Spades
Spades is a card game where teams of two compete against each other. There are actually numerous ways to play Spades, depending on the number of players involved and so on. The general aim is to bid on a certain number of tricks in the game. The goal is to have the highest number of bids between the teams.
Monopoly
Monopoly has been a household staple for generations. In the game, players pick a player piece, such as a car, and move around the board based on the roll of the dice. Each player can buy and sell property to the other players, with the overall goal of having the most money and property. When players land on a site you own, they have to pay you a fee with the Monopoly money.
Charades
Charades has been around for ages. All you need are at least six people, pencils and paper. Each team member writes down items for the other team to act out. The papers each go into a separate container and one member of the opposing team acts out one of the items written by the other team. However, the actor can't speak or lip sync the name of the item or person being acted out.
Truth Games
Truth or Dare is a childhood favorite where groups of friends take turns deciding to answer a question truthfully or to take an unknown dare. I Have Never is another truth game where players take turns and say "I have never" followed by a action, such as "voted" or "been to Hawaii." Those who have never done the action raise their hands, while those who have are left out in the cold. These games can be as mundane or risque as the players allow.