The story is set 30 years before the events in the first Kingdom Rush, and a threat has arrived in the realm, forcing the mystic clan to defend its ground.
Curiosity Shop is added as a fast travel destination, and the pacing of some event scenes is adjusted. A "Very Hard" difficulty setting is introduced as well.
Agent Jericho's Seize Assets ability was so powerful that it had to be nerfed. The good news is that Bloon Decoy got a few buffs to make it more viable.
The first major update brought new features and improvements, including the ability to set custom hotkeys and place resources in shared squad inventory.