I recently came across some very bizarre and funny mods that have been done to older NES games, presumably for the lulz. Some of them are better than others, but I wish I'd had the option of playing as Chip or Dale in Heavy Barrel. 
[yt]https://www.youtube.com/watch?v=gcAtSdl8YcA[/yt]
[yt]https://www.youtube.com/watch?v=SmwLQptTuaY[/yt]
Mowgli inserted into a Donkey Kong Country engine.
[yt]https://www.youtube.com/watch?v=BrzjOrvZvIw[/yt]
Mario's new incarnation of the mushroom kingdom is rather trippy.
[yt]https://www.youtube.com/watch?v=pI97jO2WdRQ[/yt]
Ever wondered what Super C would look like if Darkwing Duck was fighting alien Donkey Kongs and Yoshis? Probably not, but it exists anyway.

[yt]https://www.youtube.com/watch?v=gcAtSdl8YcA[/yt]
[yt]https://www.youtube.com/watch?v=SmwLQptTuaY[/yt]
Mowgli inserted into a Donkey Kong Country engine.
[yt]https://www.youtube.com/watch?v=BrzjOrvZvIw[/yt]
Mario's new incarnation of the mushroom kingdom is rather trippy.
[yt]https://www.youtube.com/watch?v=pI97jO2WdRQ[/yt]
Ever wondered what Super C would look like if Darkwing Duck was fighting alien Donkey Kongs and Yoshis? Probably not, but it exists anyway.