Rainbows have a naughty side. They like to swap their colours around and it's your job to sort it out. Pick a Rainbow card then all the players have to race to grab the colours which have swapped places if you are correct you get that colour's cube which you use to build your own rainbow, first player to build a complete rainbow is victorious. But watch out for traps which can wipe out your rainbow instantly!
Don't just take our word for it! Check out this review of Rainbow Rage.