Azhria Lilu
Captain
If you pre-order Survival Instinct with online retailer Amazon, they offering what is being termed the Walker Execution Pack. This extra content pack includes a handy bag, machette (who doesn't want a machette?), Kukri and a knife. Giving you extra killing power for when those walkers come at you!
You also get the Herd Mode, as already discussed in the Gamestop thread.
You also get the Herd Mode, as already discussed in the Gamestop thread.