| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,302 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,083 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,583 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,125 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,713 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,940 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,837 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,436 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,823 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,219 |
| Name a City - European Countries | 0 | - | 4.92 | 64,276 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,424 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,880 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,317 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,242 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,253 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,039 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,786 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,667 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,248 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,601 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,656 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,542 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,768 |
| Europe Capital to Country | 0 | - | 4.99 | 247,290 |
| Asia Capital to Country | 0 | - | 4.96 | 125,630 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,301 |
| European Capitals by Map | 0 | - | 4.99 | 135,956 |
| African Capitals by Map | 0 | - | 4.99 | 132,060 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,977 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,076 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,524 |
| European Coastal Capitals | 0 | - | 4.95 | 89,650 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,147 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,417 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,536 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,380 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,588 |
| Random U.S. City to State | 0 | - | 4.45 | 75,196 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,464 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 39,975 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,118 |
| World Capitals Quiz | 0 | - | 5.00 | 5,026,020 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,771 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,566 |
| Official Cities in the UK | 0 | - | 4.89 | 280,165 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,264 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,713 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,521 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,544 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,330 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,013 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,082 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,648 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,369 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,706 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,460 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,884 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,633 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,487 |
| Which City in Canada? | 0 | - | 4.82 | 56,609 |
| Boroughs of New York City | 0 | - | 4.47 | 84,060 |
| US States Quiz | 0 | - | 5.00 | 16,680,140 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,063 |
| Capitals of the Stans | 0 | - | 4.95 | 26,368 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,090 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 37,505 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,676 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,065 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,749 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,692 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,609 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,334 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,527 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,987 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,682 |
| Name the U.S. National Parks | 0 | - | 4.85 | 57,667 |
| States of Mexico | 0 | - | 4.95 | 173,027 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,132 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,366 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,610 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,626 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,316 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,445 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,099 |
| South American Cities on the Map | 0 | - | 4.57 | 35,228 |
| ALL California Cities | 0 | - | 4.36 | 42,798 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,377 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,152 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,954 |
| Random European Capital to Country | 0 | - | 4.98 | 189,069 |
| Random European Country to Capital | 0 | - | 4.92 | 147,338 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,282 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,332 |
| Random African Capital to Country | 0 | - | 4.97 | 99,677 |
| Random African Country to Capital | 0 | - | 4.94 | 70,155 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,893 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,646 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,295 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,724 |
| Canada Country Quiz | 0 | - | 4.54 | 131,626 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,556 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,543 |
| Pixelated United States Map | 0 | - | 4.89 | 93,316 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,586 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,217 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,279 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,490 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,760 |
| U.S. States By Population | 0 | - | 4.92 | 152,257 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,258 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,775 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,450 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,710 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,785 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,586 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,820 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,572 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,519 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,482 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,236 |
| Countries by Capital City | 0 | - | 5.00 | 66,470 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,228 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,810 |
| World Capitals by Proximity | 0 | - | 4.91 | 327,972 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,774 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,345 |
| Moved Capital Cities | 0 | - | 4.96 | 73,515 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,209 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,579 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,745 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,741 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,015 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,117 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,304 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,833 |
| Which City in Europe? | 0 | - | 4.83 | 106,549 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,276 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,106 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,390 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 100,968 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,765 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,871 |
| US States with an Empty Map | 0 | - | 5.00 | 618,135 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,552 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,460 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,797 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.66 | 10,772 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,034 |
| North American Sports Cities | 0 | - | 4.83 | 170,757 |
| American TV Show Settings | 0 | - | 4.35 | 30,581 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,881 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,640 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,582 |
| Name a Valid World City | 0 | - | 4.83 | 70,007 |
| Cities by Former Name | 0 | - | 4.84 | 90,878 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,641 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,188 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,787 |
| World Capitals by Map | 0 | - | 5.00 | 282,839 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,599 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,316 |
| Random Country to Capital | 0 | - | 4.98 | 910,560 |
| Capitals Starting With H | 0 | - | 4.90 | 89,075 |
| Capitals Starting With K | 0 | - | 4.85 | 75,500 |
| Capitals Starting With M | 0 | - | 4.93 | 105,792 |
| Capitals Starting With P | 0 | - | 4.88 | 77,013 |
| Capitals Starting With R | 0 | - | 4.87 | 80,811 |
| Capitals Starting With S | 0 | - | 4.89 | 84,620 |
| Capitals Starting With T | 0 | - | 4.84 | 75,147 |
| Capitals Starting With W | 0 | - | 4.89 | 90,469 |
| Capitals Starting With A | 0 | - | 4.97 | 126,309 |
| Capitals Starting With B | 0 | - | 4.89 | 117,068 |
| Capitals Starting With D | 0 | - | 4.93 | 95,162 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,556 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,140 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,000 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,444 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,784 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,563 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,942 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,511 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,754 |
| Cities in European History #1 | 0 | - | 4.63 | 132,964 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,175 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,545 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,793 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,002 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,425 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,622 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,118 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,097 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,272 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,026 |
| Belize Country Quiz | 0 | - | 4.85 | 20,782 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,031 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,345 |
| Flags of North and South America | 0 | - | 4.99 | 365,615 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,261 |
| O Canada Lyrics | 0 | - | 4.47 | 50,766 |