How do you get the free codes?

u find it in mcdonalds

1. Enter giveaways
2. Enter more giveaways
3. Wait
4. Wait some more
5. Repeat steps 1-4 until SteamGifts tells you you've won one
6. ?????
7. PROFIT!!!11!

The game developers give SteamGifts free keys to help promote the game, which are distributed through giveaways.

I find mine off the floor, 5 second rule.

Sometimes i start up my pc and there are a bunch of unused codes on the desktop.

just funny answers till now :)

Here. Have a free code! P9YI3-ECLT4-YE3QR

Indie Bundles.

Careful preparation, really. Sometimes I end up summoning the Lord Cthulhu, but it's worth the risk.

I use my feminine charms to convince strange men on the internet to buy me steam gifts

I find them under my bed.

I simply make the up an number/letter and hopes for the best.

Blood Magic + Dark Magic + i have a Big Black Clock - clock

I pry them from the cold hands of my dead enemies

i just get some keys from my biology book.

The Keymaster from The Matrix !!!!!!!!!!11 LOLOLOLOLOLO

Here's how the pros do it:

1) Make a "donation" to Green Man Gaming, Amazon or GetGamesGo.com.

2) Receive free code

3) Repeat ad infinitum

Wild KEY appeared

I pray to the Gods of Gaming by offering fresh blood of WoW virgins and tears of loser noobs. The Gods then give the keys and codes to my home PC by email.

Monies

this is still a serious question ;)

I found mine buried in a chest in the woods.