Free DLC typically comes in the form of free updates that are preludes towards what the paid content for the game will be like. In some cases free DLC updates will also be customary for the game as well. Typically take place in small indie games in order to further promote the game.

Paid for DLC are typically add ons to games that require in real life money to pay for new content that is added on to a game. This is typically added to games a year or two after the games release. Allowing popular games to still rack in money even long after the selling life of the game has ended.

Official Tournament rack in income by having an entry fee that typically covers the prize money for these said tournament. This tournaments get the game attention by putting it out there and allowing games to get attention long after there release.

Streaming allows for both content creators and gaming business to earn money. This is typically due to the streamer putting a compnaies game into the limelight and the company sponsering the streamer for promoting there product.

Full free to play games typically have some sort of add revanue that allows free games to make money. This allows for free games to make money based off of the amount of downloads that the game has recieved.

Some paid for games, and even free to play games will have in game currency that can be obtained through playing the game or by putting real life money into the game. This is another way free to play games will make income, by having in game purchases or some sort of system in place that allows for the game to make money the more the consumer plays it.

Loot boxes allow for an exciting gambling like feature in games that allows indaviduals to pay real life money, or use in game currency in order to purchases boxes that allow for buffs, skins, new characters that'll give you an advantage in the game. Loot boxes keep the game fresh and exciting for both old and new players.

Micro Transactions are very similar to loot boxes. While these also require the consumer to pay real life money, they are typically focused towards garunteed items, skins or characters. Purchases like this further encourage consumers to put money into the game, earning more revanue for the game.

In game purchases allow many consumers to still maintain the 'old' retro feeling of going into stores and buying new games that have released. Even going as far as to allow game collectors to still spend money into there favorite hobby. In store purchase also allows for deals, such as buy one get one fifty percent off. A deal you typically wouldn't get from and online purchase.

Online purchases allow for easier access to games. By buying a game online you don't have to worry about midnight releases where the physical copy of the game might sell out, or your risk staying up to late and being late for work.

Commercials and adds are a great way to get the information about new games out there. With how popular televesion and youtube is, one of the best ways to get the knowledge of new games out there will be youtube adds or television commercials.

Demos are a great way to advertise games. Demos allow the consumer to play a free version of the game, giving them the chance to concider buying said game based on the free demo experience.