I don't know if this is true or not but people usually make the game lag. But this is usually because they have a lag button on their controller which makes it seem like you or someone else has bad internet connection but its really them pressing the lag button. This allows the player to move more efficiently and progressively to slow you down, but not them, if this is not what you meant then please message my message board so that I may understand what it is you are talking about!
No, your game has a glitch.
you cant do it in halo reach only in odst
no
sadly not yet
not anymore
You can not glitch to rank 50. You have to play ranked match's until you reach that rank.
How to hack halo reach forge online
There are no cheat codes for Halo: Reach, nor any of the other Halo installments. However, glitches, or, bugs in the games programming, are abundant. Try Google to find Halo: Reach glitches, but remember; Nobody likes a Glitch Abuser.
Halo reach online is easy and hard depending on how good you are and how good other players are
Yes
You would have to glitch the game to be able to move the hill marker.
Currently there is now way possible to mod with a USB in Halo Reach online.