Steam now offers Early Access to Space Rogue for Windows and OS X, a sci-fi RTS/roguelike-like in the vein of FTL from Ukrainian indie developer Red Beat. You can take a look at how this works in a new Early Access trailer, and here's a rundown on the game:

Space Rogue combines elements of real-time strategy and roguelike. You’re in a command of a little spaceship with a crew of few members. Fight, gather resources, upgrade your spaceship and crew in order to become space adventurer #1.

Key features:

• Every walkthrough differs from the next - unique game world is generated each time you start a new game
• 6 races of enemies with distinctive features and battle tactics
• Fast and exciting space battles
• More than 200 random events and quests
• Sandbox mode in which you can fine-tune the game world generation and some core parameters of the game