I normally go for 5 euros at a time, giving you 31 games, and as you say, it's cheap, really.
Anyway, once the update gets here, well there's 2 updates now, one only functioning in France, you'll have more than twice the levels, new quests, and new objects, so you'll have it all for free!
There's a player in France who got bored, came back after a year, and had nearly a thousand games