The tutorial level
Level and mode selection screen
Each level comes with a number of challenges.
Firing the bazooka
The revolver is much more powerful than the pistol.
A bazooka blast
Monsters turn red when they reach the fire near the bottom of the screen.
The minigun has a lot of recoil.
New character unlocked
There are a few safe places, but you have to come out to get a new crate.
The game demands to know your name (Steam version).