| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,687,997 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,084 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,100 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,651 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,677 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,965 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,881 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,737 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,004 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,459 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,184 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,914 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,922 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,023 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,758 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,664 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,299 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,490 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,896 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,056 |
| US States Quiz | 0 | - | 5.00 | 16,853,177 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,057 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,816 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,852 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,278 |
| Random U.S. City to State | 0 | - | 4.45 | 76,205 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,241 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,678 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,727 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,924 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,933 |
| Name a City - European Countries | 0 | - | 4.90 | 65,292 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,341 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,612 |
| Random European Capital to Country | 0 | - | 4.98 | 190,759 |
| Random European Country to Capital | 0 | - | 4.93 | 164,935 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,361 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,681 |
| Random African Capital to Country | 0 | - | 4.97 | 100,635 |
| Random African Country to Capital | 0 | - | 4.94 | 71,154 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,912 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,517 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,960 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,751 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,278 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,305 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,839 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,104 |
| U.S. States By Population | 0 | - | 4.92 | 153,458 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,319 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,382 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,214 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,153 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,540 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,407 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,324 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,139 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,179 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,392 |
| Boroughs of New York City | 0 | - | 4.47 | 84,544 |
| US States with an Empty Map | 0 | - | 5.00 | 623,908 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,535 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,966 |
| Europe Capital to Country | 0 | - | 4.99 | 249,818 |
| Asia Capital to Country | 0 | - | 4.96 | 126,562 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,733 |
| European Capitals by Map | 0 | - | 4.99 | 138,878 |
| African Capitals by Map | 0 | - | 4.99 | 133,570 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,207 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,980 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,327 |
| European Coastal Capitals | 0 | - | 4.95 | 90,480 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,540 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,555 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,751 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,785 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,619 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,231 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,058 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,982 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,882 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,488 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,039 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,448 |
| ALL California Cities | 0 | - | 4.37 | 43,012 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,446 |
| World Capitals Quiz | 0 | - | 5.00 | 5,067,977 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,658 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,901 |
| Official Cities in the UK | 0 | - | 4.89 | 283,376 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,425 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,401 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,374 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,959 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,129 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,778 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,134 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,235 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,232 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,140 |
| Capitals of the Stans | 0 | - | 4.95 | 26,804 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,097 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,570 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,384 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,466 |
| American TV Show Settings | 0 | - | 4.35 | 30,640 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,059 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,322 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,745 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,233 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,111 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,004 |
| US States and State Capitals | 0 | - | 4.99 | 161,785 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,455 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,600 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,619 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,866 |
| States of Mexico | 0 | - | 4.95 | 175,761 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,504 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,364 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,706 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,139 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,159 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,317 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,687 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,653 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,127 |
| South American Cities on the Map | 0 | - | 4.53 | 35,402 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,988 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,518 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,736 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,517 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,098 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,304 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,379 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,099 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,812 |
| Countries by Capital City | 0 | - | 5.00 | 68,085 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,076 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,562 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,969 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,062 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,479 |
| Moved Capital Cities | 0 | - | 4.96 | 74,120 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,492 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,981 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,505 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,635 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,318 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,178 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,464 |
| Pixelated United States Map | 0 | - | 4.87 | 94,163 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,977 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,706 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,951 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,587 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,725 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,213 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,775 |
| Which City in Europe? | 0 | - | 4.83 | 107,307 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,402 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,278 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,815 |
| Countries that Beat Canada | 0 | - | 4.90 | 91,899 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,670 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,135 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,402 |
| New England States | 0 | - | 4.51 | 59,796 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,773 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,999 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,759 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,957 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,895 |
| U.S. States by Borders | 0 | - | 4.61 | 35,281 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 185,408 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,457 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,998 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,822 |
| North American Sports Cities | 0 | - | 4.83 | 172,247 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,286 |
| Cities in European History #1 | 0 | - | 4.62 | 133,898 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,739 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,332 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,729 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,875 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,544 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,113 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,316 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,749 |
| Name a Valid World City | 0 | - | 4.83 | 71,074 |
| Cities by Former Name | 0 | - | 4.83 | 91,501 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,357 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,614 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,047 |
| World Capitals by Map | 0 | - | 5.00 | 285,980 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,229 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,529 |
| Random Country to Capital | 0 | - | 4.98 | 919,449 |
| Capitals Starting With H | 0 | - | 4.91 | 92,432 |
| Capitals Starting With K | 0 | - | 4.88 | 83,148 |
