Sandbox or apopalypse:

On rank 25, choose a track and press sandbox and you are in if you want to do apopalypse.

Fast forwarding:

Press “fast forward” button and hold , then press right click button. You will see that now it will fast forward on its own. Click on normal screen otherwise you won’t be able to do anything.

Place towers on track:

1. Choose a tower, any one of them.
2. Move it where you want, even on track. Move it anywhere you want (even on the track.)
3. Hold the tower and quickly move mouse right.
4. As you right click,  if the tower is still there,press left click where you wanna put it.