| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,168 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,632 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,327 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,587 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,766 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,976 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,955 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,458 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,840 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,732 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,252 |
| Random U.S. City to State | 0 | - | 4.45 | 75,242 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,670 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,126 |
| Name a City - European Countries | 0 | - | 4.92 | 64,299 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,351 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,300 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,141 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,684 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,278 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,633 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,695 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,560 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,777 |
| Europe Capital to Country | 0 | - | 4.99 | 247,369 |
| Asia Capital to Country | 0 | - | 4.96 | 125,666 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,345 |
| European Capitals by Map | 0 | - | 4.99 | 136,052 |
| African Capitals by Map | 0 | - | 4.99 | 132,090 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,012 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,095 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,549 |
| European Coastal Capitals | 0 | - | 4.95 | 89,679 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,159 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,498 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,622 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,389 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,220 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,587 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,763 |
| Which City in Europe? | 0 | - | 4.83 | 106,571 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,438 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,113 |
| World Capitals Quiz | 0 | - | 5.00 | 5,027,697 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,515 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,578 |
| Official Cities in the UK | 0 | - | 4.89 | 280,286 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,623 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,737 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,142 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,638 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,576 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,355 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,042 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,108 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,660 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,391 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,723 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,313 |
| US States Quiz | 0 | - | 5.00 | 16,685,927 |
| Capitals of the Stans | 0 | - | 4.95 | 26,380 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,271 |
| Random European City to Country | 0 | - | 4.69 | 116,253 |
| Random Asian City to Country | 0 | - | 4.56 | 44,380 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,734 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,480 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,888 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,636 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,496 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,122 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,288 |
| Which City in Canada? | 0 | - | 4.82 | 56,628 |
| Boroughs of New York City | 0 | - | 4.47 | 84,068 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,139 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,120 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 38,571 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,747 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,586 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,768 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,624 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,900 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,336 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,576 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,191 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,705 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,451 |
| States of Mexico | 0 | - | 4.95 | 173,169 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,681 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,178 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,392 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,640 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,683 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,374 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,474 |
| World City Nicknames Quiz | 0 | - | 4.19 | 35,453 |
| South American Cities on the Map | 0 | - | 4.57 | 35,237 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,651 |
| 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 | 12,381 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,858 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,595 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,549 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,509 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,279 |
| Countries by Capital City | 0 | - | 5.00 | 66,518 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,256 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,840 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,101 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,361 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,163 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,722 |
| Moved Capital Cities | 0 | - | 4.96 | 73,540 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,973 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,200 |
| Random European Capital to Country | 0 | - | 4.98 | 189,102 |
| Random European Country to Capital | 0 | - | 4.92 | 147,367 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,300 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,343 |
| Random African Capital to Country | 0 | - | 4.97 | 99,687 |
| Random African Country to Capital | 0 | - | 4.94 | 70,164 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,125 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,683 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,348 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,771 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,279 |
| Pixelated United States Map | 0 | - | 4.89 | 93,398 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,625 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,275 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,323 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,550 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,816 |
| U.S. States By Population | 0 | - | 4.92 | 152,291 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,306 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,798 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,476 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,727 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,815 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,243 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,805 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,783 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,760 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,024 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,118 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,778 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,836 |
| European Cities by Clue | 0 | - | 4.70 | 88,779 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,316 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,013 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,780 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,889 |
| US States with an Empty Map | 0 | - | 5.00 | 618,349 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,597 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,489 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,828 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,489 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,051 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,766 |
| North American Sports Cities | 0 | - | 4.83 | 170,799 |
| American TV Show Settings | 0 | - | 4.35 | 30,584 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,895 |
| Cities in European History #1 | 0 | - | 4.63 | 133,016 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,182 |
| 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 | 51,005 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,666 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,139 |
| Name a City - Asian Countries | 0 | - | 4.41 | 19,367 |
| Cities by Former Name | 0 | - | 4.84 | 90,896 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,655 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,207 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,833 |
| World Capitals by Map | 0 | - | 5.00 | 282,963 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,614 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,907 |
| Random Country to Capital | 0 | - | 4.98 | 910,875 |
| Capitals Starting With H | 0 | - | 4.90 | 90,104 |
| Capitals Starting With K | 0 | - | 4.85 | 75,599 |
| Capitals Starting With L | 0 | - | 4.81 | 86,730 |
| Capitals Starting With M | 0 | - | 4.93 | 105,921 |
| Capitals Starting With P | 0 | - | 4.88 | 77,100 |
| Capitals Starting With R | 0 | - | 4.87 | 80,894 |
| Capitals Starting With S | 0 | - | 4.89 | 84,715 |
| Capitals Starting With T | 0 | - | 4.84 | 75,219 |
| Capitals Starting With W | 0 | - | 4.89 | 90,537 |
| Capitals Starting With A | 0 | - | 4.97 | 126,422 |
| Capitals Starting With B | 0 | - | 4.89 | 117,180 |
| Capitals Starting With D | 0 | - | 4.93 | 95,269 |
| 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 | 57,554 |
| Which City in Asia? | 0 | - | 4.51 | 51,087 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,802 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,577 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,969 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,519 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,818 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,281 |
