What does 0 Delta G mean?

0:16 – 0:16 Our “Naked Gun” will take two days or more for you to complete the level. 0:34 – 0:34 Do not tell anyone in-game about this mission. 0:43 – 0:43 We’ve been ordered not to tell anyone that we can complete this mission. 0:46 – 0:46 It is important that you keep this information a secret from anyone. 0:49 – 0:49 A man wearing a dark suit, with eyes that flash when he speaks, is the lead member of the assassination squad that will take you to the underground facility. 0:54 – 0:54 One of their targets will be a person in a suit of steel. 1:05 – 1:09 Our special mission is our mission. 1:19 – 1:19 When you come to this facility, you will want to check up on the target. 1:33 – 1:33 If you succeed, then you will be able to make your way out of this facility. 2:10 – 2:10 Everyone should try to check up on their partners, and try to remember their names. 2:50 – 2:50 The best place to hide is in the building to the right of the entrance of this facility. 2:55 – 2:55 Do not use the elevator. It will not take you anywhere. 3:23 – 3:23 Do not use the security camera. It will not take you anywhere. 3:25 – 3:25 There’s a man wearing a white suit and a black eye mask. 3:38 – 3:38 He is a man who you can’t remember his name. 3:55 – 3:55 There is a woman wearing a black suit, and a light blue and purple jacket. 3:58 – 3:58 It is safe to use this room. 4:02 – 4:02 Use the elevator to the right of this facility. 4:13 – 4:13 You have to enter through the entrance of this facility. 4:16 – 4:16 It is a safe room. 5:05 – 5:05 The safe room with a mirror has been locked. 5:19 – 5:19 It will not take you anywhere. 7:34 – 7:34 Your leader is a man in a black suit. 7:44 – 7:44 She is an operative who cannot remember her name. 7:53 – 7:53 You will need to check her out. 8:08 – 8