Try Gamefaqs...I don't know otherwise.

gamefaqs does'nt have action replay codes sadly.

im going to try codejunkies.com

(M)
4QQ0-5JXD-DZZB9
TVPE-02HE-JZU3N
YGXM-6PY8-MAE5Q
X0Y3-ZQQB-1CXCW
KCU4-N1J5-VR1DD
E3Y5-E1D1-EF849
HJJE-E8J3-KX8AW
79KH-WUKD-8N2NQ

Just remember that all the Master (M) codes must be entered.


Ammo Codes
2WQU-E94N-4771Y



Twice More Ammo
AA73-A72F-CB00J
XQC5-CBD8-4V95V
6B93-QGPC-HW4AE



4 Times More Ammo
C2UR-XCFV-KP05Q
XQC5-CBD8-4V95V
FUW9-J2ME-JAMV3



10 Times More Ammo
2M8G-UF4R-AVAAW
XQC5-CBD8-4V95V
PNRK-F414-MCUM7



99 Times More Ammo
MMAP-YBKF-8TE6Y
XQC5-CBD8-4V95V
AZED-VGUA-ZB00D



Infinite Ammo
85HV-EZRX-TGRKQ
W0TG-FE5Q-7W4NY



Health Codes
CKJK-VKCU-9TC0N



Health Twice Bigger
DWZ9-25YX-TBADN
ZRHY-0RX0-BZMYU
GWHY-JP9Z-1AY5W



Health X10 Bigger
R93N-PMF8-TH5RV
3EDX-5HY8-PWFY2
GWHY-JP9Z-1AY5W



Health X100 Bigger
86T5-MCEZ-XUXK6
W3XN-4BJ1-HUZUJ
GWHY-JP9Z-1AY5W



Infinite Health
VCUT-AWRF-50C2C
242Q-RC3N-KGWJ7
NYV7-Q0ZB-AKJF8



Armor Codes
JQXH-WQHU-WJUU4



Start with Armor Gauge Twice Bigger
EG3B-5V44-ZJBWX
DGJC-9BNV-VX1DY



Start With Armor Gauge 8 Times Bigger
9NUR-BJEH-EAWTD
HBNV-EN21-KB5Q9



Start With Armor Gauge 20 Times Bigger
W9JY-BNPK-E9B7Q
V0DX-H8EX-905PF



Start With Armor Gauge 3599166 Times Bigger
CGMG-AT1T-KJYNU
XZMM-6T6Z-AKBVP



AI Codes
RKB4-UDJN-YQ2V7



Non Aggressive AI
V0HU-YUXC-PDK6B
Y2F0-6KFV-H4Y1A



Invisible (No Awareness)
6EZE-4E6X-RHWAY
WU3K-YNU1-21JW8



Open Weapons
300Z-HPC4-ZF2WM
K310-TUTG-CEF1Y



Open Levels
XA3F-1F6K-RZHYK
67F5-RPH1-U8VVE



Open Ratings
ZZQV-M7WV-EG8HK
86AH-RHFB-M372C



Play Once to Complete all Objectives
4FMW-4ZW7-CPBY5
B8NF-EA0N-7AV1Z
EQUE-MNQQ-HN6RU
J55X-ZXGB-144RX



Maximum Flashlight
5RRZ-JZNA-YVR0D
4R9H-HAW8-6Q8HV
WY19-U9ZQ-U4AUP



Speed Codes
KQKF-0P8M-MD38A



Everybody Quick (X2)
TB3T-C0KG-EBYE9
4JNU-6A9U-R7QJ1
06A0-B9X5-JCEPB
NGWD-5MVU-HVAT9
J1JV-2FW8-MMTTH



Everybody Quick (X1.5)
RDRR-603Q-HQFE5
4JNU-6A9U-R7QJ1
06A0-B9X5-JCEPB
NGWD-5MVU-HVAT9
J1JV-2FW8-MMTTH



Quick Hero Only (X1.5)
HHC0-EUV0-TDHD2
G858-BAB8-CQF9A
146J-7HQN-THND7
2HC3-YAT7-2V2EJ
D0VR-33UA-9XNZF
GK1P-M01P-G4R8T
54JF-T5NQ-FTXXC
G0WP-HENP-8T4UY
NGWD-5MVU-HVAT9
J1JV-2FW8-MMTTH



Quick Hero Only (X2)
U58Y-E5U0-ZDRZB
G858-BAB8-CQF9A
146J-7HQN-THND7
2HC3-YAT7-2V2EJ
D0VR-33UA-9XNZF
GK1P-M01P-G4R8T
0RJ4-61F3-MMJ88
G0WP-HENP-8T4UY
NGWD-5MVU-HVAT9
J1JV-2FW8-MMTTH



Quick Hero Only (X3)
PP99-24J6-E5DNZ
G858-BAB8-CQF9A
146J-7HQN-THND7
2HC3-YAT7-2V2EJ
D0VR-33UA-9XNZF
GK1P-M01P-G4R8T
F0NM-1R2J-XAHHZ
G0WP-HENP-8T4UY
NGWD-5MVU-HVAT9
J1JV-2FW8-MMTTH



Everybody But Hero Slower (/2)
Q0DH-993W-N6DWE
G858-BAB8-CQF9A
146J-7HQN-THND7
2HC3-YAT7-2V2EJ
D0VR-33UA-9XNZF
K0NP-J2M5-AFV7U
FPBK-DQVV-Y448U
G0WP-HENP-8T4UY
NGWD-5MVU-HVAT9
J1JV-2FW8-MMTTH



