Read this if the game doesn't load.
Go Fullscreen
Storm Ops 1
The Objective of the Storm Ops game is to destroy enemy units. After destroying 25 Waves, you get a medal, and you can keep playing as long as possible.
Use Mouse to Aim and Fire
Press R to Reload
Press F to change firing mode
Press V to Peak over the sight
1, 2, and 3 is used to change weapon
Press Q for last used weapon
Related; Storm Ops 2