Our friend Donald Bell put together an excellent little tour of some of the game designs from the alt.ctrl showcase at last week's Game Developers Conference in San Francisco.
And here's a handy link list that Donald provides to the game projects covered:
HELLCOUCH: A Couch Co-op Game (Carol Mertz, Francesca Carletto-Leon)
Continuum Bacterium (HNRY)
Machinaria (Black Mamba Studio)
HOT SWAP: All Hands On Deck (Peter Gyory, Clement Zheng)
More details on Mechamagnets
More on Alt.Ctrl
Game highlights of Alt.Ctrl 2018
Make: Coverage of Alt.Ctrl 2019