Strike Force Heroes 2
When you play strike force heroes 2, you can customize your soldiers with thousands of weapons, armor, and upgrades in an epic action packed shooting game. The game is free to play online, and there is no need to download anything.
There are many quests in this game, including Duty Calls where you activate a killstreak. You can be Climbing the Ranks if you reach level five with any 1 soldier. If you can complete a mission without dying, you have just completed the Survivor quest. There are 7 other quests in the game and you will enjoy each and every one of them.
To play the game, you can use W/Up arrow key to jump, A/Left arrow key to move left, S/Down arrow key to crouch and D/right arrow key to move right. R/Right click is used to reload, Q/Shift is used for switching weapons and E/CTRL is used for killstreak. The mouse is used to aim and shoot.