There's a MS sale on Steam at the moment.
Rise of Nations: Extended Edition $9.99
Age of Mythology: Extended Edition $14.99
State of Decay $4.99
Age of Empires II HD $4.99
Dust: An Elysian Tail $2.99
Halo: Spartan Assault $1.69
Deadlight $2.99
Happy Wars - Happy Tickets - Starter Pack $13.74
Age of Empires Legacy Bundle (Age of Empires II HD, Age of Empires II HD: The Forgotten, Age of Empires® III: Complete Collection) $13.74
Ms. Splosion Man $1.99
The Maw $1.99
LocoCycle $1.99
Toy Soldiers $1.99
Insanely Twisted Shadow Planet $2.99
Age of Empires® III: Complete Collection $9.99
The Mawesome Pack (The Maw, The Maw: Brute Force, The Maw: River Redirect, The Maw: Speeder Lane) $2.39
Max: The Curse of Brotherhood $3.74
Prices are in USD
Just a courtesy reminder about the current Humble Bundle: https://www.humblebundle.com/, https://www.ozbargain.com.au/node/157511.
If you're interested in the Age of Empires Legacy Bundle @ $13.74, you should consider getting the Humble Bundle and paying >$15. You will get the AoE bundle and a bucketload of extra games.
I know it's not usually custom to recommend Ozbargainers pay more, but in this case $ can go to charity, plus you get extra games.