Grok16 5.2.0 keeps classic and Ultimate hardware in separate Dewey books and Queen Game Room tiles.
| Lane | Hardware | Queen | CHIPS stack |
|---|---|---|---|
| Classic C64 | 1982 breadbin · MOS 6510 | c64 · CHIPS/C64 | retro_c64 |
| C64 Ultimate | 2025–2026 FPGA · Artix-7 | c64_ultimate · pair/C64Ultimate | c64_ultimate_fpga |