GAME GENIE CODES: Turrican.
 No.  Code  Effect
   1  AFAA-AAFY  Start with 1 life
   2  BFAA-AAFY  Start with 9 lives
   3  EZAA-AAFY  Start with 25 lives
   4  LBAA-AAFY  Start with 50 lives
   5  XFAA-AAFY  Start with 99 lives
   6  REXT-A6YR  Infinite lives
   7  AAXA-AAC8  Start with no grenades
   8  BEXA-AAC8  Start with 9 grenades
   9  XEXA-AAC8  Start with 99 grenades
 10  XEXA-AWC8  Start with 999 grenades
 11  AAXA-AADE  Start with zero mines
 12  BEXA-AADE  Start with 9 mines
 13  XEXA-AADE  Start with 99 mines
 14  XEXA-AWDE  Start with 999 mines
 15  AAXA-AADL  Start with no power lines
 16  BEXA-AADL  Start with 9 power lines
 17  XEXA-AADL  Start with 99 power lines
 18  XEXA-AWDL  Start with 999 power lines
 19  ABBA-AAAJ  Start with no buzzsaws
 20  AFBA-AAAJ  Start with 1 buzzsaws

With Code 21, only 3 buzzsaws will show on the screen, but you'll get 9.
 21  BFBA-AAAJ  Start with 9 buzzsaws
 22  AJZT-AA6L  Infinite buzzsaws
 23  ABGT-EWFT  Start 1st level timer at 900
 24  BAXA-BA4T  Time goes by faster
 25  AECA-AAHY  Start with 1 continue
 26  A2CA-AAHY  Start with 6 continues
 27  BECA-AAHY  Start with 9 continues
 28  AJ6T-AA7L  Infinite continues
 29  BAHT-BA2G  Each crystal worth 8 instead of 1
 30  C2HT-BA2G  Each crystal worth 16 instead of 1

With Code 31 just ignore the way the energy bar looks.
 31  C2YA-AA64  Infinite energy

With Code 32, when you want to shoot bullets, select grenades.
 32  AALA-AAEL  Always shoot grenades instead of bullets

With Code 33, when you want to shoot bullets, select power lines.
 33  AALA-AAEY  Always shoot power lines instead of bullets
 34  KJXA-BLZ0 + KEXA-BLZ2  Infinite time, grenades, mines, and power lines  
 35  SECA-BEXR  Start in world 1, level 1.2
 36  SECA-BJXR  Start in world 1, level 1.3
 37  SECA-BNXR  Start in world 2, level 2.1
 38  SECA-BTXR  Start in world 2, level 2.2
 39  SECA-BYXR  Start in world 3, level 3.1
 40  SECA-B2XR  Start in world 3, level 3.2
 41  SECA-B6XR  Start in world 3, level 3.3
 42  SECA-BAXR  Start in world 4, level 4.1
 43  AJCA-AA5J + 9TCA-BGMN
 + BECA-AADR		  Start in world 4, level 4.2
 44  AJCA-AA5J + 9TCA-BGMN
 + BJCA-AADR		  Start in world 4, level 4.3
 45  AJCA-AA5J + 9TCA-BGMN
 + BNCA-AADR		  Start in world 5, level 5.1
 46  AJCA-AA5J + 9TCA-BGMN
 + BTCA-AADR		  Start in world 5, level 5.2
 47  ANMT-BT6Y + REMT-A6Y0    Shoot multiple shots instead of single
 48  BAHA-BA88  Each grenade token worth 8
 49  EAHA-BA88  Each grenade token worth 20
 50  BAHA-BA9G  Each mine token worth 8
 51  EAHA-BA9G  Each mine token worth 20
 52  BAHA-BA9R  Each power line token worth 8
 53  EAHA-BA9R  Each power line token worth 20
 54  RFZT-A604  Makes the Gauntlet easier to defeat
 55  RF5A-A6W8  Makes Dead Head easier to defeat
 56  RGHA-A60Y  Makes Trash Monster easier to defeat
 57  RGDA-A6VT  Makes Mother Fish easier to defeat
 58  BAZA-AA2G  Force field lasts until the next level
 (after you get a force field token)

Download The Big Book of Game Genie Codes.