I prefer any gametype, with two players, only Bomb Up, Remotes, and anything else you want to clear blocks quickly (Skates, Fire Up). Then, lay 6+ bombs each and fire away! You could do it without remotes but you might die before you lay them all properly.
It's easy regardless I guess...
Achievement Guides by litepink™
Angry Birds WP7 | Arkanoid Live! | Asteroids Deluxe WP7 | Darwinia+ | Doodle Jump | Guitar Hero 5 | Kinect Adventures | Kinect Sports: Season Two | Lego Harry Potter | Lunar Lander WP7 | MLB 2K10 | Otomedius G | Pac-Man CE DX WP7 | Rainbow Islands | Rock Band Metal Track Pack | Scott Pilgrim | Tecmo Bowl | Tiger ‘10 | Tiger ‘11