Type COWABUNGA on the title screen and Bart shall become invulnerable.

Batman Forever:

After it says" Game activated", type "LULLABY" then press [F10] for the cheat menu.

Battle Beast:

At the main screen enter these codes for the following effects:
ITIHFO- Fight 3 rounds instead of just one.
ERHNE- Fight all the characters instead of one.
AOFREOIO- Open all bonus doors.
OFOVH- 2X in bonus room.
ERHYRLY- Makes the Toadman weaker(like you need this one).
OAOAEIOA- Autofly mode in lab.
OIVNNFOF- Tadpoles attacking in labs enabled.
EHRTRR- Autofly in bonus rooms enabled.

Battledrome:

When you type in your name at the main screen, simply add an asterisk (*) as the first letter of your name. You'll find that you have all the money you need to buy the best equipment for your battles in the arena.

Battle Arena Toshinden:

At the main menu enter these codes:
GIMMEJIM- Boss code
VIRTUAL- First person perspective
FUNNYHEADS- Big heads
LIFEISUNFAIR- Special moves

Level Codes:
03. GEGIDOS
04. WABODAE
05. BUFASWE
06. GEHAVWA
07. OLARIBU
08. FITORGE
09. DAFATWA
10. WABIKDO
11. GEEUSAT
12. KAIMAWA
13. SIETIBU
14. GEDEROM
15. ULUAGRE
16. ABUNDWA
17. LANADAGE
18. WAFETAL
19. BUSALUG
20. GEKEFZU

Battle Isle 3

Level Codes:
03. 1653486
04. 9745642
05. 3756838
06. 2957843
07. 8844366
08. 2375411
09. 3854653
10. 5647332
11. 4092664
12. 7564366
13. 8264241
14. 3243554
15. 5487436
16. 1353411
17. 4524338
18. 6731244
19. 1243371
20. 6245425

Battle Squadron

On the title page type "ELECTRONIC" for a list of options . During the game type "CASTOR" makes your ship invulnerable.

Beer

For unlimited lives, an inexhaustible bank account and invulnerability, star the game with the command " BEER /007.*" replace the * with one of the following:
- Unlimited lives
Unlimited money
Invulnerability
To select multiple options, add the numbers together. i.e., (4) and (2) enter
BEER /007.6

Betrayal At Krondor

All Chapter level codes:
2. 9216
3. 7702
4. 2132
5. 5052
6. 0680
7. 0194
8. 4743
9. 9995

Better Dead Than Alien:

To get a list of cheat keys, type CHAMP while in the option screen, then press the help key.

Big Red Racing:

Hidden Tracks:
U.S.A.: Use the boat with the big propellers. Go off-road to the left. Some of the hills are tough to get up , but at some part of the track, the hills are very small. If you get up you'll find many awesome jumps, a few gorges, and alot of ways to  get flipped over.

Blake Stone:

To access debug mode, start the game with the command "BSTONE POWERBALL". When the Jam logo appears, press and hold LEFT [SHIFT] then press and hold  RIGHT [SHIFT] . If you did this right, a sound will chime.
To use debug mode, enter any of the commands below while playing:
BACKSPACE, B- Border color
BACKSPACE, C- Statistics
BACKSPACE, E- Jumps ahead to end of next level
BACKSPACE, F- Display X and Y coordinates and angle
BACKSPACE, G- God mode on/off
BACKSPACE, H- Hurt yourself
BACKSPACE, I- Free items
BACKSPACE, M- Display memory usage
BACKSPACE, Q- Quit to dos
BACKSPACE, S- Slow motion no/off
BACKSPACE, T- Display walls, sprites and sound waveforms
BACKSPACE, V- Add extra VBL's (huh?)
BACKSPACE, W- Warp to any level

Blitz:

Level Codes:
02 - SERRIA
MOUSE
HERBERT
COMPACT
FERRARI
GELESBY
PLANE
DESKJET
EARNEST

Blood:

Type in "T", cheat code then enter.
I WANNA BE LIKE KEVIN-  God mode
MONTANA- Full weapons and items
LARA CROFT- All guns and unlimited ammo
KEYMASTER- All keys
GRISWOLD- 200 Armor
SPORK- 200 Health
MARIO- Leverl warp
ONERING- Invisibility
EVA GALLI- No clipping
GOONIES- Display whole map
FUNKY SHOES- Boots
MCGEE-Light yourself on fire
JOJO- Drunk

Blood And Magic:

To enter these codes, hold [ALT] and type the desired phrase.( Note all creatures you create in this manner will be givin to the computer as well.
FOG? WHAT FOR?-  Show alll map
BOOST- Maximum mana
SHADOW- Create wraith
BODY GAURD- Create guardian
SMOG- Create wyrm
YOGI- Create ranger
GOLEM- Create stone goblem

Bug!

Choose the help menu then select ABOUT. Hold SHIFT and clik on Bug's pupil. A whie box willl appear. Type BABYSEALS the click on WOW. A blank menu willl appearnet to the help menu. This menu includes level select,  God mode and more.