| 100% | OCTAL | 5 | Number system in which 10 is 12 |
| 59% | OCTAL | 5 | Like the number system in which 2025 is 3751 |
| 58% | OCTAL | 5 | Kind of number system in which 7 is the highest digit |
| 51% | OCTAL | 5 | System in which 2017 is 3741 |
| 50% | ASCII | 5 | System in which 33 and 63 are "!" and "?" |
| 48% | NATO | 4 | Alphabet system in which "D" is 3-Down |
| 48% | ASL | 3 | System in which "time" is a tap on the wrist, for short |
| 46% | CUBERULE | 8 | Food classification system in which a Pop-Tart is considered a calzone |
| 46% | ASL | 3 | Speech system in which 6 and W are the same, for short |
| 46% | OCTAL | 5 | Kind of system in which 64 is 100 |
| 45% | OPERATION | 9 | Process in which a number is altered or changed |
| 45% | SSS | 3 | Org. in which one's number may be up |
| 45% | SCRABBLE | 8 | Game in which Q and Z are worth 10 |
| 45% | TEN | 3 | Number on which the decimal system is based |
| 42% | SCOTS | 5 | Language in which the first four cardinal numbers are ane, twa, three and fower |
| 42% | LAO | 3 | Language in which the first five counting numbers are nung, song, sam, si, ha |
| 41% | SURVIVOR | 8 | 1999 satirical novel by Chuck Palahniuk in which the chapters and pages are numbered backwards |
| 41% | ONES | 4 | US dollar bills of which over 12 billion are in circulation |
| 41% | ROULETTE | 8 | Gambling game in which a ball is dropped onto a spinning wheel divided into numbered slots |
| 41% | BINARY | 6 | Number system in Programming 101? |
| 41% | SAMOAN | 6 | Language in which the first six counting numbers are tasi, lua, tolu, fa, lima and ono |
| 40% | SCRABBLE | 8 | Board game developed by Alfred Butts in which numbered tiles with letters are used to form words |
| 38% | GLADOS | 6 | Artificial intelligence computer system which is the main antagonist in the "Portal" video game series: Abbr. |
| 38% | BASESEVEN | 9 | In which 49 is 100 |
| 38% | NIHILISM | 8 | In which nothing is everything |
| 38% | ESPERANTO | 9 | In which "language" is lingvo |
| 38% | KARATE | 6 | In which belts are worn |
| 38% | CANTONESE | 9 | Dialect in which the number two is considered lucky because its character is homophonous for the characters for easy and bright |
| 38% | DOWN | 4 | System of a ___, Armenian-American heavy metal band that was formed in California which had the hit song "Hypnotize" |
| 37% | WOK | 3 | In which dim sum is cooked |