A coder Jonatan Poljo works in the Mojang company office in Stockholm, Sweden 18. A pool table, a pinball machine, board games and Lego dot the offices of Mojang, the small Swedish company behind the wildly popular Minecraft video game. The atmosphere reflects the independent spirit that has contributed to the raw identity of the game that has just sold 20 million copies. The founders want to keep it that way. Mojang, the Swedish word for gadget, has so far resisted selling to a bigger player or listing on the stock market even though that could mean monster payoffs for the 25-person staff and funding to expand dramatically its games. Reuters/Ints Kalnins