I can't add these games to my game collection

[16-bit gamer]

i added like 5 games to the database and i'm not able to add any of them to my game collection...the add button is not there..the add button is there for my wishlist though..

i have this problem with these games

http://www.vgchartz.com/games/game.php?id=37615

http://www.vgchartz.com/games/game.php?id=37783

http://www.vgchartz.com/games/game.php?id=37784

 

is it my browser? i tried it with both Opera and Fire Fox and it doesn't work...