With the arrival of the 11th update by Happy Wars , the developer Toylogic announced that starting today, the title becomes in effect a free-to-play playable even by users without Xbox Live Gold membership. The Publisher, however, held that, although fully accessible by everyone, some like the multiplayer mode and some specific missions will be available only by purchase, complete with Happy Wars .

The update brings with it, in addition to several improvements, including a new game mode called Bounty Hunters, where two opposing factions will be drawn together to kill each other by destroying enemy bases and obtain the greatest number of claims. The complete list in English update 11:

-Added new game rule: Bounty Hunters (till 29th January)
-Happy Wars is now playable by Xbox LIVE Free members.
-All game modes are available, except for Multiplayer Missions, and the Treasure Map.
-Training Mode has been changed into Skirmish Mode.
-Skirmish, unlike Training, gives players score, items, and Happy Stars.
-Item Level-Up mechanism has been changed.
-Items now have an "Item" Experience point "value. Items gain experience through "Item Level-Up" as before, but can also gain experience by being used in Multiplayer.
-When the item accumulates a certain amount of experience, it levels up.
-Fixed an issue that was preventing the game from progressing in "Castle Defense" mode.
-Fixed various other known issues.