I may have just wasted an hour looking for this. At the time the concept of putting a TV on a shelf and standing up looked like the best thing ever.
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Vintage,, overpriced supergun there too.
That's mad
The Cyber-Tech Universal Energiser was an early 1990 retro gaming device—essentially an early form of a "supergun"—released around September 1990 by Cyber-Tech Distributions in Dursley, Gloucestershire, UK. Priced at roughly £179.95, it was marketed as a console that allowed users to plug arcade printed circuit boards (PCBs) directly into a home television via SCART be amazing if someone had one still
You could have made something like that to save spending £99 but would I want to stand up playing games on my C64 at home, not really

just having a standard joystick plonked on the front is so lame, that should have at least had an arcade style joystick panel which is all I could have fitted in as I never had space in my bedroom for anything like that if I wanted it. I made myself a steering wheel and pedals to play driving games but I didn't make that till I had the ST or Amiga as I only remember playing Lombard RAC Rally with it, Buggy Boy on C64 would have been epic with it but never had Buggy Boy on Amiga
Having one of those Universal Energisers would have been unreal specially if you could get some older arcade pcbs for price of Console Carts
Telegames wasn't far from me, i remember getting some leaflets or something when I bought some stuff, maybe I still have it with lists of all the games etc they were selling
I never had the money to even buy all the magazines in the 80s let alone the many games for C64, I used to buy old copies of Zzap magazine from Leicester Commodore Centre, used to be 20p I think and we'd sit in Asda writing down the pokes from current magazines, digital camera would have been real handy then lol
so having a console wasn't worth it for me as I'd hardly have any games but always been happy with Computer systems and then proper PC for gaming