| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,679,006 |
| US States and State Capitals | 0 | - | 4.99 | 158,914 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,646 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,551 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,892 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,353 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,690 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,552 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,830 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 105,105 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,161 |
| Name a City - European Countries | 0 | - | 4.92 | 64,563 |
| Africa Capitals Quiz | 0 | - | 4.99 | 731,154 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,739 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,620 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,723 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,915 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,640 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,461 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,028 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,237 |
| Europe Capital to Country | 0 | - | 4.99 | 248,170 |
| Asia Capital to Country | 0 | - | 4.96 | 125,853 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,666 |
| European Capitals by Map | 0 | - | 4.99 | 136,753 |
| African Capitals by Map | 0 | - | 4.99 | 132,346 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,726 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,334 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,325 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,741 |
| European Coastal Capitals | 0 | - | 4.95 | 89,883 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,234 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,268 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,097 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,467 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,324 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,927 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,078 |
| Which City in California? | 0 | - | 4.56 | 31,922 |
| US States Quiz | 0 | - | 5.00 | 16,722,337 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,752 |
| U.S. States Closest to Moscow | 0 | - | 4.50 | 47,822 |
| U.S. Senators by State | 0 | - | 4.45 | 39,780 |
| Official Cities in the UK | 0 | - | 4.89 | 280,943 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,250 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,753 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,511 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,278 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,252 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,771 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,588 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,834 |
| Random U.S. States on a Map | 0 | - | 4.96 | 622,143 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,475 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,483 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,325 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,271 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,881 |
| World Capitals Quiz | 0 | - | 5.00 | 5,036,751 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,496 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,586 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,243 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,158 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,126 |
| Random European Capital to Country | 0 | - | 4.98 | 189,386 |
| Random European Country to Capital | 0 | - | 4.92 | 147,593 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,463 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,539 |
| Random African Capital to Country | 0 | - | 4.97 | 99,796 |
| Random African Country to Capital | 0 | - | 4.94 | 70,302 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,739 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,901 |
| New York City A-Z | 0 | - | 4.18 | 32,208 |
| US States with an Empty Map | 0 | - | 5.00 | 619,530 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,863 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,741 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,485 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,526 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,820 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,072 |
| U.S. States By Population | 0 | - | 4.92 | 152,472 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,525 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,946 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,642 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,803 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,962 |
| Capitals of the Stans | 0 | - | 4.95 | 26,473 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,545 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,037 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,817 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.54 | 137,727 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,639 |
| Random U.S. City to State | 0 | - | 4.45 | 75,437 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,551 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,850 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,043 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,267 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,572,841 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,828 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,325 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,685 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,965 |
| Which City in New York State? | 0 | - | 4.60 | 15,886 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 39,163 |
| Which City in Europe? | 0 | - | 4.83 | 106,816 |
| Which City in Texas? | 0 | - | 4.45 | 24,991 |
| Which City in Florida? | 0 | - | 4.61 | 10,939 |
| Merged U.S. States | 0 | - | 4.36 | 43,905 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,675 |
| Draw All US State Borders | 0 | - | 4.99 | 134,046 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 502,450 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 94,883 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,704 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,959 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,231 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,087 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,191 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,827 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,577 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,968 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,468 |
| Find the City #1 | 0 | - | 4.97 | 42,221 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,123 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,756 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,715 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,806 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,634 |
| Countries by Capital City | 0 | - | 5.00 | 66,839 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,438 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,998 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,779 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,488 |
| Moved Capital Cities | 0 | - | 4.96 | 73,670 |
| Random Capital to Country | 0 | - | 4.99 | 2,579,642 |
| Random Country to Capital | 0 | - | 4.98 | 912,534 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,559 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,926 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,667 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,540 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,944 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,668 |
| Which City in Canada? | 0 | - | 4.82 | 56,752 |
| Boroughs of New York City | 0 | - | 4.47 | 84,165 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,821 |
| U.S. State Flags | 0 | - | 4.89 | 167,676 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,110 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 59,558 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,142 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 218,762 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,694 |
| Random U.S. Sports Team to State | 0 | - | 4.36 | 26,219 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,285 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,200 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,359 |
| North American Sports Cities | 0 | - | 4.83 | 171,028 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,953 |
| Cities in European History #1 | 0 | - | 4.63 | 133,274 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,345 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,221 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,585 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,188 |
| North America Cities by Map | 0 | - | 4.41 | 47,642 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,819 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,031 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,287 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,322 |
| ALL California Cities | 0 | - | 4.37 | 42,849 |
| Random European City to Country | 0 | - | 4.69 | 116,747 |
| Random Asian City to Country | 0 | - | 4.56 | 44,408 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 44,947 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,801 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,825 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,265 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,393 |
| Name a Valid World City | 0 | - | 4.83 | 70,259 |
| Cities by Former Name | 0 | - | 4.84 | 91,053 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,394 |
| Former Capitals | 0 | - | 4.88 | 71,183 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,743 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,289 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,837 |
| Capital Cities Chain | 0 | - | 4.84 | 81,989 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,946 |
| Coldest World Capitals | 0 | - | 4.95 | 133,091 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,086 |
| World Capitals by Map | 0 | - | 5.00 | 283,790 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,754 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,897 |
| All First Level Subdivision Capitals | 0 | - | 4.85 | 14,993 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,082 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 65,168 |
| Capitals Starting With H | 0 | - | 4.90 | 91,374 |
| Capitals Starting With K | 0 | - | 4.85 | 75,764 |
| Capitals Starting With L | 0 | - | 4.81 | 86,932 |
| Capitals Starting With M | 0 | - | 4.93 | 106,228 |
| Capitals Starting With P | 0 | - | 4.88 | 77,268 |
| Capitals Starting With R | 0 | - | 4.87 | 81,052 |
| Capitals Starting With S | 0 | - | 4.89 | 84,896 |
| Capitals Starting With T | 0 | - | 4.84 | 75,368 |
| Capitals Starting With W | 0 | - | 4.89 | 90,683 |
