Unknown Column in Field List. PHP + Mysql

I think this

$query = "INSERT INTO tblGames (name, description, image) VALUES ($name, $description,". $target_path .")";

should be

$query = "INSERT INTO tblGames (name, description, image) VALUES ('$name', '$description', '". $target_path ."')";

It looks like the values should be quoted in your $query statement, i.e. $name, $description, and $target_path.

$query = "INSERT INTO tblGames (name, description, image) 
          VALUES ('$name', '$description', '" . $target_path . "')";