Sandra (Survive)

Sandra was the babysitter of Clementine as well a walker on The Walking Dead: Survive.

Marietta
It's sated by Diana that Sandra lived in Marietta and that at some point she possibly moved to Atlanta

Georgia
Sandra moved to Georgia and worked as Babysitter for Clementine while Diana and Ed was on vacation in Savannah, after the outbreak Clementine mentions that she heard screams two nights ago possibly indicating that a walker killed her

A New Day
When Lee is talking to Clementine via Walkie-talkie,Danny or Justin (Depending on who you saved) will scream "Lee,watch out!" when suddenly a zombified Sandra approachs him, after kicking her away and getting a hammer by Clementine, he kills the zombified Sandra smashing her head

Killed By:
Clementine mentions that she heard screams two nights ago, maybe a walker got inside the house and managed to attack her or at least bite her ​Clementine asists Lee with a hammer, which he latter uses to incapacitate the zombified Sandra
 * Zombies (Alive)
 * Lee Everett (Zombified)
 * Clementine (Caused,Zombified)

The Walking Dead: Survive

 * A New Day (Zombified)