ZX Spectrum

A n F Software

5

Accolade

4

ACE Software

2

Activision

31

Addictive Games

2

Adventure International

6

Again Again

2

Alligata

16

Alternative

27

Anco

3

Anirog

4

Argus Press

2

Ariolasoft

5

Artic Computing

7

ASP

1

Atarisoft

1

Atlantis

9

Audiogenic

5

Automata

2

Beyond

4

Blade

1

Bubble Bus

6

Bug Byte Software

5

Bulldog Software

4

Byte Back

1

Carnell Software

1

Cascade

7

CDS Microsystems

1

Cinemaware

1

Code Masters

44

Core Design

2

Creative Sparks

3

CRL Group

16

Crystal Computing

1

Databyte

2

Destiny Software

1

Digital Integration

3

Dinamic

20

DK Tronics

3

Domark

26

Dream Software

1

Dro Soft

3

Durell

14

Dynavision

1

Electric Dreams

8

Electronic Arts

6

Elite

28

Empire

2

Enigma Variations

1

ERE Informatique

1

Fantasy Software

1

Firebird

45

Front Runner

1

Gargoyle Games

3

Gem Software

1

Gilsoft International

5

Global Software

1

Go!

17

Grandslam

11

Gremlin Graphics

59

Hewson

28

Hi-Tec Software

18

Icon

1

Image Works

11

Imagine Software

44

Impulze

4

Incentive

12

Infogrames

13

Interceptor

2

Investronica

1

Konami

4

Krisalis

2

Legend

1

Leisure Genius

3

Level 9 Computing

11

Linel

2

Logotron

1

Loriciels

5

Macsen

1

Magic Bytes

4

Magnetic Scrolls

5

Martech

23

Mastertronic

53

Mastervision

1

MC Lothlorien

2

Melbourne House

26

Micro Style

2

Micromega

2

MicroProse

4

Microsphere

1

Mikro-Gen

7

Mind Games

1

Mindscape

4

Mirrorsoft

7

Mr Micro

2

New Generation

1

Nexus Productions

2

Novagen

1

Ocean

89

Opera Soft

8

Origin Systems

1

Palace Software

7

Pandora

1

Paragon

1

Parker Brothers

1

Piranha

5

Pirate

1

Players

30

Positive

1

Prism Leisure

1

PSS

3

Psygnosis

3

Quicksilva

12

Rainbird

3

Rainbow Arts

5

Reaktor

4

Scorpio Gamesworld

1

Screen 7

2

Silverbird

5

Sinclair Research

5

Software Projects

7

SSI

1

Starlight

1

Storm

4

Superior

1

System 3

8

Taskset

1

Terminal

1

Thalamus

2

The Edge

11

The Essential Myth

1

The Power House

1

Thorn EMI Video

1

Titus

6

Topo Soft

8

Tynesoft

5

Ubi Soft

6

Ultimate Play The Game

15

US Gold

93

Virgin Games

19

Virgin Mastertronic

6

Vortex

3

Zeppelin

25

Zigurat

1