| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,982 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 30,175 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,706 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,969 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,485 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,349 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,112 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,989 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,172 |
| Random European Capital to Country | 0 | - | 4.98 | 192,373 |
| Random European Country to Capital | 0 | - | 4.93 | 166,102 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,100 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,604 |
| Random African Capital to Country | 0 | - | 4.97 | 101,515 |
| Random African Country to Capital | 0 | - | 4.94 | 71,903 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 194,976 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,103 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,828 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,509 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,267 |
| North American Sports Cities | 0 | - | 4.82 | 173,319 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,610 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,701 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,844 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,381 |
| Name a City - European Countries | 0 | - | 4.89 | 66,405 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,225 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,106 |
| Europe Capital to Country | 0 | - | 4.99 | 252,635 |
| Asia Capital to Country | 0 | - | 4.96 | 127,706 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,320 |
| European Capitals by Map | 0 | - | 4.99 | 142,604 |
| African Capitals by Map | 0 | - | 4.99 | 142,633 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,714 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,136 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,155 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,416 |
| European Coastal Capitals | 0 | - | 4.95 | 91,516 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,278 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,393 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,722 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,261 |
| Olympic Host Countries | 0 | - | 4.98 | 202,269 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 315,230 |
| Vietnam War Countries | 0 | - | 4.82 | 94,765 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,704 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,395 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,147 |
| Official Cities in the UK | 0 | - | 4.89 | 286,939 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,142 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,910 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,314 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,467 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,283 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,816 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,698 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,378 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,736 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,354 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,508 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,677 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,073 |
| Name a Valid European Capital | 0 | - | 4.95 | 154,013 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,706 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,832 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,578 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,084 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,775 |
| Capitals of the Stans | 0 | - | 4.95 | 27,239 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,842 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,714 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,620 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,448 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,700,701 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,225 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,942 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,636 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,614 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,210 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,950 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,335 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,446 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,578 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,850 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,396 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,383 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,287 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,528 |
| Which City in Europe? | 0 | - | 4.83 | 108,014 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,418 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,767 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,612 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,315 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,710 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,933 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,470 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,470 |
| Biggest Cities in History | 0 | - | 4.52 | 90,717 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,223 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,238 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,936 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 65,138 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,740 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,999 |
| Cities in European History #1 | 0 | - | 4.63 | 134,755 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,481 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,924 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,968 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,245 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,823 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,626 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 90,007 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,871 |
| US States and State Capitals | 0 | - | 4.99 | 166,054 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,903 |
| Which City in Canada? | 0 | - | 4.83 | 57,417 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,984,144 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 58,144 |
| Countries with Major League Baseball Players | 0 | - | 4.62 | 68,470 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 101,525 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 96,080 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,892 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 119,075 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,585 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,568 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 59,693 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,762 |
| Countries Where Cricket is the Most Popular Sport | 0 | - | 4.77 | 67,513 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 128,501 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 119,724 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 218,252 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,840 |
| NBA Cities Map Quiz | 0 | - | 4.51 | 254,197 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 70,019 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,735 |
| U.S. Senators by State | 0 | - | 4.44 | 40,146 |
| Boundary Waters | 0 | - | 4.92 | 88,851 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,472 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,000 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,535 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,865 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,592 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,080 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,100 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,355 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,050 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,193 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,372 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,967 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,215 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,791 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,201 |
| American Cities by Stadium | 0 | - | 4.02 | 36,602 |
| City by Football Clubs | 0 | - | 4.38 | 138,522 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,073 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,664 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,727 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,716 |
| South American Cities on the Map | 0 | - | 4.52 | 35,585 |
| North America Cities by Map | 0 | - | 4.41 | 47,978 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,815 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,519 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 152,003 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,107 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,294 |
| Random U.S. City to State | 0 | - | 4.45 | 77,043 |
| Random European City to Country | 0 | - | 4.69 | 118,558 |
| Random Asian City to Country | 0 | - | 4.56 | 44,641 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,672 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 49,121 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,184 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,350 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,220 |
| World Capitals Quiz | 0 | - | 5.00 | 5,115,089 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,703 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,517 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,300 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,062 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,546 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,643 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,262 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,470 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,113 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,673 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,201 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,916 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,824 |
| European Cities by Clue | 0 | - | 4.70 | 89,220 |
| Which City in Africa? | 0 | - | 4.77 | 58,043 |
| Which City in Asia? | 0 | - | 4.52 | 51,624 |
| Boroughs of New York City | 0 | - | 4.47 | 85,429 |
| Boroughs of London | 0 | - | 4.63 | 88,711 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,154 |
| London Geography | 0 | - | 4.47 | 59,924 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,094 |
| Landlocked Countries | 0 | - | 4.99 | 427,425 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,470 |
| Island Countries | 0 | - | 4.99 | 713,073 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,998 |
| Himalayan Countries | 0 | - | 4.93 | 140,899 |
