| South America Capitals Quiz | 0 | - | 5.00 | 477,273 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,393 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,762 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,401 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,711 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,961 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,090 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,544 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,889 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,363 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,801 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,055 |
| Name a City - European Countries | 0 | - | 4.92 | 64,397 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,276 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,928 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,456 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,791 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,406 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,455 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,340 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,722 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,362 |
| South American Cities on the Map | 0 | - | 4.57 | 35,244 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,714 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,822 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,599 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,807 |
| Europe Capital to Country | 0 | - | 4.99 | 247,906 |
| Asia Capital to Country | 0 | - | 4.96 | 125,762 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,461 |
| European Capitals by Map | 0 | - | 4.99 | 136,287 |
| African Capitals by Map | 0 | - | 4.99 | 132,188 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,138 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,194 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,616 |
| European Coastal Capitals | 0 | - | 4.95 | 89,762 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,189 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,815 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,812 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,424 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,681 |
| Random U.S. City to State | 0 | - | 4.45 | 75,323 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,205 |
| World Capitals Quiz | 0 | - | 5.00 | 5,031,483 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,602 |
| Official Cities in the UK | 0 | - | 4.89 | 280,547 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,279 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,799 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,884 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,671 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,410 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,126 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,184 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,707 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,455 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,765 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,520 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,914 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,658 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,528 |
| Boroughs of New York City | 0 | - | 4.47 | 84,101 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,160 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,346 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,861 |
| Belize Country Quiz | 0 | - | 4.85 | 20,807 |
| US States Quiz | 0 | - | 5.00 | 16,701,678 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,278 |
| Capitals of the Stans | 0 | - | 4.95 | 26,408 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,203 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 44,272 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,946 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,118 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,837 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,840 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,669 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,664 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,939 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,386 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,998 |
| States of Mexico | 0 | - | 4.95 | 173,351 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,282 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,452 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,736 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,791 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,506 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,539 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,152 |
| ALL California Cities | 0 | - | 4.37 | 42,815 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,388 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,199 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,074 |
| Random European Capital to Country | 0 | - | 4.98 | 189,217 |
| Random European Country to Capital | 0 | - | 4.92 | 147,455 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,402 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,420 |
| Random African Capital to Country | 0 | - | 4.97 | 99,740 |
| Random African Country to Capital | 0 | - | 4.94 | 70,236 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,927 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,473 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,858 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,362 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,326 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,035 |
| Pixelated United States Map | 0 | - | 4.89 | 93,486 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,738 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,367 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,423 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,676 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,918 |
| U.S. States By Population | 0 | - | 4.92 | 152,376 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,407 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,867 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,557 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,766 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,889 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,768 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,954 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,655 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,607 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,630 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,451 |
| Countries by Capital City | 0 | - | 5.00 | 66,658 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,336 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,907 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,413 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,802 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,411 |
| Moved Capital Cities | 0 | - | 4.96 | 73,590 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,269 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,635 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,821 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,800 |
| 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 | 26,124 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,790 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,337 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,849 |
| Which City in Europe? | 0 | - | 4.83 | 106,623 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,422 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,069 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,284 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,584 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,854 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,981 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,646 |
| Antigua and Barbuda Country Quiz | 0 | - | 4.66 | 21,913 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,214 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,314 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,100 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,808 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,939 |
| US States with an Empty Map | 0 | - | 5.00 | 618,861 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,719 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,592 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,950 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,118 |
| North American Sports Cities | 0 | - | 4.83 | 170,910 |
| American TV Show Settings | 0 | - | 4.35 | 30,586 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,918 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,736 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,603 |
| Cities by Former Name | 0 | - | 4.84 | 90,976 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,692 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,245 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,953 |
| World Capitals by Map | 0 | - | 5.00 | 283,214 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,674 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,003 |
| Random Country to Capital | 0 | - | 4.98 | 911,635 |
| Capitals Starting With H | 0 | - | 4.90 | 90,993 |
| Capitals Starting With K | 0 | - | 4.85 | 75,694 |
| Capitals Starting With L | 0 | - | 4.81 | 86,844 |
| Capitals Starting With M | 0 | - | 4.93 | 106,070 |
| Capitals Starting With P | 0 | - | 4.88 | 77,197 |
| Capitals Starting With R | 0 | - | 4.87 | 80,979 |
| Capitals Starting With S | 0 | - | 4.89 | 84,810 |
| Capitals Starting With T | 0 | - | 4.84 | 75,301 |
| Capitals Starting With W | 0 | - | 4.89 | 90,614 |
| Capitals Starting With A | 0 | - | 4.97 | 126,561 |
| Capitals Starting With B | 0 | - | 4.89 | 117,301 |
| Capitals Starting With D | 0 | - | 4.93 | 95,389 |
| 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 |
| Saint Kitts and Nevis Country Quiz | 0 | - | 4.57 | 18,622 |
| Grenada Country Quiz | 0 | - | 4.62 | 18,785 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,021 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,722 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,875 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,663 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,069 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,553 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,794 |
| Cities in European History #1 | 0 | - | 4.63 | 133,130 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,196 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,566 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,806 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,015 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,439 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,634 |
