| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,503 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,551 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,558 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,769 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,671 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,025 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,073 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,902 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,632 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,438 |
| Random U.S. City to State | 0 | - | 4.45 | 76,124 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,337 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,819 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,450 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,259 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,391 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,866 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,035 |
| US States Quiz | 0 | - | 5.00 | 16,833,073 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,605 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,829 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,726 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,078 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,418 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,226 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,618 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,838 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,497 |
| Name a City - European Countries | 0 | - | 4.90 | 65,198 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,926 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,033 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,207 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,851 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,009 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,744 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,647 |
| Boroughs of New York City | 0 | - | 4.47 | 84,491 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,643 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,171 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,210 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,702 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,972 |
| U.S. States By Population | 0 | - | 4.92 | 153,010 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,194 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,318 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,136 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,109 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,469 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,384 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,330 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,648 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,903 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,477 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,836 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,386 |
| Which City in Europe? | 0 | - | 4.83 | 107,173 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,548 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,295 |
| US States with an Empty Map | 0 | - | 5.00 | 623,301 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,736 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,389 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,910 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,416 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,828 |
| ALL California Cities | 0 | - | 4.37 | 42,988 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,445 |
| Europe Capital to Country | 0 | - | 4.99 | 249,577 |
| Asia Capital to Country | 0 | - | 4.96 | 126,474 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,587 |
| European Capitals by Map | 0 | - | 4.99 | 138,588 |
| African Capitals by Map | 0 | - | 4.99 | 133,368 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,074 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,880 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,240 |
| European Coastal Capitals | 0 | - | 4.95 | 90,393 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,503 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,184 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,563 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,742 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,035 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,903 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,959 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,731 |
| World Capitals Quiz | 0 | - | 5.00 | 5,063,303 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,896 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,943 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,805 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,066 |
| Official Cities in the UK | 0 | - | 4.89 | 283,074 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,374 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,363 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,097 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,246 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,892 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,996 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,696 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,080 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,095 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,170 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,266 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,111 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,170 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,108 |
| Which City in Canada? | 0 | - | 4.82 | 56,944 |
| Capitals of the Stans | 0 | - | 4.95 | 26,745 |
| American TV Show Settings | 0 | - | 4.35 | 30,634 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,560 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,939 |
| Random European City to Country | 0 | - | 4.69 | 117,465 |
| Random Asian City to Country | 0 | - | 4.56 | 44,458 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,039 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,778 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,051 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,614 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,222 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,049 |
| US States and State Capitals | 0 | - | 4.99 | 161,299 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,331 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,234 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,483 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,789 |
| States of Mexico | 0 | - | 4.95 | 175,518 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,640 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,031 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,060 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,227 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,578 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,483 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,038 |
| South American Cities on the Map | 0 | - | 4.56 | 35,387 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,513 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,514 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,445 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,076 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,550 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,868 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,560 |
| Random European Capital to Country | 0 | - | 4.98 | 190,635 |
| Random European Country to Capital | 0 | - | 4.93 | 164,626 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,222 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,602 |
| Random African Capital to Country | 0 | - | 4.97 | 100,487 |
| Random African Country to Capital | 0 | - | 4.94 | 71,097 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,825 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,353 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,525 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,259 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,028 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,335 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,084 |
| Pixelated United States Map | 0 | - | 4.87 | 94,080 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,357 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,920 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,847 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,963 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,242 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,269 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,970 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,634 |
| Countries by Capital City | 0 | - | 5.00 | 67,920 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,971 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,463 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,650 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,961 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,968 |
| Moved Capital Cities | 0 | - | 4.96 | 74,058 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,407 |
| European Cities by Clue | 0 | - | 4.70 | 89,001 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,379 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,275 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,150 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,600 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,108 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,339 |
| New England States | 0 | - | 4.51 | 59,783 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,748 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,983 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,695 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,919 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,874 |
| U.S. States by Borders | 0 | - | 4.61 | 35,259 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 185,095 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,427 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,947 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,724 |
| North American Sports Cities | 0 | - | 4.83 | 171,752 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,247 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,717 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,534 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,251 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,670 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,389 |
| Cities by Former Name | 0 | - | 4.83 | 91,424 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,328 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,577 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,892 |
| World Capitals by Map | 0 | - | 5.00 | 285,617 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,157 |
| Random Capital to Country | 0 | - | 4.99 | 2,588,071 |
| Random Country to Capital | 0 | - | 4.98 | 918,370 |
