ALPHA - Game is in development, after buying this game you may receive updates. Game is in alpha stage, meaning it is unfinished and could be unfunctional on certain systems.
$2.99
For PC, Mac --- Submitted by Irresponsible G...

Stellar is an action space shooter with RTS elements such as base building. While still an alpha title, it does contain both a campaign mode as well as a skirmish mode, and it allows players to earn credits to purchase new ships, upgrades and abilities.

Indevelopment Info: 

Skirmish mode - complete with pending additions for building types and AI types.
Campaign mode - under heavy development to add more "main mission" levels and more repayable non-linear levels.
Multiplayer - Scheduled for beta.

Players: 
Single Player
Reviews: 
Slushy_ "Let's Play" Review
System Requirements: 

WINDOWS:
CPU Cores: Single Core 500 MHz
Minimum RAM: 128MB
DirectX Version: DirectX 9.0c
Graphics Card RAM: 128MB
Graphics Card: DirectX 9.0c
Graphics Card Shader Model: 2.0
Sound Card: None
Operating System(s):
Windows XP
Windows XP, 64 bit
Windows Vista, 32 bit
Windows Vista, 64 bit
Windows 7, 32 bit
Windows 7, 64 bit

OSX:
OS Version: Universal (any)
Hardware :similar specs as above