Here are 3 games created using unity.
Smashy Duo: Smashy duo is a unique, fast paced arcade action game where you control 2 heroes to hit as many monsters as possible before one of the heroes are knocked off the stage. Created by Big Frost games and released on august 30th and was created using unity.
Plague Inc: Plague inc is a real-time strategy simulation video game published by Ndemic creations. In this game the player creates and evolves a pathogen to destroy the world. The game has a realistic set of variables to simulate the spread and severity of the plague. this was also created using unity.
Broforce: Broforce is a side-scrolling, run and gun platform video game developed by free lives and published by Devolver Digital. Development began in 2012 and fully released on October 15th 2015. The PS4 version of the game was then released on the 1st of march 2016. Also created using unity.