Virtua Racing.
 No.  Code  Effect
   1  C5NA-EA4E  Backwards tracks--select backwards logo in mode select screen
   2  KR6A-F80C  Start with 95 sec. on easy level
   3  L06A-FA0C  Start with 85 sec. on normal level
   4  NR6A-FA0C  Start with 99 sec. on normal level
   5  AC6A-E00E  Start with 75 sec. on hard level
   6  AC6A-FL0E  Start with 85 sec. on hard level
   7  AC6A-EG8E  Start with 99 sec. on hard level
   8  AL3A-EA9L  Timer doesn't count down (lap counter still does)
   9  B4SA-FA54  15 sec. added for checkpoints on Beginner and Medium courses  
 10  CWSA-FA54  20 sec. added for checkpoints on Beginner and Medium courses
 11  DGSA-FA54  25 sec. added for checkpoints on Beginner and Medium courses
 12  D4SA-FA54  30 sec. added for checkpoints on Beginner and Medium courses
 13  CWSA-FA6E    20 sec. added for checkpoints on Expert course
 14  DGSA-FA6E  25 sec. added for checkpoints on Expert course
 15  D4SA-FA6E  30 sec. added for checkpoints on Expert course
 16  3CLT-EAGT  Accelerate and decelerate slightly faster
 17  0CLT-EAGT  Accelerate and decelerate faster
 18  XCLT-EAGT  Accelerate and decelerate much faster
 19  TCLT-EAGT  Accelerate and decelerate very quickly
 20  NCLT-EAGT  Accelerate and decelerate extremely fast
 21  ECLT-EAGT  Accelerate and decelerate instantly
 22  AFDT-EABR  1 lap in Virtua Racing mode instead of 5
 23  AKDT-EABR  2 laps in Virtua Racing mode
 24  APDT-EABR  3 laps in Virtua Racing mode
 25  AVDT-EABR  4 laps in Virtua Racing mode
 26  A3DT-EABR  6 laps in Virtua Racing mode (lap counter gets weird after 5)
 27  ALRT-EA2W  Finish 1st in every race you complete