Level Guides

Step-by-step task descriptions and solutions for all 47 levels — from the first wire to creating a computer on Tang Nano 9K.

  1. 1. Let there be light!
  2. 2. Negation
  3. 3. Perfect pair
  4. 4. At least one
  5. 5. Strict choice
  6. 6. Half Adder
  7. 7. Full Adder
  8. 8. 8-bit Adder
  9. 9. Crossroads
  10. 10. Loopback
  11. 11. Smart memory
  12. 12. Tangible Memory
  13. 13. Operation Selection
  14. 14. Heart of math
  15. 15. System Pulse
  16. 16. Program Counter
  17. 17. Anatomy of a Decoder
  18. 18. FINALE: The Ershov Computer
  19. 19. Step Forward (PC+2)
  20. 20. Dual Read
  21. 21. Pointers
  22. 22. Bus Conflict
  23. 23. Gamepad
  24. 24. Manual Pixel
  25. 25. Negative Check
  26. 26. Dice Roll
  27. 27. Hello, Ports!
  28. 28. Moving Dot
  29. 29. FINALE: Snake
  30. 30. Hello, Wire!
  31. 31. Flow Control (MUX)
  32. 32. First Computation
  33. 33. Scaling Circuits
  34. 34. Transition to Data Buses
  35. 35. Computation Center (ALU)
  36. 36. ALU
  37. 37. Memory and Time
  38. 38. Step by Step
  39. 39. Random Access Memory
  40. 40. Heart of the CPU
  41. 41. System Anatomy
  42. 42. X-Ray for Silicon
  43. 43. Freezing Time
  44. 44. Control Unit
  45. 45. My ISA
  46. 46. Memory-Mapped I/O
  47. 47. Create Computer