Totally addictive. I have Bit Trip complete on Wii and love It. So decided I need to buy Runner 2 for the xbox 360 and I've not played anything else except It since I bought It. Highly recommended to anyone wanting something that Isn't brown and that Is pretty challenging and very addictive!!
Also available on steam
http://store.steampowered.com/app/218060/
If life gives you lemons, make lemonade.