tested on akaio 1.5 using a black pcb ak 2.1 and an 8gb transcend msdhc with no problems. the EFS version of this game loads fine when the code for warhawkDS failed when my 3in1 was inserted. i don't know what they changed but i like to think that is proof it isn't my 3in1 but crappy EFS! hehe.
they are still releasing files without version numbers and change logs, so double check what you are downloading before you grab it.