046144800212

• 0 — Number system
• 46144 — Manufacturer code
• 80021 — Product code
• 2 — Check digit (confirms the number is well-formed)

UPC-A ✓ Valid check digit

Destination: Mars! (pc dos, this and Apple ii version both by computeach)

Search for Destination: Mars! (pc dos, this and Apple ii version both by computeach) on Amazon (or for the code 046144800212)