| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,768 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,330 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,397 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,409 |
| Belize Country Quiz | 0 | - | 4.85 | 20,808 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,372 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,775 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,974 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,099 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,550 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,893 |
| South American Cities on the Map | 0 | - | 4.57 | 35,246 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,601 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,808 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,809 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,382 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,976 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,803 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,459 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,542 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,381 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,001 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,465 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,067 |
| Pixelated United States Map | 0 | - | 4.89 | 93,498 |
| Name a City - European Countries | 0 | - | 4.92 | 64,418 |
| US States with an Empty Map | 0 | - | 5.00 | 618,902 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,412 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,481 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,726 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,720 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,843 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,687 |
| Random U.S. City to State | 0 | - | 4.45 | 75,331 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,209 |
| Europe Capital to Country | 0 | - | 4.99 | 247,945 |
| Asia Capital to Country | 0 | - | 4.96 | 125,772 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,480 |
| European Capitals by Map | 0 | - | 4.99 | 136,310 |
| African Capitals by Map | 0 | - | 4.99 | 132,192 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,153 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,209 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,629 |
| European Coastal Capitals | 0 | - | 4.95 | 89,780 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,192 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,852 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,863 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,430 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,605 |
| Official Cities in the UK | 0 | - | 4.89 | 280,586 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,199 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,569 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,807 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,193 |
| World Capitals Quiz | 0 | - | 5.00 | 5,032,040 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,923 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,681 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,422 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,141 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,189 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,717 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,462 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,781 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,055 |
| US States Quiz | 0 | - | 5.00 | 16,703,322 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,219 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,279 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 44,328 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,848 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,273 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,877 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,672 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,674 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,521 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,914 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,659 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,528 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,340 |
| Boroughs of New York City | 0 | - | 4.47 | 84,106 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,669 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,968 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 31,911 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,389 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,011 |
| States of Mexico | 0 | - | 4.95 | 173,366 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,978 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,293 |
| Capitals of the Stans | 0 | - | 4.95 | 26,413 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,295 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,743 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,800 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,513 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,324 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,154 |
| ALL California Cities | 0 | - | 4.37 | 42,818 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,388 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,276 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,200 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,085 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,914 |
| Random European Capital to Country | 0 | - | 4.98 | 189,236 |
| Random European Country to Capital | 0 | - | 4.92 | 147,474 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,416 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,429 |
| Random African Capital to Country | 0 | - | 4.97 | 99,743 |
| Random African Country to Capital | 0 | - | 4.94 | 70,239 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,927 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,790 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,340 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,851 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,803 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,491 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,870 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,369 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,335 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,747 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,377 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,427 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,684 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,929 |
| U.S. States By Population | 0 | - | 4.92 | 152,382 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,416 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,872 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,563 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,767 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,893 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,783 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,588 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,963 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,659 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,610 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,644 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,465 |
| Countries by Capital City | 0 | - | 5.00 | 66,673 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,342 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,913 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,449 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,805 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,419 |
| Moved Capital Cities | 0 | - | 4.96 | 73,595 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,275 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,638 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,833 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,805 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,037 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,124 |
| Which City in Europe? | 0 | - | 4.83 | 106,661 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,431 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,072 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,286 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,589 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,857 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,373 |
| Panama Country Quiz | 0 | - | 4.61 | 25,607 |
| El Salvador Country Quiz | 0 | - | 4.62 | 31,476 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,214 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,691 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,110 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,810 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,944 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,731 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,597 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,963 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,588,426 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,795 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,668 |
| American TV Show Settings | 0 | - | 4.35 | 30,586 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,607 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,126 |
| Random Country to Capital | 0 | - | 4.98 | 911,695 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,561 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,151 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,010 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,987 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,168 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,349 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,861 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,314 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,735 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,879 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,668 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,080 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,556 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,124 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,322 |
| North American Sports Cities | 0 | - | 4.83 | 170,919 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,921 |
| Cities in European History #1 | 0 | - | 4.63 | 133,145 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,017 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,440 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,634 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,744 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,471 |
| Cities by Former Name | 0 | - | 4.84 | 90,982 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,694 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,249 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,961 |
| World Capitals by Map | 0 | - | 5.00 | 283,247 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,683 |
| Capitals Starting With H | 0 | - | 4.90 | 91,045 |
