Fallout: New Vegas

Go to the town of Primm, and successfully complete the "My Kind Of Town" quest to get them a new sheriff. Wait 3 to 7 in game days for the Vikki and Vance Casino to open again in Primm. Then, go to the Vikki and Vance Casino, and either win as many chips as possible from gambling or exchange as many caps for chips as possible. Go to the cash register to trade the chips in for caps. You will get the equivalent for the chips in caps, but you will still retain all your chips. Simply keep trading in the chips for caps to get as many caps as desired. Note: This glitch was done on an unpatched version of the game.

Go to a weapons and/or armor merchant, and see if he has two of the same weapon or armor for sale. If you can afford it, get the overall most expensive item at the lowest condition. For instance, if he has two Raider Sadist Armors at 45% and 76$, but also has two Flamers at 20% and 8%, then choose the Flamers. Purchase the cheapest of the two items, and then immediately sell it back to the merchant. Buy it again, and sell it back to them again. Usually the second, but sometimes the third time, you buy the same item from them, and it will appear in your inventory at 100% condition. Sell it back to them, and it will reappear in their inventory at the original low % condition. Buy it again, and it will appear at 100% condition. Repeat this until they have no more caps. If you wait three days after they run out of caps, they will have new stock and approximately 650 caps. The longer you wait, the more robust their inventory will be and the more caps they will have. Note: This glitch can cause the game to freeze. It is recommended you save your game often when doing this just in case the game freezes.

Successfully complete the "Wang Dang Automatic Tango" quest to find Fisto, a Sexbot. Then, go to Silver Rush Casino, and talk with Fisto next to the roulette table. He will offer his services. Choose the "No thanks" response to get 10 caps. You can keep selecting this answer as many times as desired to get 10 caps each time.

Go to Old Mormon Fort in Freeside. Find Julie Farkes inside the Fort. Choose the dialogue option to help them get medical supplies. Go through the dialogue options to hear one that tells you that she just got a shipment of magazines. Then, choose the "I have some medical supplies to drop off" option. There will then be three options; choose the "Rad-Away" option, as it is the easiest one of the three to find. You only need to leave one thing if you do not care about fame. Every time you give them something, you will gain more fame. After you give them the supplies, choose the "I'd like to buy medical supplies" option. There are a few aid supplies there that you can get if desired, but they will not regenerate. In the supply list, you can find the magazines. Buy any desired magazines, and then exit. You can then choose the option to give med supplies again. This time you do not need to give them anything; simply choose the "Never mind" option. Go back to "Buy medical supplies", and you can repeat the process for more magazines. You repeat this as many times as desired as long as you choose to drop off supplies first. You can even come back to do it again at a later time. You can get the following magazines: Fix-in' Things (Repair +10), Lad's Life (Survival +10), Meeting People (Speech +10), Programmer's Digest (Science +10), Salesman Weekly (Barter +10), and Today's Physician (Medical -10).

Get a large object that you can push or pick up. Drop it next to a standing NPC that is not leaning against a wall, doing push-ups, or sitting. Run against the object and it will damage the NPC without becoming them becoming hostile or you losing reputation. Repeat this until the target is dead. Note: You may take some damage, and the object may fly away.

Every Skill has a designated skill book. One seems to be missing. There seems to be only three explosive skill books where there are supposed to be four. This last skill book can be found on the desk in the office of the "Ranger Station Foxtrot". The other three can be found in "Nellis Air Force Base", "Sloan", and "Mojave Outpost".

In Camp McCarran where the monorail directly to the strip is located, you can gain entry to the monorail. Take the long way around and stay as close to the vending machines as possible. Follow the wall around the back way. Make sure the other soldier has his back to you. Crouch and sneak up to this soldier. You may hear the phrase indicating that if you get any closer they will have to shoot you. However, as long as you remain hidden, it may flash "Detected" briefly for a few times. As soon as you are close enough to the door, you can go through it and take a monorail directly to the strip. This may require a few attempts. Be careful when returning to the monorail from the strip. You will probably be shot. However as soon as you enter the monorail it resets, and you can again ride it back to the strip. By using this trick you can bypass many annoyances and quests, and can skip directly to meeting Mr. House and finding the person who shot you.

Outside Boulder City revealed through the "They Went That Away" mission, exit the city and follow the road out of town and head west (left) when you come to the fork in the road. To the left you'll see a huge billboard with a man in a bounty hunter duster with a guitar next to him. This is the same guy you'll need to get a Mysterious Magnum from when you get him a gig playing at the Tops Casino in New Vegas. The entertainer and manager of the Pack Rats of Aces Theater will ask you to look for new talent for the theater, this is an official mission (can't remember the name) and the wayward point will point the way to him as well. Or, you can kill him and you get it off his body. Everytime you draw and withdraw, the magnum plays a small tune that sounds like the guitar.

Unlock Xbox Live Gamerscore points, by completing the following Achievements.

You must have the wild wasteland perk first. Help ncr by killing the leaders of the omertas in a quest then go to mick and randy's shop and tell randy you dealt with omertas. He'll give you a gold pip boy.

You can find the Ratslayer in the Broc Flower Caves located at the southeastern region between Nipton and the Bloodborne Cave. To locate the cave without aid of the Explorer Perk, seek out the Atomic Wrangler owner and speak with the sister Gerret. Accept the work of Debt Collector and find a woman and persuade her to cough up the money. She'll give you half of what she owes and gives you the exact location of the cave. In the cave, follow the tunnel until you find the cliff edge of the main chambers filled with huge frickin' rats. On the edges of the main chamber, follow it to a room where the Ratslayer is sitting on the desk to your left. Inside the rest of the room is lots of medical supplies (stimpaks, doctor bags, etc).

Go to the town of Nipton. Walk to the right of the town hall's front entrance to find a burned out building, with a pair of burned corpses in front. The view resembles the scene from Star Wars where Luke Skywalker finds the bodies of his Aunt Beru and Uncle Owen.