| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,326 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,128 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,694,071 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,490 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,049 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,358 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,211 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,330 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,996 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,051 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,695 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,095 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,453 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,944 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,061 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,192 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,418 |
| US States Quiz | 0 | - | 5.00 | 16,932,462 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,930 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,990 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,827 |
| Random U.S. City to State | 0 | - | 4.45 | 76,639 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,352 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,914 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,631 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,485 |
| Name a City - European Countries | 0 | - | 4.90 | 65,770 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,892 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,721 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,189 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,799 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,732 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,430 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,751 |
| U.S. States By Population | 0 | - | 4.92 | 153,812 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,803 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,636 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,579 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,357 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,839 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,475 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,601 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,180 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,085 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,819 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,733 |
| Boroughs of New York City | 0 | - | 4.47 | 84,767 |
| US States with an Empty Map | 0 | - | 5.00 | 626,450 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,073 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,541 |
| Europe Capital to Country | 0 | - | 4.99 | 251,129 |
| Asia Capital to Country | 0 | - | 4.96 | 126,964 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,368 |
| European Capitals by Map | 0 | - | 4.99 | 140,502 |
| African Capitals by Map | 0 | - | 4.99 | 137,932 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,976 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,396 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,735 |
| European Coastal Capitals | 0 | - | 4.95 | 90,918 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,716 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,165 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,835 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,968 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,128 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,504 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,916 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,623 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,602 |
| ALL California Cities | 0 | - | 4.37 | 43,135 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,473 |
| World Capitals Quiz | 0 | - | 5.00 | 5,088,310 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,635 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,414 |
| Official Cities in the UK | 0 | - | 4.89 | 284,878 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,749 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,871 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,797 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,270 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,627 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,098 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,360 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,628 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,468 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,527 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,198 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,226 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,006 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,601 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,010 |
| Capitals of the Stans | 0 | - | 4.95 | 26,971 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,224 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,636 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,446 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,592,664 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,338 |
| American TV Show Settings | 0 | - | 4.35 | 30,669 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,511 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,727 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,817 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,948 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,348 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,646 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,261 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,080 |
| US States and State Capitals | 0 | - | 4.99 | 163,801 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,967 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,140 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,273 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,178 |
| States of Mexico | 0 | - | 4.96 | 177,096 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,638 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,424 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,954 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,655 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,645 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.90 | 83,435 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,131 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,616 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,598 |
| South American Cities on the Map | 0 | - | 4.53 | 35,480 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,701 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,556 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,837 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,553 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,659 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,629 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,773 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,627 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,481 |
| Countries by Capital City | 0 | - | 5.00 | 68,769 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,452 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,890 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,467 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,482 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,651 |
| Moved Capital Cities | 0 | - | 4.96 | 74,405 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,855 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,673 |
| Random European Capital to Country | 0 | - | 4.98 | 191,588 |
| Random European Country to Capital | 0 | - | 4.93 | 165,493 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,770 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,080 |
| Random African Capital to Country | 0 | - | 4.97 | 100,990 |
| Random African Country to Capital | 0 | - | 4.94 | 71,465 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,294 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,053 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,074 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,484 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,686 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,718 |
| Pixelated United States Map | 0 | - | 4.88 | 94,521 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,064 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,001 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,151 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,043 |
| Which City in Europe? | 0 | - | 4.83 | 107,651 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,502 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,785 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,953 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,622 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,006 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,266 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,652 |
| New England States | 0 | - | 4.51 | 59,851 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,924 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,050 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,953 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,148 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 41,025 |
| U.S. States by Borders | 0 | - | 4.62 | 35,396 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 186,861 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,568 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,179 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,133 |
| North American Sports Cities | 0 | - | 4.83 | 172,734 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,431 |
| Cities in European History #1 | 0 | - | 4.63 | 134,285 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,844 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,395 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,816 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,915 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,590 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,172 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,654 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,167 |
| Name a Valid World City | 0 | - | 4.83 | 71,560 |
| Cities by Former Name | 0 | - | 4.83 | 91,792 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,525 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,801 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,487 |
| World Capitals by Map | 0 | - | 5.00 | 287,831 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,550 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,985 |
| Random Country to Capital | 0 | - | 4.98 | 923,750 |
| Capitals Starting With H | 0 | - | 4.91 | 92,799 |
| Capitals Starting With K | 0 | - | 4.88 | 83,852 |
| Capitals Starting With L | 0 | - | 4.81 | 88,315 |
| Capitals Starting With M | 0 | - | 4.93 | 108,187 |
| Capitals Starting With P | 0 | - | 4.88 | 78,428 |
| Capitals Starting With R | 0 | - | 4.87 | 82,045 |
