Boomerang / Flicker
OPDBNutting Associates1974–1975
2 editions of one title, held as separate machines because their playfields differ.
Flicker (Prototype)
1974 · 1 ROM
Boomerang (Engineering Prototype, patched patent code)
1975 · 2 ROMs
What differs, by the numbers
0 of the compared properties differ. Counted from each edition's own definition, so this holds whether or not anyone has written the differences down.
| Property | Flicker (Prototype) | Boomerang (Engineering Prototype, patched patent code) |
|---|
Counts come from each edition's own definition. A zero means the definition records none — for a stub or partial edition that may mean nobody has described it yet rather than that the machine lacks it.