| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,184 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,637 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,332 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,675 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,782 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,982 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,994 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,466 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,845 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,742 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,257 |
| Random U.S. City to State | 0 | - | 4.45 | 75,245 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,728 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,202 |
| Name a City - European Countries | 0 | - | 4.92 | 64,309 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,359 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,306 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,159 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,687 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,287 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,636 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,707 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,566 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,777 |
| Europe Capital to Country | 0 | - | 4.99 | 247,386 |
| Asia Capital to Country | 0 | - | 4.96 | 125,671 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,354 |
| European Capitals by Map | 0 | - | 4.99 | 136,075 |
| African Capitals by Map | 0 | - | 4.99 | 132,091 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,037 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,106 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,555 |
| European Coastal Capitals | 0 | - | 4.95 | 89,688 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,159 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,519 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,637 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,391 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,222 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,587 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,768 |
| Which City in Europe? | 0 | - | 4.83 | 106,576 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,449 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,119 |
| World Capitals Quiz | 0 | - | 5.00 | 5,028,078 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,524 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,579 |
| Official Cities in the UK | 0 | - | 4.89 | 280,318 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,625 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,743 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,148 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,672 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,592 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,362 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,051 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,115 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,663 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,395 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,727 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,314 |
| US States Quiz | 0 | - | 5.00 | 16,687,423 |
| Capitals of the Stans | 0 | - | 4.95 | 26,382 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,273 |
| Random European City to Country | 0 | - | 4.69 | 116,260 |
| Random Asian City to Country | 0 | - | 4.56 | 44,380 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,864 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,481 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,891 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,637 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,500 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,126 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,300 |
| Which City in Canada? | 0 | - | 4.82 | 56,630 |
| Boroughs of New York City | 0 | - | 4.47 | 84,069 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,147 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,130 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 39,445 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,769 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,586 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,770 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,630 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,903 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,336 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,588 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,295 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,708 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,498 |
| States of Mexico | 0 | - | 4.95 | 173,180 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,692 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,186 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,396 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,645 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,688 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,380 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,478 |
| World City Nicknames Quiz | 0 | - | 4.19 | 35,453 |
| South American Cities on the Map | 0 | - | 4.57 | 35,238 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,662 |
| ALL California Cities | 0 | - | 4.36 | 42,804 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,628 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,382 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,863 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,602 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,553 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,518 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,306 |
| Countries by Capital City | 0 | - | 5.00 | 66,529 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,263 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,849 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,133 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,362 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,164 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,731 |
| Moved Capital Cities | 0 | - | 4.96 | 73,544 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,978 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,200 |
| Random European Capital to Country | 0 | - | 4.98 | 189,110 |
| Random European Country to Capital | 0 | - | 4.92 | 147,371 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,306 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,350 |
| Random African Capital to Country | 0 | - | 4.97 | 99,691 |
| Random African Country to Capital | 0 | - | 4.94 | 70,166 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,130 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,697 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,358 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,779 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,281 |
| Pixelated United States Map | 0 | - | 4.89 | 93,406 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,630 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,283 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,328 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,556 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,820 |
| U.S. States By Population | 0 | - | 4.92 | 152,293 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,311 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,807 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,482 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,730 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,819 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,245 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,807 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,786 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,761 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,025 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,119 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,779 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,836 |
| European Cities by Clue | 0 | - | 4.70 | 88,780 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,329 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,017 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,781 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,893 |
| US States with an Empty Map | 0 | - | 5.00 | 618,390 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,612 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,492 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,837 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,490 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,055 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,767 |
| North American Sports Cities | 0 | - | 4.83 | 170,808 |
| American TV Show Settings | 0 | - | 4.35 | 30,584 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,900 |
| Cities in European History #1 | 0 | - | 4.63 | 133,032 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,183 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,552 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,794 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,006 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,670 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,144 |
| Name a City - Asian Countries | 0 | - | 4.41 | 19,367 |
| Cities by Former Name | 0 | - | 4.84 | 90,906 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,658 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,212 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,846 |
| World Capitals by Map | 0 | - | 5.00 | 282,989 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,620 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,988 |
| Random Country to Capital | 0 | - | 4.98 | 910,993 |
| Capitals Starting With H | 0 | - | 4.90 | 90,213 |
| Capitals Starting With K | 0 | - | 4.85 | 75,615 |
| Capitals Starting With L | 0 | - | 4.81 | 86,744 |
| Capitals Starting With M | 0 | - | 4.93 | 105,938 |
| Capitals Starting With P | 0 | - | 4.88 | 77,109 |
| Capitals Starting With R | 0 | - | 4.87 | 80,903 |
| Capitals Starting With S | 0 | - | 4.89 | 84,727 |
| Capitals Starting With T | 0 | - | 4.84 | 75,229 |
| Capitals Starting With W | 0 | - | 4.89 | 90,547 |
| Capitals Starting With A | 0 | - | 4.97 | 126,435 |
| Capitals Starting With B | 0 | - | 4.89 | 117,192 |
| Capitals Starting With D | 0 | - | 4.93 | 95,284 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,558 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,142 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,002 |
| Which City in Africa? | 0 | - | 4.78 | 57,555 |
| Which City in Asia? | 0 | - | 4.51 | 51,090 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,808 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,586 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,972 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,520 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,847 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,284 |
