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You never imagined building a world could be this fast, easy and fun. 
Make Worlds Like a Pro
Unity ships with awesome world building tools. We make it easy for you to assemble your assets and set up your game environments. Just drag-and-drop your meshes into Unity. Then, drag-and-drop them into your 3d world. Want to preview your world as it'll look in the game? Just press the play button. Sound easy? It's meant to be.
Triggers
Easily add spheres, boxes, capsules and meshes to define trigger zones in your world. Unity helps you visualize these. Position, scale and rotate them as you wish.
Advanced Object Placement
A full range of features such as grid and surface snapping allows you to quickly and accurately position your objects. With the new vertex snapping tool objects can be positioned exactly where you need them to be.
Gizmos Everywhere
Intuitive tools help you get things right first time. Scene-view camera previews let you see what your game cameras can see. Occlusion culling preview helps you understand what is visible from where. Audio reverb zones are shown visually and you can edit them directly in the scene view.
Play Testing (with an emphasis on play)
Unity makes developing your game as fun as playing your game. Pause and single-step at any point. New Inspector window features such as the curve editor make setting up complex properties as simple as click-and-drag.
Work How You Want
The editor is highly flexible. Set-up layouts simply by dragging tabs to where you want them to be. Choose what you need to see and when to help you focus on the job at hand.