Hard Chip
Playing now
2+2 vs. yesterday
29%of peak
All-time peak
713 Sep 2026
Update history
A permanent record of every observed change.
Playing now
2+2 vs. yesterday
All-time peak
713 Sep 2026
A permanent record of every observed change.
| Status | Key | Previous value | New value |
|---|---|---|---|
| Added | AC_64BitAdderDone | — | Carry Champion — Create an unreasonable 64-bit Adder. |
| Added | AC_8BitAdderDone | — | Adder Finisher — Create a 8-bit Adder. |
| Added | AC_8BitMultiplierDone | — | Multiplier Maverick — Multiply the unthinkable and came out on top. 8 bits? No problem! |
| Added | AC_AdvancedDone | — | Advanced — Get an Advanced grade in any challenge circuit. |
| Added | AC_Chapter1Done | — | Ghost in the Grid — Complete the Chapter 1. |
| Added | AC_MasterpieceDone | — | Masterpiece — Get a Masterpiece grade in any challenge circuit. |
| Added | AC_NANDDone | — | NAND Designer — Create a NAND gate. |
| Added | AC_OpenTheDoor | — | Open the door — Replace the Bypass chip of the door control. |