rat playing doom

Rats Get Even Better At Playing DOOM

We all know that you can play DOOM on nearly anything, but what about the lesser known work being done to let other species get in on the action? For ages now, our rodent friends haven’t been able to play the 1993 masterpiece, but [Viktor Tóth] and colleagues have been working hard to fix this unfortunate oversight.

If you’ve got the feeling this isn’t the first time you’ve read about rats attempting to slay demons, it’s probably because [Victor] has been working on this mission for years now — with a previous attempt succeeding in allowing rats to navigate the DOOM landscape. Getting the rodents to actually play through the game properly has proved slightly more difficult, however.

Diagram of screen in front of rat playing doom

Improving on the previous attempt, V2 has the capability to allow rats to traverse through levels, be immersed in the virtual world with a panoramic screen, and take out enemies. Rewards are given to successful behaviors in the form of sugar water through a solenoid powered dispenser.

While this current system looks promising, the rats haven’t gotten too far though the game due to time constraints. But they’ve managed to travel through the levels and shoot, which is still pretty impressive for rodents.

DOOM has been an indicator of just how far we can take technology for decades. While this particular project has taken the meme into a slightly different direction, there are always surprises. You can even play DOOM in KiCad when you’re tired of using it to design PCBs.

Playing The Guitar Of DOOM

Over the years, we’ve seen DOOM run on pretty much everything from an 8088 to a single keycap. We’ve also written up one or two controllers, but we don’t think we’ve ever seen anything like this — playing DOOM with an electric guitar.

The guitar in question is a Schecter Hellraiser Deluxe, which seems like a great choice to us. In order to get the notes to control the game, [DOS Storm] converted a handful of notes to MIDI using a VST plugin called Dodo MIDI 2 and the Reaper DAW. Then it was a matter of converting MIDI to keystrokes. This took two programs — loopMIDI to do take the MIDI data and route it elsewhere, and MIDIKey2Key to actually convert the MIDI to the keystrokes that control DOOM.

The result is that the notes that move Doomguy around are mostly in an A-major bar chord formation, with some controls up in the solo range of the fret board. Be sure to check out the demo video below and watch [DOS Storm] clear level one in a fairly impressive amount of time, considering their controller is a guitar.

That key cap isn’t even the most ridiculous thing we’ve seen DOOM running on. It’s probably a toss-up between that and the LEGO brick.

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