this is the list as of now is the available free skins/gods you can unlock.

these were found on this page

Keep in mind getting a skin[via promo code] for a god you dont own will unlock that god for you.



Solar Eclipse Ra follow the steps in link you will need a facebook account

Water Dancer Nu Wa Follow the steps in the link you will need a youtube account

Stalker Artemis Follow the steps in the link you will need a Twitter account

Curse Apollo
1. Download Curse Voice.
2. Startup Curse Voice.
3. Play 5 Matches while curse voice is on.
4. Check your email for the code.

Curse Agni
1. Download Curse Voice.
2. Startup Curse Voice.
3. Play 10 Matches while curse voice is on.
4. Check your email for the code.

Blood Eagle Thor
1. Download Tribes: Ascend
2. Play untill you reach level 50

Sentry Vulcan
1. Download Global Agenda
2. Play untill you reach level 30

Leona JPF Nemesis
1. Download Jetpack Fighters on a compatible iOS device
2. Play untill you can unlock the fighter Leona
3. Redeem the code shown for you in smite

X Zeus
1. Log in to your Hi-Rez account by clicking on the link
2. Link your Xbox One account with your Hi-Rez account

Worlds Collide Odin
1. Log in to your Hi-Rez account by clicking on the link
2. Link your PSN account with your Hi-Rez account

Keymaster Janus
1. Go to the link
2. Login with facebook


Also in game you can get Puppet Tyr by getting 3 accounts you referred to level 15

and you can get Triumph & Agni skin by playing 10 hours with an account you referred.video here