how to rank up faster in original halo 3
XP is only awarded when you win (or tie in team) games, some ranks can be skipped depending on your skill level.
This page should answer further questions you may have about the Halo 3 rank system.
> After a matchmaking match, players are awarded EXP as follows:
>
> - Win: +1 EXP - Tie (in team games): +1 EXP - Loss: 0 EXP - Disconnecting from a match before it ends (including booted for betrayals): -1 EXPA player is considered to have won if he or his team places in the top half.