Project Em won 2nd place At Penn Apps XIV in 2016. It is a voice-control 3D puzzle platform game that uses Amazon's Alexa API to interact with an AI character in game, named Em. The game uses speech as the sole way of communication - by having the player speak directly into a mic - to the character named "Em". Player can inquire about her observation of the environment and request her to perform certain tasks such as opening door or navigate to a different room.
Below is some screenshots of Em within the level.