We have a range of assets available to purchase and download for use in Unity 5, on the Unity Asset Store. These include full systems to help add functionality to your game, and even large model packs to help you fill out your scenes to make them feel more believable. More assets will be added in the future!
The Input KeyPad System is a complete template for implementing your own programmable keypad in Unity 5!
The Lever Switch Puzzle System is a complete template for implementing your own lever interaction puzzle.
This Assorted 3D Model Prop Pack has a selection of 60+ Prefabs which includes trash, boxes, decals and more!