Nintendo is set to please the green brigade with the release of Chibi-Robo: Park Control in the US.

The publisher is giving away free tree seedlings with a limit number of units of the environmentally-conscious game, which sees players cleaning up a parks, building park equipment and defeating toxic enemies.

According to Next-gen, 500 tree seedlings will be given at random to gamers who register at a special website before November 9th

"From hybrid cars to energy-conserving light bulbs, everyone is going green," said Nintendo of America's outgoing senior VP of marketing and corporate communications George Harrison. "Chibi-Robo: Park Patrol represents one of the first environmentally themed video game adventures.”