Simon Clarke* · Firebird Software* +1*
Spiky Harold*

At a glance
Genres
- platform game*
- action game*
Game facts
Developers
- Simon Clarke*
- Firebird Software*
- Simon Sorsbie*
Publishers
- Firebird Software*
Platforms
- Commodore 64*
- ZX Spectrum*
- Commodore Plus/4*
- Amstrad CPC*
- Atari 8-bit*
Players by platform
- ZX Spectrum*
- Maximum players (mode unspecified)
- 1*
- Commodore 64*
- Maximum players (mode unspecified)
- 1*
- Amstrad CPC*
- Maximum players (mode unspecified)
- 1*
- Atari 8-bit*
- Maximum players (mode unspecified)
- 1*
- Commodore Plus/4*
- Maximum players (mode unspecified)
- 1*
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* Provisional data