NOTICE TO ALL PLAYERS: PROMO CODES ARE RANDOMIZED FOR ALL PLAYERS AND CAN ONLY BE USED ONCE, THUS IS NON-SHAREABLE. PLEASE DO NOT ASK FOR CODES.
Assault Rifle Promo Code: When entered, you'll spawn with an assault rifle (regular variant) no matter which game you're in. It was removed during the 1.4 update for CastleMiner Z and now has the Creative Mode promo code instead.
Creative Mode Promo Code: When entered, you'll unlock the Creative game mode for CastleMiner Z, you'll have unlimited resources and you can decide to have enemies or not in your game. You can receive this mode by redeeming the code found on the main menu of the original CastleMiner. CastleMiner can be bought for a modest price of 80 Microsoft points in the Xbox Live/Indie Marketplace, which is equivalent of $1 in U.S. currency. "Bloodstone pickaxe promo code: Released with the game of avatar laser wars 2, when entered it spawns the player with a bloodstone pickaxe.
More will come after each and every update.
Note: Promo codes vary between consoles, as it won't work if a player, for example, gives another player from another state or country a promo code that doesn't exist in that gamer's country or state.