You can buy Undead Shadows from any of the following store fronts below. Check each store before purchasing because each store runs its own independent sales and the price might be cheaper at one of them!
You can follow @IgnitionGamesCA on Twitter to stay up to date with sales, promotions and updates to Undead Shadows!

Steam
$3.99 USD
Desura
$3.99 USD
Amazon
$3.99 USD