Tamagotchi is the whole aesthetic of a 1996 keychain egg: a low-res monochrome LCD pixel-pet trapped inside a glossy candy-shell of translucent pink, purple, and cyan plastic. It lives in the tension between two textures — a crunchy pea-green dot-matrix screen of blinking creatures and pixel poop, and the injection-molded gloss of a toy egg with three fat rubber buttons.
It made an ugly-cute pixel blob into a global object of care. The design language says feed me, clean me, or I flatline — but do it on a screen the size of a stamp, wrapped in bubblegum plastic. Chunky pixel glyphs, hard molded-seam drop-shadows, and a palette pulled straight off a Y2K claw-machine shelf.