Gender-only sign
The gender-only signs, consisting of the male-only sign and female-only sign, are tiles introduced in Chip's Challenge 2. The male-only sign behaves as floor to Chip, Mirror Chip, monsters, blocks, and bowling balls, and is acting wall to Melinda and Mirror Melinda. Conversely, the female-only sign behaves as floor to Melinda, Mirror Melinda, monsters, blocks, and bowling balls, and is acting wall to Chip and Mirror Chip.