The mission objective for Blok Copy is simple; the playfield contains seven distinct designs of tile arranged into columns of five and, at the start of each level, everything gets shuffled around; the operator must then reorganise those tiles to resemble their starting order to unlock the stage and progress to the next until all ten levels have been re-synchronised. The game is controlled with a joystick in port 2, just moving the stick controls the cursor and moving with the fire button held down will shuffle the currently selected row or column.
This remixed version was built from the source code for Blok Copy and contains a number of graphical tweaks to make things easier to follow, along with quite a bit of internal tidying. This work was mostly taken on whilst preparing to write the Atari 8-bit port which was released on the same day. The source code for Blok Copy RX on the C64 has been released onto GitHub.
Trivia: To enable the "hidden" PETSCII mode (which was based on the at that point unreleased Blok Copy - PETSCII Edition, hold down the Commodore key as fire is pressed to start the game.