More research

Game Reviewing
To review a game, a lot of studying has to be made on a game, this game needs to be played a considerable amount of time, all the areas are needed to have been explored and the game needs to be completed. If the game has not been completed then you cannot explore the game fully to review it, also the game needs to be released or close to its release date, within a month at the most. The main aspects of a game to be reviewed is the gameplay, the graphics, the controls, the music and the lifespan of the game. Also multiplayer and extra features is an essential if they are featured within the game.

Game Previewing
For a preview, owning the game is not a priority. You can preview a game just with researching with demo videos, looking at peoples opinions who have played with demo games or people that have got their hands on the game already in maybe Japan or the US. Trailers are usually my way for reviewing games.

Game Tips
To give tips on games you have to explore and create new ways to play, new ways to discover how to do things, such as finding secret areas, solving puzzles easily, beating bosses easier or even explore glitchy sections of games, also easter eggs can be put into the tips section. Sometimes unlocking stuff can be put into tips too. Anything that can help a player can be considered a helpful tip.