Plague Inc: Red Rain Achievement Guide

The Red Rain Achievement is unlocked by getting the profuse bleeding combo. It is pretty easy to unlock and gives your plague slightly more lethality and makes your plague more likely to infect a person. Now on to the guide.....

1.) Start in a Normal Game (A game with no scenario being played. It is also not to be confused with the difficulty mode normal)

2.) Choose Bacteria

3.) Choose the Game Difficulty Casual. 

4.) Choose this gene setup in the game.

• ATP Boost
• Aquacyte
• Trans-Stasis
• Creationist
• Extremophile

5.)  Start in India

6.)  Evolve These Transmissions

• Water I
• Air I
• Water II
• Air II
• Extreme Bioaerosol

 7.) If point 6 is completed India should be completely infected. Now evolve these abilites.

• Cold Resistance I
• Drug Resistance I
• Cold Resistance II
• Drug Resistance II

 8.) Now we will evolve these two more abilites to slow down the cure when you begin to show your disease to the world. Do not evolve any symptoms yet.

• Genetic Hardening I 
• Genetic Hardening II 

 9.) Wait until the world is completely infected and there is no healthy people left in the world

10.) Evolve

• Rash
• Sweating 
• Skin Lesions
• Anaemia
• Haemophilia

11.) Keep waiting until the achievement pops up!

You win!

12.) This part is not required but recommended if you want to win.

• Tumours
• Systemic Infection
• Coma
• Total Organ Failure

You should win congrats on the win and the achievement!