List of masksEdit
- Main article: Rotate RGB
Rotate RGB shifts the red, green, and blue (RGB) color channels of the image.
- Main article: XOR 0x80
Xor 0x80 alters the colors of the image.
- Main article: Flip
Flip up-down and Flip left-right flip the image.
- Main article: Negative
Negative inverts the colors of the image.
- Main article: Glass Blocks
Vertical Glass Blocks and Horizontal Glass Blocks divide the region into columns and rows (respectively), then flipping each row horizontally or vertically.
- Main article: Win Mask
The Win Mask divides the region into thin single-pixel columns and shuffles them.
- Main article: Meko Mask
The Meko Mask and Meko + Mask divide the region into 16x16 blocks and shuffle them.
- Main article: FL Mask
The FL Mask creates a characteristic spiral pattern of the region.
- Main article: Q0 Mask
The Q0 Mask is equivalent to simultaneous use of "Negative", "Vertical Glass Blocks", and "Horizontal Glass Blocks".
- Main article: CP Mask
The CP Mask uses a user-input password to create a mess that's only solvable if the same code is used to reverse it.