Astro Galaxy is a realistic online space exploration game. It's free to play and you only need a browser.

Space exploration has always been a dream of humankind. Since the 20'th century, the dream of exploring another star has haunted humanity. By gaining a deeper understanding of quantum physics and the use of exotic matter, the Wormhole Generator engine (WHG) is discovered. The new technology is vastly superior but required a tremendous amount of resources to develop. Thus, Earth is facing a shortage of resources...