| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,035 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,897 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,691,336 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,164 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,901 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,238 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,158 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,182 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,745 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,213 |
| Random U.S. City to State | 0 | - | 4.45 | 76,364 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,831 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,043 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,976 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,380 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,714 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,983 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,124 |
| US States Quiz | 0 | - | 5.00 | 16,896,432 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,280 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,928 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,779 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,546 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,535 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,429 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,808 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,160 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,568 |
| Name a City - European Countries | 0 | - | 4.90 | 65,493 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,709 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,905 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,611 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,071 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,065 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,790 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,701 |
| Boroughs of New York City | 0 | - | 4.47 | 84,659 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,027 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,561 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,552 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,159 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,462 |
| U.S. States By Population | 0 | - | 4.92 | 153,645 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,580 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,517 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,416 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,262 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,708 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,446 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,506 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,888 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,035 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,839 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,120 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,406 |
| Which City in Europe? | 0 | - | 4.83 | 107,479 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,648 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,182 |
| US States with an Empty Map | 0 | - | 5.00 | 625,311 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,223 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,724 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,351 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,837 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,253 |
| ALL California Cities | 0 | - | 4.37 | 43,083 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,460 |
| Europe Capital to Country | 0 | - | 4.99 | 250,585 |
| Asia Capital to Country | 0 | - | 4.96 | 126,753 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,040 |
| European Capitals by Map | 0 | - | 4.99 | 139,591 |
| African Capitals by Map | 0 | - | 4.99 | 134,031 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,542 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,187 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,527 |
| European Coastal Capitals | 0 | - | 4.95 | 90,706 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,628 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,400 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,266 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,878 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,102 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,086 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,063 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,815 |
| World Capitals Quiz | 0 | - | 5.00 | 5,079,049 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,966 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 33,986 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,211 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,171 |
| Official Cities in the UK | 0 | - | 4.89 | 284,180 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,418 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,592 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,223 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,573 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,124 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,417 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,919 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,238 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,472 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,349 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,445 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,168 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,209 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,344 |
| Which City in Canada? | 0 | - | 4.83 | 57,111 |
| Capitals of the Stans | 0 | - | 4.95 | 26,876 |
| American TV Show Settings | 0 | - | 4.35 | 30,656 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,602 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,265 |
| Random European City to Country | 0 | - | 4.69 | 117,783 |
| Random Asian City to Country | 0 | - | 4.56 | 44,553 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,664 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,588,655 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,232 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,636 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,244 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,071 |
| US States and State Capitals | 0 | - | 4.99 | 162,985 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,757 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,448 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,884 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,026 |
| States of Mexico | 0 | - | 4.96 | 176,420 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,863 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,443 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,434 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,520 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,939 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,266 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,384 |
| South American Cities on the Map | 0 | - | 4.53 | 35,444 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,538 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,537 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,559 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,249 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,729 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,295 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,690 |
| Random European Capital to Country | 0 | - | 4.98 | 191,058 |
| Random European Country to Capital | 0 | - | 4.93 | 165,272 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,530 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,844 |
| Random African Capital to Country | 0 | - | 4.97 | 100,796 |
| Random African Country to Capital | 0 | - | 4.94 | 71,322 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,400 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,824 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,883 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,429 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,463 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,609 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,616 |
| Pixelated United States Map | 0 | - | 4.87 | 94,365 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,398 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,956 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,324 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,406 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,484 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,596 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,352 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,167 |
| Countries by Capital City | 0 | - | 5.00 | 68,467 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,265 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,741 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,772 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,023 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,310 |
| Moved Capital Cities | 0 | - | 4.96 | 74,279 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,607 |
| European Cities by Clue | 0 | - | 4.70 | 89,079 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,453 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,715 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,567 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,856 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,207 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,544 |
| New England States | 0 | - | 4.51 | 59,822 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,853 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,022 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,867 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,054 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,967 |
| U.S. States by Borders | 0 | - | 4.61 | 35,349 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 186,108 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,511 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,100 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,968 |
| North American Sports Cities | 0 | - | 4.83 | 172,515 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,362 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,790 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,572 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,467 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,737 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,459 |
| Cities by Former Name | 0 | - | 4.83 | 91,637 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,439 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,713 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,307 |
| World Capitals by Map | 0 | - | 5.00 | 287,070 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,392 |
| Random Capital to Country | 0 | - | 4.99 | 2,593,014 |
| Random Country to Capital | 0 | - | 4.98 | 921,692 |
