You can double click the The-revenge-of-DaNiu\executeFile\test.exe and choose the appropriate resolution and fantastic quality to play the game
You can also download unity to rebuild the project and modify as you like,I upgrade the project to the lastest Unity(Unity5.3.2f1).
W（UpArrow） up
S（DOwnArrow） down
A（LeftArrow） left
D（RightArrow） right
left mouse click shoot//you should get your weapon first
num 1/2 change weapon//you should get different weapon
#enjoy the game