استوديوهات

Toys for Bob

Llamasoft

Frédérick Raynal

I don't know

Absolute Entertainment

David Fox

Manfred Trenz

Which Countdown do you mean? (year or publisher

NuFX

Melbourne House

Horror Soft

Lemris

Adventure International

Pablo García

Crack dot Com

Jeff Tunnell

Datamost

Could you share a source or any additional detail (year, publisher, or region) to identify the developer

Brian Fargo

Sculptured Software
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