| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,135 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,616 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,318 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,416 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,750 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,957 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,900 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,449 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,834 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,715 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,245 |
| Random U.S. City to State | 0 | - | 4.45 | 75,212 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,557 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,006 |
| Name a City - European Countries | 0 | - | 4.92 | 64,287 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,336 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,282 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,103 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,675 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,259 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,621 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,676 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,553 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,773 |
| Europe Capital to Country | 0 | - | 4.99 | 247,337 |
| Asia Capital to Country | 0 | - | 4.96 | 125,644 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,329 |
| European Capitals by Map | 0 | - | 4.99 | 135,999 |
| African Capitals by Map | 0 | - | 4.99 | 132,078 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,991 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,087 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,539 |
| European Coastal Capitals | 0 | - | 4.95 | 89,668 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,149 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,456 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,588 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,385 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,217 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,583 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,758 |
| Which City in Europe? | 0 | - | 4.83 | 106,562 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,414 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,107 |
| World Capitals Quiz | 0 | - | 5.00 | 5,026,835 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,500 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,576 |
| Official Cities in the UK | 0 | - | 4.89 | 280,250 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,604 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,729 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,132 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,589 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,570 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,346 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,037 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,090 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,654 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,382 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,718 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,312 |
| US States Quiz | 0 | - | 5.00 | 16,683,552 |
| Capitals of the Stans | 0 | - | 4.95 | 26,374 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,271 |
| Random European City to Country | 0 | - | 4.69 | 116,240 |
| Random Asian City to Country | 0 | - | 4.56 | 44,379 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,492 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,468 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,885 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,634 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,493 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,114 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,280 |
| Which City in Canada? | 0 | - | 4.82 | 56,620 |
| Boroughs of New York City | 0 | - | 4.47 | 84,067 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,107 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,104 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 37,509 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,714 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,584 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,763 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,617 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,897 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,335 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,554 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,065 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,698 |
| Name the U.S. National Parks | 0 | - | 4.85 | 58,322 |
| States of Mexico | 0 | - | 4.95 | 173,093 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,627 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,155 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,380 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,627 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,650 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,349 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,465 |
| World City Nicknames Quiz | 0 | - | 4.19 | 35,451 |
| South American Cities on the Map | 0 | - | 4.57 | 35,232 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,620 |
| ALL California Cities | 0 | - | 4.36 | 42,802 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,627 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,380 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,835 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,580 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,534 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,499 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,257 |
| Countries by Capital City | 0 | - | 5.00 | 66,493 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,240 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,823 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,038 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,356 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,159 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,714 |
| Moved Capital Cities | 0 | - | 4.96 | 73,530 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,964 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,191 |
| Random European Capital to Country | 0 | - | 4.98 | 189,084 |
| Random European Country to Capital | 0 | - | 4.92 | 147,357 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,298 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,337 |
| Random African Capital to Country | 0 | - | 4.97 | 99,682 |
| Random African Country to Capital | 0 | - | 4.94 | 70,162 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,111 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,652 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,331 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,748 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,267 |
| Pixelated United States Map | 0 | - | 4.89 | 93,371 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,613 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,255 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,304 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,522 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,797 |
| U.S. States By Population | 0 | - | 4.92 | 152,281 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,292 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,793 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,464 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,723 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,796 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,237 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,804 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,779 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,752 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,021 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,117 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,775 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,836 |
| European Cities by Clue | 0 | - | 4.70 | 88,772 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,301 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,002 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,776 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,886 |
| US States with an Empty Map | 0 | - | 5.00 | 618,290 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,577 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,479 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,815 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,485 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,044 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,761 |
| North American Sports Cities | 0 | - | 4.83 | 170,790 |
| American TV Show Settings | 0 | - | 4.35 | 30,584 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,889 |
| Cities in European History #1 | 0 | - | 4.63 | 132,994 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,178 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,548 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,794 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,003 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,650 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,129 |
| Name a City - Asian Countries | 0 | - | 4.41 | 19,360 |
| Cities by Former Name | 0 | - | 4.84 | 90,888 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,647 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,198 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,814 |
| World Capitals by Map | 0 | - | 5.00 | 282,911 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,610 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,628 |
| Random Country to Capital | 0 | - | 4.98 | 910,748 |
| Capitals Starting With H | 0 | - | 4.90 | 89,792 |
| Capitals Starting With K | 0 | - | 4.85 | 75,557 |
| Capitals Starting With M | 0 | - | 4.93 | 105,866 |
| Capitals Starting With P | 0 | - | 4.88 | 77,068 |
| Capitals Starting With R | 0 | - | 4.87 | 80,859 |
| Capitals Starting With S | 0 | - | 4.89 | 84,679 |
| Capitals Starting With T | 0 | - | 4.84 | 75,187 |
| Capitals Starting With W | 0 | - | 4.89 | 90,508 |
| Capitals Starting With A | 0 | - | 4.97 | 126,377 |
| Capitals Starting With B | 0 | - | 4.89 | 117,138 |
| Capitals Starting With D | 0 | - | 4.93 | 95,227 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,557 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,142 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,001 |
| Which City in Africa? | 0 | - | 4.78 | 57,550 |
| Which City in Asia? | 0 | - | 4.51 | 51,085 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,795 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,570 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,964 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,517 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,782 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,271 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,105 |
