I really liked your game because it's a mixture of two different kinds of games. This makes me have to both shoot enemies and think about whether or not the statement is true or false.
I also liked the music. It really kept me engaged.
One thing I would like to change, though, is that sometimes it seems like the enemies can sneak up behind you or can spawn next to you, which makes it very hard to play around. I think enemies should only spawn in areas I can see.