Not quite what you meant, but close enough for a mention: The Playdate.
It's a platform specifically made for games (as opposed to a Raspberry Pi for example), has a library of great games and is ostensibly easy to develop for.
Basically failing to lift weights that you could lift say last week. There are other factors too of course like fatigue, food, etc. that can make you fail to lift the same weights.
It's a platform specifically made for games (as opposed to a Raspberry Pi for example), has a library of great games and is ostensibly easy to develop for.