10 Cloverfield Lane: A Complete Guide To The Viral Marketing

2. Survival Simulation Dead Drop

It turns out 1000 days was indeed the goal of the game, and when reached the player gets a message leading them to another dead drop, this time in Chicago, that references the jukebox presumably from the trailer. delivers a message to the player: That's right, another dead drop. Reddit user helveticatt went to the specified location and found an Eiffel Tower bag and a cell phone, which had one voicemail on it from John Goodman as Howard Stambler, finally confirming he is Radioman70:

Megan, as promised - a phone just for you and me to talk. Keep it hidden so your mother doesn't ruin this too. I put my number into your contacts. Call me as soon as you can. I need to hear your voice, and I gotta get you out of Chicago before everything happens. Your life is in real danger, Radiogirl. But I promise to keep you safe. Call me please. Love, dad.

That number he mentioned, (985) 788-4071, has an area code near New Orleans, and ringing it led to a voicemail redirect:

You're call has been forwarded to an automated voice messaging system, Howard Stambler is not available.