Free running along rooftops

Galactic 123 Frontline - This game features an anime styled science fiction story where two old friends part ways and end up in rival factions. The Planetian Republic is at danger. This is an action game, where the player gets to use laser guns, pistols and rifles against ground enemies. The player also gets to participate in space battles. Story will be told in several episodes. Use arrow keys to move and SPACEBAR to fire. H to use healthpack. Episode 1.

Found on my attic hard drive - a game with the control method when flash games were hardcore.

Fly as much, as you can. Avoid different obstacles on your way. Collect bonuses, which will help you in you ride, and minerals, which rising up your race score. Don`t forget to to fly frought checkpoints! They considerably increases your score and race distance. Flying asteroids can contain some minerals to collect, shoot it with your gun. Use your gun and shield wisely, they are not endless.

Based on classic arcade games like Qix and Volfied.