Materials: Must have a value of less than $5. This means that every object your game uses must have been purchased or be purchasable for less than $5 dollars total. You can already own it, but subtract its market value from your budget. Also, you can buy things cheaper, used materials if you can find them, but no free things.
Instructions: No more than 250 words. Game must be playable with only the instructions
Text: No more than 250 words
Scripts: No more than 5k total file size
Scripts: No more than 10k total size of all files, including shaders, and no external libraries
Graphics: No more than one 256 x 256 px texture (likely as a sprite sheet)
Audio: No more than 10 seconds total audio, including music and sound effects. Feel free to compose and recombine these clips procedurally at runtime.
3D Models: No more than 1000 tris. This pertains only to models built in modeling software. Procedural generation of geometry is ok.