I used a credit card to buy a computer game. The game is called ‘Mars Mystique Mission’.

I used a credit card to buy the computer game is called “Mars Mystique Mission”.

I used a credit card to buy the computer game which called “Mars Mystique Mission”.

I used a credit card to buy the computer game which is called “Mars Mystique Mission”.

I used a credit card to buy the computer game what is called “Mars Mystique Mission”.