Leapfrog has the Leapster Batman game for only $5. Use coupon code LEAPSTR5 and get $5 off EACH game. They have other games that are discounted as well!
Here are a few that are available now:
Leapster® Game: The Batman $5.00 – Free after code Leapster® Game: Cosmic Math $7.49 – $2.49 after code Leapster L-Max™ Game: Dora the Explorer Rescue $7.49 – $2.49 after code Leapster L-Max™ Game: Numbers on the Run $7.49 – $2.49 after code