Official first release of Siren's Last Call for the ArduboyFX! There are three packages ready for uploading to whatever FX-enabled arduboy you probably have!
The first is the stock ArduboyFX.
The second one is for Homemade Arduboys built with alternate wiring, an sh1106 screen, and the FX pin on RX.
The last is for the Arduboy mini.
Please make sure you choose the right version for your system!