17 per cent are played for under an hour, claims new research.
Xbox 360 version helps the mech shooter's sales rise up 220%.
Launching across Europe on Friday, April 11.
On its way to claiming the most No.1s ever for a PC game.
But neither game could match sales of Assassin's Creed 3 and Battlefield 3.
But full Football Manager experience 'technically possible' on iPad Air.
Offers six-months of in-game time which can be carried over to the full game.
Sports Interactive has secured a number of English leagues for this year's game.
Pre-order to gain access to the game two weeks earlier.