| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,497 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,547 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,518 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,763 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,669 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,021 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,072 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,900 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,625 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,331 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,808 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,428 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,259 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,386 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,865 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,033 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,386 |
| US States Quiz | 0 | - | 5.00 | 16,832,125 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,597 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,827 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,224 |
| Random U.S. City to State | 0 | - | 4.45 | 76,122 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,210 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,617 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,881 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,998 |
| Name a City - European Countries | 0 | - | 4.90 | 65,192 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,204 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,813 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,641 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,168 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,207 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,694 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,963 |
| U.S. States By Population | 0 | - | 4.92 | 153,008 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,189 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,315 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,131 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,106 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,464 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,384 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,330 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,850 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,009 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,744 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,647 |
| Boroughs of New York City | 0 | - | 4.47 | 84,489 |
| US States with an Empty Map | 0 | - | 5.00 | 623,282 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,408 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,820 |
| Europe Capital to Country | 0 | - | 4.99 | 249,568 |
| Asia Capital to Country | 0 | - | 4.96 | 126,472 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,581 |
| European Capitals by Map | 0 | - | 4.99 | 138,577 |
| African Capitals by Map | 0 | - | 4.99 | 133,365 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,072 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,876 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,236 |
| European Coastal Capitals | 0 | - | 4.95 | 90,386 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,501 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,159 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,554 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,740 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,035 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,730 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,388 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,903 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,414 |
| ALL California Cities | 0 | - | 4.37 | 42,988 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,445 |
| World Capitals Quiz | 0 | - | 5.00 | 5,063,103 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,432 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,805 |
| Official Cities in the UK | 0 | - | 4.89 | 283,058 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,358 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,078 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,246 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,890 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,986 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,691 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,076 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,092 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,164 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,264 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,111 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,169 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,895 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,497 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,943 |
| Capitals of the Stans | 0 | - | 4.95 | 26,740 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,066 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,560 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,374 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,691 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,835 |
| American TV Show Settings | 0 | - | 4.35 | 30,634 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,933 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,026 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,726 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,069 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,048 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,614 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,221 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,049 |
| US States and State Capitals | 0 | - | 4.99 | 161,274 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,327 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,226 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,471 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,789 |
| States of Mexico | 0 | - | 4.95 | 175,509 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,077 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,357 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,637 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,023 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,057 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,226 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,572 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,478 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,034 |
| South American Cities on the Map | 0 | - | 4.56 | 35,386 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,842 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,513 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,731 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,514 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,954 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,237 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,265 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,961 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,619 |
| Countries by Capital City | 0 | - | 5.00 | 67,913 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,966 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,457 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,622 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,961 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,444 |
| Moved Capital Cities | 0 | - | 4.96 | 74,055 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,547 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,402 |
| Random European Capital to Country | 0 | - | 4.98 | 190,627 |
| Random European Country to Capital | 0 | - | 4.93 | 164,604 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,217 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,597 |
| Random African Capital to Country | 0 | - | 4.97 | 100,486 |
| Random African Country to Capital | 0 | - | 4.94 | 71,097 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,834 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,349 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,515 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,257 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,026 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,331 |
| Pixelated United States Map | 0 | - | 4.87 | 94,076 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,960 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,642 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,903 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,475 |
| Which City in Europe? | 0 | - | 4.83 | 107,164 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,377 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,144 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,545 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,294 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,600 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,106 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,336 |
| New England States | 0 | - | 4.51 | 59,782 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,748 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,983 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,692 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,918 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,873 |
| U.S. States by Borders | 0 | - | 4.61 | 35,257 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 185,077 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,425 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,946 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,721 |
| North American Sports Cities | 0 | - | 4.83 | 171,752 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,242 |
| Cities in European History #1 | 0 | - | 4.63 | 133,800 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,717 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,307 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,700 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,867 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,534 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,102 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,246 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,658 |
| Name a Valid World City | 0 | - | 4.83 | 70,938 |
| Cities by Former Name | 0 | - | 4.83 | 91,420 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,325 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,574 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,885 |
| World Capitals by Map | 0 | - | 5.00 | 285,598 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,155 |
| Random Capital to Country | 0 | - | 4.99 | 2,588,017 |
| Random Country to Capital | 0 | - | 4.98 | 918,303 |
| Capitals Starting With H | 0 | - | 4.91 | 92,135 |
| Capitals Starting With K | 0 | - | 4.87 | 80,704 |
| Capitals Starting With L | 0 | - | 4.81 | 87,618 |
| Capitals Starting With M | 0 | - | 4.93 | 107,186 |
| Capitals Starting With P | 0 | - | 4.88 | 77,824 |
| Capitals Starting With R | 0 | - | 4.87 | 81,504 |
