Achievements, Contamination Level and Time Explained

For routing and general understanding

Achievements:

1. Spaced - At the very start Eject/Wait for countdown to complete
2. Escape Pod - Escape via escape pod
3. The Truth - Unlock the Bedroom and inspect what's inside
4. Hull Breach - Achieve exactly 10% contamination
5. Decontamination - Achieve 0% contamination
6. Lost in Space - Achieve 0% contamination and also pick up the crystal in space 

Sources of contamination reduction/progress:

- weakening isolation ward crystal =20%
- blowing up the lab/core =40/50%
- blowing up yourself =30%

Time (initially 1:00)

- Mixing= -0:15
- Repairing the fans= -0:20
- Activating auxiliary life support= +3:00
- Using the Workshop Station= -0:40
- Decoding security footage with un/upgraded pad= -0:30/0:15
- Inputting incorrect password more than once= -0:30

It's not necessary to upgrade the data pad for 100% but promise you wont tell anyone

The bedroom password is 4 digit code of numbers 0-9 that can repeat. (9919 is the closest to 4 same digits i ever saw)

You can skip watching security footage but even if you're missing only 1 digit you only have 10% chance to guess it correctly. Including the first free try it's 20% but every following attempt loses 30 minutes and moves you out. Odds of guessing all 4 digits blindly are 0.01% or 1/10000