| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,440 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,506 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,155 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,727 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,642 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,004 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,063 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,879 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,579 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,299 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,733 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,299 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,247 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,375 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,855 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,022 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,384 |
| US States Quiz | 0 | - | 5.00 | 16,827,274 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,539 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,817 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,207 |
| Random U.S. City to State | 0 | - | 4.45 | 76,041 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,198 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,602 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,603 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,810 |
| Name a City - European Countries | 0 | - | 4.90 | 65,158 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,188 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,731 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,621 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,141 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,181 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,673 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,935 |
| U.S. States By Population | 0 | - | 4.92 | 152,983 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,168 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,304 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,109 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,094 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,444 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,382 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,324 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,843 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,006 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,742 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,646 |
| Boroughs of New York City | 0 | - | 4.47 | 84,468 |
| US States with an Empty Map | 0 | - | 5.00 | 623,140 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,372 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,780 |
| Europe Capital to Country | 0 | - | 4.99 | 249,495 |
| Asia Capital to Country | 0 | - | 4.96 | 126,428 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,531 |
| European Capitals by Map | 0 | - | 4.99 | 138,475 |
| African Capitals by Map | 0 | - | 4.99 | 133,270 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,037 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,853 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,206 |
| European Coastal Capitals | 0 | - | 4.95 | 90,352 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,485 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,054 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,492 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,721 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,031 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,684 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,353 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,854 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,406 |
| ALL California Cities | 0 | - | 4.37 | 42,984 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,443 |
| World Capitals Quiz | 0 | - | 5.00 | 5,061,633 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,383 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,782 |
| Official Cities in the UK | 0 | - | 4.89 | 282,937 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,326 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,976 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,219 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,868 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,957 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,674 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,059 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,058 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,154 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,227 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,110 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,168 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,892 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,487 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,942 |
| Capitals of the Stans | 0 | - | 4.95 | 26,719 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,061 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,556 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,369 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,185 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,800 |
| American TV Show Settings | 0 | - | 4.35 | 30,632 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,904 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,922 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,720 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,023 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,033 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,614 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,218 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,044 |
| US States and State Capitals | 0 | - | 4.99 | 161,167 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,293 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,126 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,436 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,767 |
| States of Mexico | 0 | - | 4.95 | 175,439 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,959 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,351 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,617 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,990 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,026 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,205 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,537 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,428 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,014 |
| South American Cities on the Map | 0 | - | 4.56 | 35,371 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,812 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,511 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,730 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,512 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,901 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,215 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,246 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,910 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,550 |
| Countries by Capital City | 0 | - | 5.00 | 67,869 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,940 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,434 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,543 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,928 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,435 |
| Moved Capital Cities | 0 | - | 4.96 | 74,022 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,534 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,373 |
| Random European Capital to Country | 0 | - | 4.98 | 190,594 |
| Random European Country to Capital | 0 | - | 4.93 | 164,439 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,176 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,572 |
| Random African Capital to Country | 0 | - | 4.97 | 100,471 |
| Random African Country to Capital | 0 | - | 4.94 | 71,076 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,816 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,313 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,488 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,247 |
| Countries Closest to Canada | 0 | - | 4.91 | 197,995 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,261 |
| Pixelated United States Map | 0 | - | 4.87 | 94,055 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,951 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,628 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,888 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,446 |
| Which City in Europe? | 0 | - | 4.83 | 107,137 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,372 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,116 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,504 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,275 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,584 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,092 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,334 |
| New England States | 0 | - | 4.51 | 59,780 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,741 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,979 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,680 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,905 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,860 |
| U.S. States by Borders | 0 | - | 4.61 | 35,253 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 184,960 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,421 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,932 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,684 |
| North American Sports Cities | 0 | - | 4.83 | 171,732 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,226 |
| Cities in European History #1 | 0 | - | 4.63 | 133,772 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,713 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,304 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,695 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,863 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,534 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,100 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,220 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,638 |
| Name a Valid World City | 0 | - | 4.83 | 70,904 |
| Cities by Former Name | 0 | - | 4.83 | 91,409 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,309 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,557 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,848 |
| World Capitals by Map | 0 | - | 5.00 | 285,504 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,134 |
| Random Capital to Country | 0 | - | 4.99 | 2,587,544 |
| Random Country to Capital | 0 | - | 4.98 | 917,878 |
| Capitals Starting With H | 0 | - | 4.90 | 91,928 |
| Capitals Starting With K | 0 | - | 4.85 | 76,904 |
| Capitals Starting With L | 0 | - | 4.81 | 87,347 |
| Capitals Starting With M | 0 | - | 4.93 | 106,896 |
| Capitals Starting With P | 0 | - | 4.88 | 77,623 |
| Capitals Starting With R | 0 | - | 4.87 | 81,370 |
