Unity 2D Game Design Tutorial 26 - Collectibles and scoring
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This tutorial explains how to add collectables and scoring to a 2D game in Unity. We will use the LevelManager script and CoinScript script from previous tutorials to improve the existing coin counting system, and we will also add more coins with different values. In the next tutorial, we will add a UI to display the number of coins on screen to the user.
Sample code: http://codemahal.com/video/adding-collectables-and-scoring-to-a-2d-game-in-unity/