Endgame scenarios (Fallout: New Vegas)

There are multiple ways to complete the story of New Vegas.

Option 1: Help Mr. House upgrade and deploy his Robot army to aid the NCR and keep control of New Vegas for himself. This storyline follows the quests : The House Always Wins 1,2,3,4,5,6,7 The House Has Gone Bust! and All or Nothing.

Option 2: Help Yes Man to fight for an independant New Vegas and Wastes, deploying Mr. House's upgraded robot army. This storyline follows the quests : Wild Card, Wild Card: Side Bets, Wild Card: You and What Army?, Wild Card: Change in Management and Wild Card: Finishing Touches. In this scenario you have no option but to kick the NCR out of the wastes altogether. After defeting Legions army Yes Man will inform you that he found some hidden code in Mr. House's computers to allow him to upgrade himself to allow him to be more "assertive" and he will shut down for a while to make the changes. After this scenario plays out you will find out that New Vegas...

Option 3: Help NCR keep control of the Dam and Wastes, and take control of New Vegas. This storyline follows the quests :

After this scenario plays out you will find out that the NCR taking conrol of vegas leads to its downfall, but small towns like goodsprings see more business but have trouble paying the high taxes

Option 4: Help Legion defeat the NCR and kill Mr. House taking over the Wastes and New Vegas. This storyline follows the quests :