| Random State Capital to U.S. State | 0 | - | 4.83 | 88,366 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,607 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,943 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,187 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,381 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,679,437 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,147 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,185 |
| Name a City - European Countries | 0 | - | 4.92 | 64,602 |
| Africa Capitals Quiz | 0 | - | 4.99 | 731,542 |
| Asia Capitals Quiz | 0 | - | 4.98 | 687,068 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,349 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,695 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,989 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,646 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,770 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,925 |
| Which City in Europe? | 0 | - | 4.83 | 106,844 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,507 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,075 |
| Random U.S. City to State | 0 | - | 4.45 | 75,452 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,253 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,045 |
| Europe Capital to Country | 0 | - | 4.99 | 248,263 |
| Asia Capital to Country | 0 | - | 4.96 | 125,890 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,717 |
| European Capitals by Map | 0 | - | 4.99 | 136,858 |
| African Capitals by Map | 0 | - | 4.99 | 132,388 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,883 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,405 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,364 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,759 |
| European Coastal Capitals | 0 | - | 4.95 | 89,906 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,246 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,428 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,186 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,475 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,701 |
| Which City in Canada? | 0 | - | 4.82 | 56,769 |
| Which City in California? | 0 | - | 4.56 | 31,930 |
| Official Cities in the UK | 0 | - | 4.89 | 281,050 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,387 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,774 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,535 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,302 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,288 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,784 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,632 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,860 |
| US States and State Capitals | 0 | - | 4.99 | 159,010 |
| Boroughs of New York City | 0 | - | 4.47 | 84,190 |
| Random U.S. States on a Map | 0 | - | 4.96 | 622,391 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,484 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,204 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,377 |
| ALL California Cities | 0 | - | 4.37 | 42,865 |
| Random European City to Country | 0 | - | 4.69 | 116,762 |
| Random Asian City to Country | 0 | - | 4.56 | 44,411 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,379 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,906 |
| World Capitals Quiz | 0 | - | 5.00 | 5,038,637 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,530 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,613 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,253 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,167 |
| Random European Capital to Country | 0 | - | 4.98 | 189,413 |
| Random European Country to Capital | 0 | - | 4.92 | 147,614 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,482 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,562 |
| Random African Capital to Country | 0 | - | 4.97 | 99,805 |
| Random African Country to Capital | 0 | - | 4.94 | 70,314 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,755 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,377 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,974 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,754 |
| Capitals of the Stans | 0 | - | 4.95 | 26,495 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,572 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,589 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,936 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,835 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,050 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,852 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,945 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,649 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,557 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,626 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,858 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,477 |
| Every City in Arizona on a Map | 0 | - | 4.48 | 9,214 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,290 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,573,441 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,837 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,835 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,312 |
| European Cities by Clue | 0 | - | 4.70 | 88,852 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,929 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,079 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,631 |
| Which City in Texas? | 0 | - | 4.45 | 24,995 |
| Which City in Florida? | 0 | - | 4.61 | 10,940 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,648 |
| Chicago A-Z | 0 | - | 4.25 | 15,463 |
| Miami City Trivia | 0 | - | 4.60 | 11,197 |
| Dallas City Trivia | 0 | - | 4.46 | 6,788 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,485 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 502,644 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,021 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,649 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,580 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,019 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,472 |
| Name a City - Asian Countries | 0 | - | 4.38 | 19,418 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,226 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,840 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,791 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,930 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,754 |
| Countries by Capital City | 0 | - | 5.00 | 66,976 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,495 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,035 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,872 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,514 |
| Moved Capital Cities | 0 | - | 4.96 | 73,710 |
| Random Capital to Country | 0 | - | 4.99 | 2,580,007 |
| Random Country to Capital | 0 | - | 4.98 | 912,831 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,569 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,267 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,934 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,672 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,548 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,948 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 182,795 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.44 | 10,576 |
| Which City in the United States? | 0 | - | 4.21 | 56,782 |
| Which City in Africa? | 0 | - | 4.78 | 57,639 |
| Which City in the Middle East? | 0 | - | 4.47 | 66,898 |
| Which City in Asia? | 0 | - | 4.52 | 51,201 |
| Which City in Latin America? | 0 | - | 4.63 | 46,883 |
| Which City in Australia? | 0 | - | 4.67 | 34,284 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,840 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 218,830 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,747 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,231 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,449 |
| North American Sports Cities | 0 | - | 4.83 | 171,059 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,960 |
| Cities in European History #1 | 0 | - | 4.63 | 133,309 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,351 |
| European Cities by Map #2 | 0 | - | 4.47 | 47,223 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,591 |
| North America Cities by Map | 0 | - | 4.41 | 47,649 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,820 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,033 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,315 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,391 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,456 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,644 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,046 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,831 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,856 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,282 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,405 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,347 |
| Name a Valid World City | 0 | - | 4.83 | 70,291 |
| Cities by Former Name | 0 | - | 4.84 | 91,073 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,397 |
| Former Capitals | 0 | - | 4.88 | 71,196 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,768 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,317 |
| Capital Cities Chain | 0 | - | 4.84 | 82,029 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,983 |
| Coldest World Capitals | 0 | - | 4.95 | 133,109 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,134 |
| World Capitals by Map | 0 | - | 5.00 | 283,944 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,779 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,920 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,352 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,115 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 65,271 |
| Capitals Starting With H | 0 | - | 4.90 | 91,460 |
| Capitals Starting With K | 0 | - | 4.85 | 75,804 |
| Capitals Starting With L | 0 | - | 4.81 | 86,967 |
| Capitals Starting With M | 0 | - | 4.93 | 106,290 |
| Capitals Starting With P | 0 | - | 4.88 | 77,300 |
| Capitals Starting With R | 0 | - | 4.87 | 81,074 |
| Capitals Starting With S | 0 | - | 4.89 | 84,928 |
| Capitals Starting With T | 0 | - | 4.84 | 75,397 |
| Capitals Starting With W | 0 | - | 4.89 | 90,718 |
| Capitals Starting With A | 0 | - | 4.97 | 126,705 |
| Capitals Starting With B | 0 | - | 4.89 | 117,426 |
| Capitals Starting With D | 0 | - | 4.93 | 95,517 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,604 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,058 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,809 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,876 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,346 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,721 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,616 |
| Which City in Germany? | 0 | - | 4.50 | 135,506 |
| Which City in Italy? | 0 | - | 4.64 | 88,660 |
