| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,720 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,171 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,333 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,385 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,332 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,374 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,912 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,061 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,521 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,877 |
| South American Cities on the Map | 0 | - | 4.57 | 35,239 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,590 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,793 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,786 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,333 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,902 |
| Belize Country Quiz | 0 | - | 4.85 | 20,802 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,772 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,435 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,518 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,087 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,752 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,428 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,897 |
| Pixelated United States Map | 0 | - | 4.89 | 93,460 |
| Name a City - European Countries | 0 | - | 4.92 | 64,372 |
| US States with an Empty Map | 0 | - | 5.00 | 618,700 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,378 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,353 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,714 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,684 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,785 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,659 |
| Random U.S. City to State | 0 | - | 4.45 | 75,310 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,183 |
| Europe Capital to Country | 0 | - | 4.99 | 247,660 |
| Asia Capital to Country | 0 | - | 4.96 | 125,731 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,432 |
| European Capitals by Map | 0 | - | 4.99 | 136,221 |
| African Capitals by Map | 0 | - | 4.99 | 132,133 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,115 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,165 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,591 |
| European Coastal Capitals | 0 | - | 4.95 | 89,730 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,176 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,733 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,750 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,412 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,596 |
| Official Cities in the UK | 0 | - | 4.89 | 280,469 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,191 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,559 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,801 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,181 |
| World Capitals Quiz | 0 | - | 5.00 | 5,030,404 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,805 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,654 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,400 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,092 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,166 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,695 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,430 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,760 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,358 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,050 |
| US States Quiz | 0 | - | 5.00 | 16,697,227 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,184 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,276 |
| Cities in U.S. History #1 | 0 | - | 4.30 | 43,327 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,804 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,156 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,816 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,647 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,658 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,513 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,905 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,654 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,521 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,338 |
| Boroughs of New York City | 0 | - | 4.47 | 84,090 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,644 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,847 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 31,900 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,377 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,859 |
| States of Mexico | 0 | - | 4.95 | 173,308 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,939 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,230 |
| Capitals of the Stans | 0 | - | 4.95 | 26,402 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,242 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,708 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,753 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,469 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,320 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,140 |
| ALL California Cities | 0 | - | 4.36 | 42,812 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,387 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,712 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,190 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,025 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,897 |
| Random European Capital to Country | 0 | - | 4.98 | 189,183 |
| Random European Country to Capital | 0 | - | 4.92 | 147,432 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,389 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,383 |
| Random African Capital to Country | 0 | - | 4.97 | 99,726 |
| Random African Country to Capital | 0 | - | 4.94 | 70,227 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,920 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,787 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,328 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,840 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,760 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,445 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,832 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,339 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,309 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,710 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,337 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,387 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,637 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,883 |
| U.S. States By Population | 0 | - | 4.92 | 152,336 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,379 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,849 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,538 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,756 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,870 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,735 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,583 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,917 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,640 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,591 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,594 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,404 |
| Countries by Capital City | 0 | - | 5.00 | 66,609 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,311 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,896 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,313 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,795 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,403 |
| Moved Capital Cities | 0 | - | 4.96 | 73,575 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,258 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,615 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,807 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,789 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,033 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,123 |
| Which City in Europe? | 0 | - | 4.83 | 106,608 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,396 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,060 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,277 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,544 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,843 |
| Panama Country Quiz | 0 | - | 4.61 | 25,603 |
| El Salvador Country Quiz | 0 | - | 4.62 | 31,468 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,202 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,678 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,078 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,800 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,924 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,689 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,558 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,913 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,587,033 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,785 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,546 |
| American TV Show Settings | 0 | - | 4.35 | 30,586 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,599 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,696 |
| Random Country to Capital | 0 | - | 4.98 | 911,460 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,559 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,145 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,008 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,966 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,156 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,338 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,858 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,313 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,652 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,855 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,641 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,034 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,539 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,100 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,150 |
| North American Sports Cities | 0 | - | 4.83 | 170,879 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,911 |
| Cities in European History #1 | 0 | - | 4.63 | 133,101 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,014 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,436 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,632 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,713 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,470 |
| Cities by Former Name | 0 | - | 4.84 | 90,955 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,678 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,229 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,916 |
| World Capitals by Map | 0 | - | 5.00 | 283,143 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,652 |
| Capitals Starting With H | 0 | - | 4.90 | 90,811 |
