Видео ютуба по тегу Johan Koelman

The Edge 2009 YRS Dr BEEP Johan Koelman Netherlands SINCLAIR ZX SPECTRUM
The Edge 2009 YRS Dr BEEP Johan Koelman Netherlands SINCLAIR ZX SPECTRUM
Grand Pr1x [(Grand Prix) 2009 YRS Dr BEEP Johan Koelman Netherlands] ZX Spectrum 48K
Grand Pr1x [(Grand Prix) 2009 YRS Dr BEEP Johan Koelman Netherlands] ZX Spectrum 48K
The Digital Lifestyle Show #794 – 1K programming with Johan Koelman
The Digital Lifestyle Show #794 – 1K programming with Johan Koelman
Brand new ZX81 hires games with Johan Koelman in the house!
Brand new ZX81 hires games with Johan Koelman in the house!
Breakout Technical explanation
Breakout Technical explanation
Artillery Duel 1K ZX81 (Hi-Res) by Johan
Artillery Duel 1K ZX81 (Hi-Res) by Johan "Dr Beep" Koelman (2016)
City Escape 1K (Hi-Res) ZX81 by Johan
City Escape 1K (Hi-Res) ZX81 by Johan "Dr Beep" Koelman
Car Race 1K (Hi Res) ZX81 by Johan (Dr. Beep) Koelman
Car Race 1K (Hi Res) ZX81 by Johan (Dr. Beep) Koelman
OPENBARING 16 Van der Werf (Johan Philip Koelman 1884)
OPENBARING 16 Van der Werf (Johan Philip Koelman 1884)
Johan Koelman tells Radio 2 about the Spectrum30 show
Johan Koelman tells Radio 2 about the Spectrum30 show