A

• [+] Activision (2 C, 24 P)
• [+] Activision Blizzard (3 C, 2 P)
• [+] Ambrosia Software (1 C, 3 P)
• [+] Artix Entertainment (8 P, 15 F)
• [+] Atari (5 C, 31 P)

B

• [+] Big Fish Games (19 P)
• [+] Black Isle Studios (1 C, 5 P)
• [+] Blizzard Entertainment (6 C, 27 P)
• [+] Bungie (1 C, 7 P)

C

• [+] Capcom (6 C, 11 P)
• [+] Cing games (7 P)

D

• [+] Datam Polystar (4 P)
• [+] Double Fine Productions (5 P)

E

• [+] Electronic Arts (4 C, 29 P)
• [+] Epic Games (1 C, 5 P)

F

• [+] Freeverse (12 P)

G

• [+] Grasshopper Manufacture (1 C, 9 P)

H

• [+] HAL Laboratory (2 C, 1 P)

I

• [+] Insomniac Games (1 C, 14 P)
• [+] Intelligent Systems (3 C, 5 P)

K

• [+] Koei (1 C, 7 P)
• [+] Konami (5 C, 29 P)

M

• [+] Marvelous Entertainment (43 P)
• [+] Maxis (1 C, 9 P)
• [+] MicroProse (1 C, 8 P)
• [+] Midway Games (1 C, 156 P)
• [+] Mistwalker (1 C, 1 P)
• [+] Monolith Productions (3 C, 7 P)

N

• [+] NCsoft (28 P)
• [+] Namco (3 C, 28 P)
• [+] Namco Bandai (4 C, 6 P)
• [+] NinjaBee (7 P)

N cont.

• [+] Nintendo (13 C, 33 P)

O

• [+] Ocean Software (1 C, 64 P)

P

• [+] Pangea Software (7 P)

R

• [+] Retro Studios (1 C, 1 P)

S

• [+] S2 Games (1 C, 3 P)
• [+] SNK Playmore (4 C, 5 P)
• [+] Sega (13 C, 37 P, 4 F)
• [+] Sierra Entertainment (1 C, 13 P)
• [+] Skip Ltd. (1 C, 1 P)
• [+] Sony Computer Entertainment (6 C, 50 P)

T

• [+] Take-Two Interactive (1 C, 21 P)
• [+] Tapulous (1 C, 1 P)
• [+] Thatgamecompany (6 P)
• [+] Three Rings Design (6 P)

V

• [+] Valve Corporation (3 C, 21 P)

W

• [+] WildTangent (1 C, 2 P)