There are some regular priced games, but here are some of the sale prices
My Weight Loss Coach $13.86 (from $29.99)
My Word Coach $9.81 (from $19.99)
Ener-G Gym Rockets $9.60 (from $29.99)
Imagine Ballet Star $10.80 (from $29.99)
Petz Rescue Endangered Paradise $13.05 (from $29.99)
You could get My Word Coach, Ener-G Gym Rockets, and Imagine Ballet Star for only $20.61 shipped!
Here is a link to all of the sale Amazon Nintendo DS games