| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,020 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,245 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,683,024 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,440 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,405 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,830 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,991 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,726 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,091 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,017 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,878 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,199 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,145 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,122 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,754 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,941 |
| US States Quiz | 0 | - | 5.00 | 16,779,280 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,128 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,747 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,077 |
| Random U.S. City to State | 0 | - | 4.45 | 75,729 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,106 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,444 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,853 |
| Name a City - European Countries | 0 | - | 4.91 | 64,829 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,604 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,022 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,899 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,714 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,968 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,711 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,599 |
| Boroughs of New York City | 0 | - | 4.47 | 84,327 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,355 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,924 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,922 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,366 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,592 |
| U.S. States By Population | 0 | - | 4.92 | 152,788 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,892 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,166 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,955 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,978 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,257 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,321 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,164 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,368 |
| US States with an Empty Map | 0 | - | 5.00 | 621,378 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,330 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,085 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,511 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,315 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,093 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,445 |
| ALL California Cities | 0 | - | 4.37 | 42,933 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,425 |
| Europe Capital to Country | 0 | - | 4.99 | 248,915 |
| Asia Capital to Country | 0 | - | 4.96 | 126,173 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,146 |
| European Capitals by Map | 0 | - | 4.99 | 137,725 |
| African Capitals by Map | 0 | - | 4.99 | 132,827 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,726 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,599 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,973 |
| European Coastal Capitals | 0 | - | 4.95 | 90,106 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,353 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,227 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,782 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,585 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,983 |
| World Capitals Quiz | 0 | - | 5.00 | 5,050,563 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,430 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,904 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,761 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,521 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,996 |
| Official Cities in the UK | 0 | - | 4.89 | 282,146 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,331 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,098 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,216 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,978 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,692 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,588 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,515 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,920 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,820 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,991 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,081 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,087 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,152 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,609 |
| Capitals of the Stans | 0 | - | 4.95 | 26,602 |
| American TV Show Settings | 0 | - | 4.35 | 30,611 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,516 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,639 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,140 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,674 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,577,819 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,640 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,912 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,587 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,193 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,027 |
| US States and State Capitals | 0 | - | 4.99 | 160,219 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,054 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,267 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,191 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,576 |
| States of Mexico | 0 | - | 4.95 | 174,687 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,719 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,799 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,021 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,266 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,084 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,833 |
| South American Cities on the Map | 0 | - | 4.56 | 35,310 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,483 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,710 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,350 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,295 |
| Random European Capital to Country | 0 | - | 4.98 | 189,764 |
| Random European Country to Capital | 0 | - | 4.92 | 147,868 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,669 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,776 |
| Random African Capital to Country | 0 | - | 4.97 | 100,031 |
| Random African Country to Capital | 0 | - | 4.94 | 70,553 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,610 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,323 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,012 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,248 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,177 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,731 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,809 |
| Pixelated United States Map | 0 | - | 4.89 | 93,813 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,317 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,461 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,594 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,051 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,054 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,317 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,170 |
| Countries by Capital City | 0 | - | 5.00 | 67,472 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,742 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,246 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,717 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,909 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,701 |
| Moved Capital Cities | 0 | - | 4.96 | 73,882 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,497 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,801 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,219 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,135 |
| Which City in Europe? | 0 | - | 4.83 | 107,003 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,323 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,821 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,136 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,119 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,412 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,943 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,200 |
| New England States | 0 | - | 4.51 | 59,755 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,633 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,949 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,560 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,822 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,788 |
| U.S. States by Borders | 0 | - | 4.63 | 35,191 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 183,875 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,362 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,820 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,423 |
| North American Sports Cities | 0 | - | 4.83 | 171,379 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,034 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,647 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,502 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,036 |
| Name a Valid World City | 0 | - | 4.83 | 70,607 |
| Cities by Former Name | 0 | - | 4.84 | 91,262 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,212 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,446 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,501 |
| World Capitals by Map | 0 | - | 5.00 | 284,800 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,975 |
| Random Capital to Country | 0 | - | 4.99 | 2,584,222 |
| Random Country to Capital | 0 | - | 4.98 | 914,965 |
| Capitals Starting With H | 0 | - | 4.90 | 91,717 |
| Capitals Starting With K | 0 | - | 4.85 | 75,930 |
| Capitals Starting With L | 0 | - | 4.81 | 87,143 |
| Capitals Starting With M | 0 | - | 4.93 | 106,579 |
| Capitals Starting With P | 0 | - | 4.88 | 77,444 |
| Capitals Starting With R | 0 | - | 4.87 | 81,226 |
| Capitals Starting With S | 0 | - | 4.89 | 85,065 |
| Capitals Starting With T | 0 | - | 4.84 | 75,554 |
| Capitals Starting With W | 0 | - | 4.87 | 90,848 |
| Capitals Starting With A | 0 | - | 4.97 | 126,928 |
| Capitals Starting With B | 0 | - | 4.89 | 117,618 |
| Capitals Starting With D | 0 | - | 4.93 | 95,695 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 17,990 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,219 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,082 |
