LONDON, Jan 12 (Reuters Breakingviews) - The holiday quarter is traditionally a bumper one for gaming groups, as punters stay home to play. But while sales of blockbusters like Sony’s (6758.T) “God of War” have held up well this season, inflation-pinched consumers have shunned smaller titles like Ubisoft Entertainment’s (UBIP.PA) “Mario + Rabbids”. The French group flagged on Wednesday that revenue for the year ending March would be down more than 10%, compared to previous guidance of a more than 10% increase on last year’s 2.1 billion euros. The grim outlook echoes warnings on Monday from rival Frontier Developments (FDEV.L),...