Fallout New Vegas has a command console that can be accessed with the backquote/tilde key (the `/~ key), triggering a command input menu on your screen. You can input many commands to make in-game changes, such as increasing stats or changing faction reputations.
It should be noted that working with the console commands, while fun, can disrupt the gaming experience or cause unintentional events to occur. Be careful while using them.
Every Console Command in Fallout New VegasPlayer Reputation/Faction CommandsQuest CommandsInventory CommandsPlayer CommandsNPC CommandsDisplay/Debugging CommandsOther CommandsThere are several Console Commands that you can use while playing Fallout New Vegas. Feel free to use all of the ones that suit your playstyle, and you will get the most enjoyment from during your campaign.
Player Reputation/Faction CommandsEach of these commands will require a <form id> which identifies the faction whose reputation you are affecting. Here is the table of IDs for the various factions and towns that you can have a reputation with:
#1. addreputation <form id> <variable> <amount>: This command lets you add reputation to a faction/town. The variable can be a 0 (for adding infamy) or a 1 (for adding fame). The amount is a number from 1-100, depending on how much fame/infamy you want to add.
#2. removereputation <form id> <variable> <amount>: This command lets you remove reputation from a faction/town. The variable can be a 0 (for removing infamy) or a 1 (for removing fame). The amount is a number from 1-100, depending on how much fame/infamy you want to remove.
#3. setreputation <form id> <variable> <amount>: This command lets you directly set your reputation for a faction/town. The variable can be a 0
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