Winning the game

Now that we have the goals showing, we now need some way in order to complete the project. With that in mind, let's create our goal:

1. Create a new particle system by going into GameObject | Create Other | Particle System (in case of Unity 4.6, go to GameObject | Particle System). Change the name of the object to Goal.

2. Under the Shape section, change the Shape variable to Box, and change Box X to 1 and Box Y and Box Z to 0.

3. Click on the arrow on the right-hand side of Start Lifetime, and change the values to Random Between Two Constants. Change those values to 0 and 1. Do the same with Start Speed between 2 and 4. Make Start Size use random values between 0 and 0.5. Change Start Color to Random Between Two Colors using a green and purple color. Finally, uncheck the Play On Awake variable. Have a look at the following screenshot:

   

   With that, you should have a nice stream of particles coming in for your new goal object!

4. Add in a box collider by selecting Component | Physics | Box...