Multiple skips / strategies that will help you save time in main ending categories are provided for you here!

1.) Beginning Camera Angles:

At the start of the game, when you click the first button, position your camera in front of your character to get the next one without stopping.

For the third button, position your camera a little upwards, and have you mouse above your characters head to easily click it. VISUAL REPRESENTATION BELOW:

2.) Level Four Button Strat:

After you use the box in level four, you can make a quick jump straight from one of the platforms and hit the button in mid air, to continue without stopping and same some time. VISUAL REPRESENTATION BELOW:

3.) Level Five Corner Cuts

In level five, there are many instances where bits of time can be saved. In the level, you can jump of the ladder early to save some time, as well as diagonally jumping past corners. VISUAL REPRESENTATION BELOW:

4.) Major Level Five Button Skip

Instead of going all around those platforms to reach the button at the end of level five, you can do a straight jump and hit the button mid-air! To preform this jump, have the button be at the top of your screen before you jump. VISUAL REPRESENTATION BELOW:

5.) Helpful Strat for the "Find the Button" Level (Level Eight)

In this level, the button will spawn at a specific time. You can have your body up against the door, and angle your camera so that as soon as the button spawns, you can click it. VISUAL REPRESENTATION BELOW:

6.) Best Way to do the Difficult Level

Level twelve is undoubtedly one of the most annoying levels to do at a fast pace. Here is an easy way to do it. VISUAL REPRESENTATION BELOW:

7.) Questionnaire Answers Order

To get the good ending as fast as possible, answer: YES, NO, YES, YES, YES in the questionnaire.

To get the bad ending as fast as possible, answer: YES, NO YES, YES, NO in the questionnaire.

Hope this helps for future runners completing the "ending 1" and "ending 2" categories!