* Top 10 companies share 70 per cent of games market but 95 per cent of video rental
* Electronic Arts increased its sales by $400m in 2001 to become top games publisher
* No single publisher reached $1bn in sales in 2001, unlike in previous year
* Take-Two and Konami each jumped more than 10 places in publisher rankings
* Increasing cost of games development likely to result in more market concentration
* Strong media brands and established franchises are dominating current games market
The US video and PC game