| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,898 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,023 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,172 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,347 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,493 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,132 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,184 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,557 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,272 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,795 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,770 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,459 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,002 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,013 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,490 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,702 |
| U.S. States By Population | 0 | - | 4.92 | 152,859 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,995 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,220 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,021 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,027 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,348 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,531 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,588 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,761 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,982 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,722 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,614 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,178 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,204 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,802 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,973 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,675 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,517 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,122 |
| United States Map Quiz | 0 | - | 4.98 | 4,149,804 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,019 |
| North America Cities by Map | 0 | - | 4.41 | 47,726 |
| Name a City - European Countries | 0 | - | 4.91 | 64,988 |
| Africa Capitals Quiz | 0 | - | 4.99 | 734,296 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,741 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,128 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,093 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,158 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,262 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,626 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,421 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,929 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,358 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,023 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,261 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,684,140 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,341 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,491 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,222 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,372 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,018,339 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 638,287 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,472 |
| Canada Provinces and Territories | 0 | - | 5.00 | 340,308 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,247 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,199 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,586 |
| Europe Capital to Country | 0 | - | 4.99 | 249,119 |
| Asia Capital to Country | 0 | - | 4.96 | 126,255 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,305 |
| European Capitals by Map | 0 | - | 4.99 | 138,029 |
| African Capitals by Map | 0 | - | 4.99 | 132,979 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,827 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,700 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,070 |
| European Coastal Capitals | 0 | - | 4.95 | 90,200 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,389 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,510 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,104 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,639 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,327 |
| World Capitals Quiz | 0 | - | 5.00 | 5,054,450 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,222 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,083 |
| New England States | 0 | - | 4.51 | 59,764 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,680 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,959 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,601 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,863 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,816 |
| U.S. States by Borders | 0 | - | 4.61 | 35,222 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 184,384 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,381 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,872 |
| Official Cities in the UK | 0 | - | 4.89 | 282,429 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,434 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,161 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,076 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,770 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,766 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,575 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,972 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,911 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,059 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,703 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,506 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,229 |
| US States Quiz | 0 | - | 5.00 | 16,796,502 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,605 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,261 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,394 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,123 |
| Capitals of the Stans | 0 | - | 4.95 | 26,649 |
| American TV Show Settings | 0 | - | 4.35 | 30,620 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,758 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,407 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,579,406 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,791 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,959 |
| US States and State Capitals | 0 | - | 4.99 | 160,584 |
| Central American Countries | 0 | - | 4.98 | 155,641 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,142 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,593 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,139 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,274 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,635 |
| States of Mexico | 0 | - | 4.95 | 175,012 |
| South American Cities on the Map | 0 | - | 4.56 | 35,332 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,507 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,006 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,389 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,420 |
| Random European Capital to Country | 0 | - | 4.98 | 190,259 |
| Random European Country to Capital | 0 | - | 4.93 | 161,465 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,950 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,058 |
| Random African Capital to Country | 0 | - | 4.97 | 100,248 |
| Random African Country to Capital | 0 | - | 4.94 | 70,838 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,691 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,513 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,113 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,350 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,212 |
| Countries Closest to Canada | 0 | - | 4.91 | 197,836 |
| Pixelated United States Map | 0 | - | 4.89 | 93,895 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,735 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,499 |
| Flyover States | 0 | - | 4.52 | 29,460 |
| U.S. States With Double Letters | 0 | - | 4.54 | 24,031 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 76,011 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,582 |
| Random U.S. City to State | 0 | - | 4.45 | 75,848 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,497 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,697 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,108 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,139 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,696 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,306 |
| Countries by Capital City | 0 | - | 5.00 | 67,622 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,824 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,316 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,025 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,924 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,775 |
| Moved Capital Cities | 0 | - | 4.96 | 73,936 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,557 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,836 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,320 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,237 |
| Which City in Europe? | 0 | - | 4.83 | 107,066 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,282 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,174 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,529 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,488 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,817 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,196 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,649 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,253 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,105 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,498 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 32,921 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,532 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,056 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,303 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,583 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,645 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,635 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,306 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,255 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,826 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,562 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,491 |
| North American Sports Cities | 0 | - | 4.83 | 171,533 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,078 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,104 |
| Cities by Former Name | 0 | - | 4.84 | 91,316 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,254 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,484 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,640 |
| World Capitals by Map | 0 | - | 5.00 | 285,047 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,024 |
| Random Capital to Country | 0 | - | 4.99 | 2,585,423 |
| Random Country to Capital | 0 | - | 4.98 | 916,062 |
| Capitals Starting With H | 0 | - | 4.90 | 91,798 |
