| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,650 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,542 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,888 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,382 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,753 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,399 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,361 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,067 |
| Random European Capital to Country | 0 | - | 4.98 | 189,210 |
| Random European Country to Capital | 0 | - | 4.92 | 147,450 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,400 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,413 |
| Random African Capital to Country | 0 | - | 4.97 | 99,739 |
| Random African Country to Capital | 0 | - | 4.94 | 70,233 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,954 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,084 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,264 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,662 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,920 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,251 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,912 |
| Name a City - European Countries | 0 | - | 4.92 | 64,392 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,448 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,468 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,855 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,834 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,518 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,913 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,657 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,527 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,077 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,402 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,443 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,720 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,357 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,707 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,819 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,597 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,805 |
| Europe Capital to Country | 0 | - | 4.99 | 247,882 |
| Asia Capital to Country | 0 | - | 4.96 | 125,762 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,455 |
| European Capitals by Map | 0 | - | 4.99 | 136,277 |
| African Capitals by Map | 0 | - | 4.99 | 132,183 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,124 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,192 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,614 |
| European Coastal Capitals | 0 | - | 4.95 | 89,758 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,188 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,806 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,803 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,423 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,924 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,419 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,582 |
| World Capitals Quiz | 0 | - | 5.00 | 5,031,327 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,600 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,959 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,001 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,854 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,990 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,829 |
| Official Cities in the UK | 0 | - | 4.89 | 280,544 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,680 |
| Random U.S. City to State | 0 | - | 4.45 | 75,322 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,796 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,202 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,871 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,669 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,409 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,124 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,180 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,704 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,454 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,765 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,798 |
| 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 | 54,335 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,847 |
| US States Quiz | 0 | - | 5.00 | 16,701,064 |
| Capitals of the Stans | 0 | - | 4.95 | 26,408 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,279 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,060 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,192 |
| Boroughs of New York City | 0 | - | 4.47 | 84,101 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,273 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,201 |
| Cities in U.S. History #1 | 0 | - | 4.30 | 44,139 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,941 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,838 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,665 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,561 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,149 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,009 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,339 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,795 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,969 |
| States of Mexico | 0 | - | 4.95 | 173,344 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,006 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,274 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,448 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,732 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,786 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,503 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,536 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,149 |
| South American Cities on the Map | 0 | - | 4.57 | 35,243 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,762 |
| ALL California Cities | 0 | - | 4.36 | 42,814 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,388 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,951 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,655 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,605 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,625 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,447 |
| Countries by Capital City | 0 | - | 5.00 | 66,650 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,334 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,906 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,403 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,409 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,197 |
| Moved Capital Cities | 0 | - | 4.96 | 73,587 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,190 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,774 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,477 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,360 |
| United States Country Quiz | 0 | - | 4.43 | 100,582 |
| Pixelated United States Map | 0 | - | 4.89 | 93,481 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,736 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,364 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,419 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,671 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,908 |
| U.S. States By Population | 0 | - | 4.92 | 152,371 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,405 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,867 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,554 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,765 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,883 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,800 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,269 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,634 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,819 |
| Which City in Europe? | 0 | - | 4.83 | 106,620 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,868 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,095 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,806 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,935 |
| US States with an Empty Map | 0 | - | 5.00 | 618,840 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,718 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,586 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,947 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,116 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,793 |
| North American Sports Cities | 0 | - | 4.83 | 170,906 |
| American TV Show Settings | 0 | - | 4.35 | 30,586 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,916 |
| Cities in European History #1 | 0 | - | 4.63 | 133,127 |
| 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 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,733 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,185 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,603 |
| Cities by Former Name | 0 | - | 4.84 | 90,972 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,692 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,243 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,948 |
| World Capitals by Map | 0 | - | 5.00 | 283,209 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,671 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,962 |
| Random Country to Capital | 0 | - | 4.98 | 911,605 |
| Capitals Starting With H | 0 | - | 4.90 | 90,972 |
| Capitals Starting With K | 0 | - | 4.85 | 75,693 |
| Capitals Starting With L | 0 | - | 4.81 | 86,840 |
| Capitals Starting With M | 0 | - | 4.93 | 106,065 |
| Capitals Starting With P | 0 | - | 4.88 | 77,195 |
| Capitals Starting With R | 0 | - | 4.87 | 80,979 |
| Capitals Starting With S | 0 | - | 4.89 | 84,808 |
| Capitals Starting With T | 0 | - | 4.84 | 75,295 |
| Capitals Starting With W | 0 | - | 4.89 | 90,613 |
| Capitals Starting With A | 0 | - | 4.97 | 126,559 |
| Capitals Starting With B | 0 | - | 4.89 | 117,297 |
| Capitals Starting With D | 0 | - | 4.93 | 95,383 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 17,965 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,710 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,868 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,659 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,066 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,552 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,552 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,312 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,199 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,131 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,438 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,633 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,687 |
