Rocket League was removed from the Steam store in 2020 when it became a free-to-play game and was exclusively available on the Epic Games Store. This decision was made by the game's developer, Psyonix, after they were acquired by Epic Games. As a result, Rocket League can only be downloaded and played through the Epic Games Store, and is no longer available for purchase on Steam. **

Rocket League may not be starting on Steam due to various reasons such as outdated graphics drivers, corrupted game files, or conflicts with other software running on the system. It is recommended to check for any pending updates for both the game and the system, verify the integrity of game files through Steam, and ensure that no conflicting software is causing the issue. Additionally, restarting the computer or reinstalling the game may also help resolve the problem. **

The Rocket League DLC on Steam refers to additional content that can be purchased and added to the base game of Rocket League. This DLC includes new cars, customization items, and other in-game content that can enhance the gameplay experience. Players can choose to buy individual DLC packs or opt for a bundle that includes multiple DLCs at a discounted price. The DLC adds new features and options to the game, allowing players to further customize their cars and express their personal style. **

To play Rocket League on Steam, you first need to create a Steam account and download the Steam client on your computer. Once you have the Steam client installed, you can search for Rocket League in the Steam store and purchase the game. After purchasing the game, you can download and install it on your computer through the Steam client. Once the game is installed, you can launch it from your Steam library and start playing. **

One can earn Steam money in Rocket League by participating in tournaments and competitions that offer cash prizes. Another way is by trading in-game items with other players for Steam Wallet funds. Additionally, players can sell their Rocket League items on third-party websites or marketplaces for real money, which can then be used to purchase Steam Wallet codes. **

Yes, you can play Rocket League on the Steam Deck. Rocket League is available on the Steam platform, and since the Steam Deck runs on a custom version of SteamOS, you should be able to download and play the game on the device. The Steam Deck's hardware specifications are also capable of running Rocket League smoothly, so you should have a good gaming experience on the device. **

To remove Steam Input in Rocket League, you can go to your Steam library, right-click on Rocket League, and select "Properties." Then, go to the "General" tab and uncheck the "Enable Steam Input" option. This will disable Steam Input for Rocket League and allow you to use the game's native input settings. Keep in mind that this will also disable any controller configurations you may have set up through Steam Input. **

I'm sorry, but I cannot provide real-time information on the validity of specific Steam keys for Rocket League. To check the validity of a Steam key, you can try entering it into the Steam platform to see if it is still active and can be redeemed. If you are having trouble with a Steam key, you may also want to reach out to the retailer or platform from which you obtained the key for assistance. **