Not too tricky to get them working, but getting them working properly is another matter.
For Linux, you can use E-UAE and a front-end to emulate an Amiga.
We used to have an Amiga ages ago. We also had Lemmings, it was brilliant.
It's true to say that the Sega Genesis and Super Nintendo helmed the 16-bit graphic gaming revolution, and that the NES held 8-bit graphic gaming. I'd probably say this held to be true because gaming consoles play games. There's no other software but games (bar things like Mario Paint, of course). Games, games, games. Everything was a game. If you wanted to play games, they did the job well. They were also cheaper to produce, thus could be sold cheaper than a computer, and consumers paid less for them. They were perfect.
A whole computer just to play games on the other hand ... well, anyone born in the late 70s/early 80s will remember how much personal computers cost. Compare it to modern prices, and most would have been happier to have bought a car instead, lol.
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By the way, yes, there is definitely more freedom for experimentation in computers. But of course, what do you think console games are programmed on?
And Lemmings was born out of Amiga and a lot was developed on an Amiga, yes. But don't forget what Mike says in his write up, that the first version was on DOS.