Linkoidz

Linkoidz is an out of this world new arcade puzzle game. Crash landed on an alien planet, you must fight off the Linkoidz onslaught with only your gravity gun and trusty energy shield.
Are your fingers up to this addicting new challenge?

Linkoidz has 3 different Arcade modes, as well as 30 training and challenge missions. The training missions will teach you the basics, then you'll be on your own against all the Linkoidz and their queens if you want to escape.

The Endless arcade mode offers non stop adrenaline fuelled action, but there's also the Sprint mode for a quick game, and Zen mode if you prefer a more relaxing game. All of the arcade modes can be played in a variety of different difficulty settings.

Source: The Developer Website.