| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,773 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,433 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,071 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,733 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,948 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,057 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,549 |
| Asia Capital to Country | 0 | - | 4.96 | 126,254 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,827 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,388 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,948 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,606 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,574 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,911 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,477 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,418 |
| Random European Capital to Country | 0 | - | 4.98 | 190,257 |
| Random European Country to Capital | 0 | - | 4.93 | 161,428 |
| Random African Capital to Country | 0 | - | 4.97 | 100,247 |
| Random African Country to Capital | 0 | - | 4.94 | 70,836 |
| North American Sports Cities | 0 | - | 4.83 | 171,530 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,078 |
| Name a City - European Countries | 0 | - | 4.91 | 64,985 |
| Africa Capitals Quiz | 0 | - | 4.99 | 734,283 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,924 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,836 |
| Olympic Host Countries | 0 | - | 4.98 | 199,797 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 306,681 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,199 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,121 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,585 |
| Europe Capital to Country | 0 | - | 4.99 | 249,118 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,304 |
| European Capitals by Map | 0 | - | 4.99 | 138,025 |
| African Capitals by Map | 0 | - | 4.99 | 132,978 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,699 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,070 |
| European Coastal Capitals | 0 | - | 4.95 | 90,199 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,503 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,103 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,638 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 45,992 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,412 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,295 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,786 |
| Official Cities in the UK | 0 | - | 4.89 | 282,427 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,584 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,484 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,075 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,770 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,765 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,972 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,058 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,032 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,868 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,116 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,897 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,475 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,242 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,758 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,405 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,171 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,340 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,794 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,859 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,788 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,959 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,141 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,589 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 120,178 |
| Boundary Waters | 0 | - | 4.92 | 88,290 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,007 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,716 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,884 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,763 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,684,113 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,522 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,005 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,388 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,504 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,214,418 |
| Landlocked Countries | 0 | - | 4.99 | 417,286 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,697 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,639 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,020 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,152 |
| Vietnam War Countries | 0 | - | 4.83 | 93,945 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,204 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,688 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,483 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,798 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,425 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,041 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,113 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,349 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,428 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,439 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,395 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,656 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,131 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,182 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,794 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,388 |
| Cities in European History #1 | 0 | - | 4.63 | 133,613 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,276 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,666 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,847 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,556 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,085 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,073 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,490 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,537 |
| World Capitals Quiz | 0 | - | 5.00 | 5,054,368 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,555 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,320 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,897 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,221 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,023 |
| Which City in Europe? | 0 | - | 4.83 | 107,063 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,226 |
| Himalayan Countries | 0 | - | 4.95 | 136,769 |
| Andean Countries | 0 | - | 4.95 | 83,608 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,869 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,168 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,536 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,128 |
| Danube Countries | 0 | - | 4.97 | 71,488 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,310 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,906 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,304 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,302 |
| European Landlocked Countries | 0 | - | 4.99 | 146,197 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,880 |
| Countries with the Most Species | 0 | - | 4.99 | 102,405 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,011 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,357 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,536 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,205 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,857 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,236 |
| Countries in the Alps | 0 | - | 4.86 | 117,436 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,965 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,048 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,305 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,809 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,906 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,324 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,074 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,045 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,861 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 99,486 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,395 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 117,162 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,398 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,242 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,817 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,790 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,055 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,066 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,842 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,943 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,470 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,311 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,386 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,756 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,878 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,977 |
| Largest Countries By Category | 0 | - | 4.97 | 157,358 |
| Countries by Countries | 0 | - | 4.96 | 62,675 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,961 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,109 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,423 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,307 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,149 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,745,459 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,956 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,985 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,910 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,829 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,902 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,432 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,279 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 25,872 |
| NBA Cities Map Quiz | 0 | - | 4.52 | 251,172 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,185 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,682 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 69,244 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,056 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,345 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,680 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,958 |
| Longest International Borders | 0 | - | 4.99 | 264,411 |
| Countries with Three Borders | 0 | - | 4.96 | 36,378 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,820 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,911 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,770 |
| Demonym of Every Country | 0 | - | 4.91 | 58,986 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,577 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,438 |
| American Cities by Stadium | 0 | - | 4.02 | 36,514 |
