Note: The sound effects are very loud. Use with caution at work!</p><h5>Instructions</h5>

This Flash game is based off the UA 571-D Ground Sentry used in the beginning of Serenity to bring down the Alliance skiff. Points are gained for shooting down Skiffs and lost for letting them by. You cannot be destroyed, but if the enemy skiff manages to hit your Ground Sentry, your targeting will go out of whack and you may lose power to your guns for a moment. Once your ammo is depleted, the game is over. This Flash is entirely mouse controlled - left, right, up, down, and the button shoots. Click the Start Game button to begin. To restart the game, refresh your browser.</p>

<ol type="A"><li>Targeting ring - The UA 571-D targets incoming aircraft. Aim the crosshairs in the middle of the game area at the centre of the inner ring. The tighter the rings, the better your chances of hitting. Your easiest shot comes when the enemy skiff is flying straight for you, which is a mixed blessing.</li><li>Score - Every Skiff you bag gets you a point. Every one you miss takes one away.</li><li>Vertical angle - Measures the angle from the horizontal. The Ground Sentry can be raised to a maximum of 50 degrees.</li><li>Distance - The yellow bar indicates the enemy's distance. At zero bars, the UA 571-D cannot target an enemy.</li><li>Horizontal angle - The yellow arrow indicates in which direction the enemy ship lies.</li><li>Ammunition - The left and right guns fire
independently.</li><li>Ability decrease - The more the UA 571-D is fired, the more the shake and heat throws the aim off. It is self-correcting but takes time. Once the bar is depleated, you might want to consider a strategy involving quantity of shots and not quality.</li><li>Heat build-up - Once the guns overheat, they automatically stop firing.</li></ol></p><h5>Download</h5>

Save this link to your hard drive. In Windows, right click the link and select Save As...</p><h5>Trouble shooting</h5>

The game was designed on a 2GHz machine, so pardon me if it seems to crawl on slower machines. You can attempt to improve the speed of the game using the following suggestions:
<ol><li>Decrease the quality - In Windows, right click on the game area and drop the quality down to low.</li><li>Decrease the window size - Click here (or save to disk using the link above). Resize your browser window until the game is small enough to be playable.</li></ol></p>If you have comments or suggestions, you can post them here. Of if you would like to share your score with everyone, you can post it here.