Stall Extinction

Update 0.3: Added particle effects. Added a special thanks screen for donors and beta testers. Added posters to the walls of fan art (If you would like to see your art of the game in game, send it to me and I will add it in). Changed Oxygen and Power sound effects. Adjusted the doors so they will turn red and warning flash sooner. Made oxygen alarm go off sooner. Made south door slightly mo…