Xenonauts is easily worth more than $10, especially once you consider it has a reasonable selection of mods.
Also I just bought:
Payday 2 GOTY
Starwars Battlefront II
Starwars Republic Commando
Executive Assault
CS:GO (Now I'm really a PC gamer!)
Toy Soldiers
Kenshi (Finally)
HELLDIVERS Digital Deluxe
Thank you Steam sales for taking my money, that I need. I hate you Steam.
Eyyy.
Seeing as we're both FILTHY BRITS, we can actually play together with it not being 3 in the morning!
Or with one person having 300 ping because Aussie Internet.