There are two difficulty levels.
The introduction sequence
Start of the first mission. Valkyl will assist you.
Access the recycle menu at any time to turn scrap into useful power-ups and items.
You can shoot in any direction, indicated by the large cross-hair on the screen.
You regularly require new attacks and abilities.
In difficult situations you can use the Valkyl cannon.
Blowing up a crawling enemy
Using an elevator and enabling a checkpoint
Certain blocks can be destroyed, also often used to find secret areas.
A platforming section with rolling areas
This boss is a giant worm unharmed by the lava below.
Catching a sneaky opponent in the air
Enemies respawn as soon as you leave a screen.
Building up a combo against this giant boss
Sneaking up an enemy from behind
This is the laser cannon.
The health of bosses is shown near the bottom of the screen
A cut-scene with Dr. Carson
The third weapon you acquire sends out waves.
Charging up an EMP grenade
Charging up a regular grenade
The Valkyl cannon cannot be used all the time.
This boss blocks all my attacks.
The fourth weapon is a photon cannon.
You need to break three barriers to break down here.
Dodging a giant laser beam