"Strike Force Heroes" is free to play at a number of websites, such as Jay Is Games and Armor Games. It can be played in a web browser with Macromedia Flash installed.
"Strike Force Heroes" is a single-player arena shooter in which the player controls a team of soldiers. Each level has varying objectives, such as capturing the enemy flag or racking up a certain number of kills. There are a number of different character classes to play, and each class gains experience as kills are gained, which gradually unlocks new weapons and abilities. The game has had several sequels released.