Multicarts

Multicart by CPUWIZ button Astrocade Multicart by CPUWIZ. Released in 2004.
Multicart by GaMBITS Astrocade Multicart by GaMBITS. Released in 2007 or 2008 (This needs to be cleared up).
Multicart Astrocade Multicart by RetroKidz. Released in 2006. Available from 8-Bit Domain.
Multicart Astrocade Multicart by Ward Shrake. Released in 2002.