Update README.md

README.md

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 # Snake written in x86-64 with NASM
 
-Or at least it will be soon.
+<p align="center">
+  <img src="https://github.com/user-attachments/assets/1e847582-f417-430d-b8bd-3dc17b13bbde" />
+</p>
+
+It's the hit game snake! Written completely from scratch in assembly only using the Windows operating system APIs.
 
 ## Why does the code suck?
 
-I've never built software in assembly before. In addition, x86-64 isn't very human friendly in comparison to simpler architectures.
+I've never built an entire application in assembly before. In addition, x86-64 isn't very human friendly in comparison to simpler architectures.
+
+### So why build it in x86-64?
+
+To become more familiar with the architecture so I am better at reverse engineering 64-bit applications.
+
+## How to build
 
-## So why build it in x86-64?
+Make sure you have
+- [Netwide assembler](https://nasm.us/)
+- Any 64-bit compatible linker (like [gcc](https://gcc.gnu.org/))
 
-To become more familiar with the architecture so I am better at reverse engineering 64-bit applications.
+Then run this in command prompt
+```sh
+nasm -f win64 snake.asm && gcc snake.obj -o snake.exe -luser32 -lkernel32 -lgdi32 && snake.exe
+```