This game didn't get enough attention, so I'll be blunt: there is no reason for anyone not to play this game.

Free. Fun. Don't ignore it.

A great time will be had by all. And this it gets better.

Straightforward, directly appealing strategy game.

I don't actually recommend this. I just want to point out that there's a game from the 1980s on Steam.

Do you, uh, like...games? Then this. This is games.

Be depressed for months! For a good cause!

Apparently I like Zombies games. Here's one that might sneak up on you

The genius of Dwarf Fortress distilled into an arcade game.

A mirror Mass Effect: starts slow, gets awesome at the end.