Happy New Year everyone!
There are a few new demo projects on HowToConstructDemos.com:
LINK Tilting platform (seesaw) in a platformer game
LINK Simple camera scrolling in a top-down view game
LINK Chess game for two players! This is an implementation of chess.js library, which supports chess move generation/validation, piece placement/movement, and check/checkmate/stalemate detection - everything but the AI.
LINK Physics ragdoll (paid)