Everybody But Hero Slower (/4)
GA65-UVNK-U1PMD
G858-BAB8-CQF9A
146J-7HQN-THND7
2HC3-YAT7-2V2EJ
D0VR-33UA-9XNZF
QUCQ-036W-Y27DD
FPBK-DQVV-Y448U
G0WP-HENP-8T4UY
NGWD-5MVU-HVAT9
J1JV-2FW8-MMTTH



Quick Hero (X1.5)-Slow Opponents(/2)
Q99P-HX28-56KCH
G858-BAB8-CQF9A
146J-7HQN-THND7
2HC3-YAT7-2V2EJ
D0VR-33UA-9XNZF
K0NP-J2M5-AFV7U
54JF-T5NQ-FTXXC
G0WP-HENP-8T4UY
NGWD-5MVU-HVAT9
J1JV-2FW8-MMTTH



Quick Hero (X1.5)-Slow Opponents(/4)
Z509-G8NM-MCBBQ
G858-BAB8-CQF9A
146J-7HQN-THND7
2HC3-YAT7-2V2EJ
D0VR-33UA-9XNZF
QUCQ-036W-Y27DD
54JF-T5NQ-FTXXC
G0WP-HENP-8T4UY
NGWD-5MVU-HVAT9
J1JV-2FW8-MMTTH



Quick Hero (X2)-Slow Opponents(/2)
UUXK-3DDN-25Q8X
G858-BAB8-CQF9A
146J-7HQN-THND7
2HC3-YAT7-2V2EJ
D0VR-33UA-9XNZF
K0NP-J2M5-AFV7U
0RJ4-61F3-MMJ88
G0WP-HENP-8T4UY
NGWD-5MVU-HVAT9
J1JV-2FW8-MMTTH



Quick Hero (X2)-Slow Opponents(/4)
NQZ5-4E4Y-BWRVP
G858-BAB8-CQF9A
146J-7HQN-THND7
2HC3-YAT7-2V2EJ
D0VR-33UA-9XNZF
QUCQ-036W-Y27DD
0RJ4-61F3-MMJ88
G0WP-HENP-8T4UY
NGWD-5MVU-HVAT9
J1JV-2FW8-MMTTH



Quick Hero (X3)-Slow Opponents(/2)
CQN0-4P71-ZBMMT
G858-BAB8-CQF9A
146J-7HQN-THND7
2HC3-YAT7-2V2EJ
D0VR-33UA-9XNZF
K0NP-J2M5-AFV7U
F0NM-1R2J-XAHHZ
G0WP-HENP-8T4UY
NGWD-5MVU-HVAT9
J1JV-2FW8-MMTTH



Quick Hero (X3)-Slow Opponents(/4)
ZN1G-7YJC-YYN5H
G858-BAB8-CQF9A
146J-7HQN-THND7
2HC3-YAT7-2V2EJ
D0VR-33UA-9XNZF
QUCQ-036W-Y27DD
F0NM-1R2J-XAHHZ
G0WP-HENP-8T4UY
NGWD-5MVU-HVAT9
J1JV-2FW8-MMTTH



Walk Through Walls
Press L3 For Walk Thru Walls, R3 to stop.
6123-A6W8-7439J
QV70-7AG2-KHCRW
TDWD-JYD2-VXYA9
K078-VG05-JG9QG
2510-J97D-TV2GN



FPS Mode
Play Syphon like if it was Half-Life
W25J-NZ9E-VZWJ2
CDVF-M9Q7-UR657
153V-5R3R-WAW8V



1 Hit Kill
With this code, any bullet will do headshot damage.
B1G1-X8X1-F67G0
14G0-QR3F-4V2XN
DQ7Y-8PNC-ZY4QG
ZJ7H-DDGP-R3Q36
BTFQ-ACQP-A8HAY
5FQX-717A-5QP3C
U8K7-28CQ-0ET33



Freeze Timer
PTU1-6FZ6-XCYJP
DZEF-G1UD-EVWZC
9JJU-BAY1-E7VVN



Levitation Mode
Press L3 To activate, press R3 to stop. whilst in levitation mode, press L3+Triangle to go up, L3+X to go down
AZ45-W2R2-2ZDHA
GQ93-58GA-5QU7Z
UHUJ-TJDK-44QVP
HF0Z-JD4J-43Z5G
ZZMP-ZR7P-RTMPQ
GH6V-JXF0-W6P9T
4CQV-M6ZY-JRW8X
TDWD-JYD2-VXYA9
M91W-KE5B-790W2
H7V4-FB6B-1YN1W
2510-J97D-TV2GN
MQ2U-YMPW-Z5T5X
45XD-AA8B-FHZ9U
AJZY-PX2C-9C4HY
FA6T-GK8D-R2J77
3W5E-UN34-KHDGA
Z13G-TDYV-AREQJ
FKF5-FD7D-GD3B7
WGZJ-TDFP-M9MG1
4PUY-0GFK-MQTZ8
HUZ4-16D2-6QV8E



Immuned To Fire/Falls/Bullets
WC72-3NJR-QJKEH
RG14-2F4F-77FVD
P7VU-4ZPH-XDY70
AEZD-XD3P-5XZXX
RX46-MH9Z-W0R6G
57YV-42DA-6ZNET
EA5U-XT29-AV137

thank you man! i am going to try these codes out soon, got dinner now.

ok man, i have just finished and tried them out... and i have... THE M-134 MINIGUN!!! XD!!!

thanks man, i really appreciate this! when i finish my faq for gamefaqs, you'll be mentioned!