What is the easiest mode in tower defense simulator roblox?

I'm curious, in the realm of Tower Defense Simulator on Roblox, what mode would you consider to be the most straightforward and uncomplicated for players to engage in? Is there a particular mode that stands out as being easier to grasp and manage, making it an ideal starting point for newcomers to the game? Additionally, could you elaborate on what factors contribute to this mode being labeled as the easiest, such as the complexity of enemy waves, available tower options, or the overall pacing of the gameplay?