The Binary Game (Cisco)
Convert between binary and decimal against the clock across rising levels
The Binary Game is a fast-paced arcade game from the Cisco Learning Network that teaches the binary number system. You convert decimal numbers to binary and binary numbers to decimal under time pressure, level after level. Players report that the guide numbers for each bit position (128 down to 1) disappear after the early levels, so you soon have to work them out in your head.
Free · Login needed · Browser · Beginner
About The Binary Game (Cisco)
Cisco built it for CCNA candidates, who need to do these conversions quickly, and the same skill sits behind subnet masks and bit flags. It suits networking students and any developer who wants to read a byte at a glance. The page hosts a community feed where players share scores and tips.
It runs in the browser and is free, but you must be logged in to a free Cisco Learning Network account to play. Cisco says it has been played over a million times.
On Breakpoint since 31 Oct 2026.
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