Zomboids Challenge hacked unblocked is another hard Action game giving you more challenges. You have to make your way through lots of hordes of nasty zombies as you try your hardest to aim and shoot them down before they kill you. Try to gain more money to purchase more upgrades and new supplies to power up yourself. Kill them all and always protect yourself! Make sure you use your weapons wisely so that you can survive until the end. Have fun and good luck!