Commodore 64

21st Century

2

A n F Software

4

Access

8

Accolade

20

ACE Software

2

Activision

47

Addictive Games

4

Addison-Wesley

1

Adventure International

6

Adventuresoft UK

2

Again Again

2

Alligata

33

Alternative

29

Anco

3

Anirog

8

Apex Computer

1

Argus Press

4

Ariolasoft

4

Artic Computing

5

ASP

1

Atarisoft

3

Atlantis

10

Audiogenic

10

Automata

1

Beyond

4

Blade

1

Broderbund

12

Bubble Bus

23

Buena Vista Software

1

Bug Byte Software

4

Bulldog Software

4

Byte Back

2

Capcom

5

Cascade

7

CBS Software

2

CDS Microsystems

1

Chip

1

Cinemaware

4

Code Masters

37

Coktel Vision

1

Commodore

15

Core Design

3

Cosmi

4

CP Verlag

1

Creative Sparks

3

CRL Group

20

Crystal Computing

1

Data East

3

Datasoft

11

Demonware

1

Destiny Software

1

Digital Integration

3

Dinamic

16

DK Tronics

2

Domark

28

Dream Software

1

Durell

13

Dynavision

1

Electra

1

Electric Dreams

10

Electronic Arts

36

Elite

32

Empire

4

English Software

3

Enigma Variations

1

Epyx

25

ERE Informatique

1

Fantasy Software

1

Firebird

47

First Star Software

12

Flair

6

Gamestar

1

Genias

4

Gilsoft International

5

Go!

13

Grandslam

13

Gremlin Graphics

62

HesWare

11

Hewson

27

Hi-Tec Software

22

Idea Software

5

Image Works

15

Imagic

1

Imagine Software

34

Impulze

2

Incentive

12

Infocom

28

Infogrames

15

Interceptor

2

Interplay

1

Kingsoft

3

Konami

4

Krisalis

2

Legend

1

Leisure Genius

1

Level 9 Computing

10

Linel

2

Llamasoft

3

Logotron

4

Loriciels

4

Lucasfilm Games

5

Macsen

1

Magic Bytes

6

Magnetic Scrolls

6

Martech

18

Mastertronic

53

Mastervision

1

MC Lothlorien

3

Melbourne House

27

Micro Style

2

Microids

2

MicroIllusions

1

Micromega

1

MicroProse

11

Microsphere

1

MicroValue

1

Mikro-Gen

6

Millennium

2

Mindscape

12

Mirrorsoft

8

Mogul

1

Monarch

1

Mr Micro

2

Muse Software

3

Namco

2

New Generation

2

New World Computing

1

Nexus Productions

1

Novagen

1

Ocean

85

Origin Systems

12

Palace Software

8

Pandora

3

Paragon

4

Parker Brothers

5

Piranha

6

Pirate

1

Play Byte

1

Players

24

PSS

2

Psyclapse

2

Psygnosis

5

Quicksilva

12

Rainbird

6

Rainbow Arts

20

ReadySoft

1

Reaktor

3

reLINE

2

Screen 7

2

Sega

1

Shades

1

Sierra

4

Silverbird

7

Simulmondo

5

Sinclair Research

1

Sir-tech

1

Sirius Software

12

SNK

2

Software Projects

6

Software Toolworks

1

Spectrum Holobyte

2

SSI

22

Starlight

1

Storm

6

subLOGIC

3

Superior

2

Supersoft

3

Synapse

17

System 3

13

Taskset

3

Terminal

2

Thalamus

13

Thalion

3

The Edge

11

The Power House

1

Thorn EMI Video

1

Time Warp

1

Titus

7

Topo Soft

3

Tynesoft

7

Ubi Soft

4

Ultimate Play The Game

3

Ultra Software

1

US Gold

63

Virgin Games

16

Virgin Mastertronic

13

Vortex

1

Windham Classics

1

Zeppelin

33

Zigurat

1