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Reverse engineering Animal Crossing’s developer mode

Last summer I began reverse engineering Animal Crossing for the GameCube to explore the possibility of creating mods for the game. I also wanted to document the process to create tutorials for people...

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Finding and exploiting hidden features of Animal Crossing’s NES emulator

While looking for ways to activate the developer menus left over in Animal Crossing, including the NES emulator game selection menu, I found an interesting feature that exists in the original game that...

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Making a GameCube memory card editor with Raspberry Pi

I started this project because I wanted to be able to use save file modifications I was testing in the Dolphin emulator on real GameCube hardware. One, because some of the weirder features of the...

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CSCG 2020 Maze game hacking challenge writeups

A couple of months ago I took a crack at the Maze challenges in the CSCG 2020 CTF and thought a few of the challenges were really interesting, so I wanted to share how I solved them.I found out about...

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Dumping K360 wireless keyboard firmware with a GreatFET

I recently decided to do some keyboard hacking for fun, so I started with one of the cheapest Logitech wireless keyboard models available: the K360. This model is a little old and the main chip inside...

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Reversing the Pokémon Snap Station without a Snap Station

Back in 1999 when the original Pokémon Snap was released for the Nintendo 64, one of its coolest features was that you could print out the photos you took in-game on sticker sheets using a Snap...

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Modifying Embedded Filesystems in ARM Linux zImages

I originally worked on this about a year ago and submitted it to PoC||GTFO in February 2021, as you might guess from some of the text. If you want to skip the walkthrough of the naive editing approach...

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