Let's start by designing the level timer, as shown in the following diagram:
Level timer wireframe created using a basic UI wireframe software
To keep the timer as simple as possible, we need to create something that is easily seen from anywhere in the level and does not take the player out of the experience. First, our timer should be digital to fit the Sci-Fi setting of our game. Second, it should be located in a place that the player finds natural to look at and can be easily found anywhere in the level. Finally, it should be able to display minutes and seconds, rather than just seconds, to fit the player's expectation ...
