Altitude

Altitude is an incredibly addictive indie title from Nimbly Games. Arcade dog-fighting with a cartoon visual style.

System Requirements:

PC: Windows 7 / Vista / Vista64 / XP
MAC: OS X version Leopard 10.5.8, Snow Leopard 10.6.3, or later.
Processor: 1.0 Ghz
Memory: 256 MB
Graphics: 64 MB VRAM
Hard Drive: 300 MB of free space

Official Website

Download Link

Steam Page