0x204024E0
_L 0xD04024E0 0x00300002
_L 0x104024E00x00000001
_L 0xE0020FFF 0x204024E2
_L 0xD04024E2 0x00300002
_L 0x104024E2 0x00000001
_L 0xE0020FFF 0x204024E4
_L 0xD04024E4 0x00300002
_L 0x104024E4 0x00000001
_C0 SP Wapon 999
_L 0x104024A4 0x000003E7
_C0 SP Wapon 999
_L 0x104024A4 0x000003E7
_C0 WEAPON ALL
_L 0x804175A1 0x002C0004
_L 0x1000003F 0x00000000