This game over the years has had some game breaking glitches/exploits that have since been patched. Here are some that are still active today. These aren't really game breaking in my opinion and are fun to use. One of them will give you the best view in the DZ!

0:00 2W Teleport glitch & button configuration
2:28 Enter Checkpoint while rogue
3:00 2 extract wall glitch
4:23 3 Safehouse wall glitch. Best View In The DZ!
6:48 5E Two wall glitches
9:34 5W Rogue Teleport
11:26 6W Rogue Teleport
12:57 Midtown Invisibility Glitch
13:47 7 Wall Glitch
15:27 9NW Two Wall Glitches
18:32 9NE Stair/Wall Glitches
21:09 Armory Wall Glitch