| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,435 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,085 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,967 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,959 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,086 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,573 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,609 |
| Asia Capital to Country | 0 | - | 4.96 | 127,690 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,111 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,266 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,903 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,270 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,487 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,058 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,766 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,164 |
| Random European Capital to Country | 0 | - | 4.98 | 192,346 |
| Random European Country to Capital | 0 | - | 4.93 | 166,074 |
| Random African Capital to Country | 0 | - | 4.97 | 101,473 |
| Random African Country to Capital | 0 | - | 4.94 | 71,881 |
| North American Sports Cities | 0 | - | 4.82 | 173,290 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,602 |
| Name a City - European Countries | 0 | - | 4.89 | 66,376 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,046 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,203 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,437 |
| Olympic Host Countries | 0 | - | 4.98 | 202,198 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 314,989 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,671 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,776 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,342 |
| Europe Capital to Country | 0 | - | 4.99 | 252,565 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,277 |
| European Capitals by Map | 0 | - | 4.99 | 142,510 |
| African Capitals by Map | 0 | - | 4.99 | 142,599 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,119 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,380 |
| European Coastal Capitals | 0 | - | 4.95 | 91,486 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,261 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,296 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,241 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,581 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,360 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,354 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,481 |
| Official Cities in the UK | 0 | - | 4.89 | 286,842 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,599 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,640 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,363 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,717 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,315 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,660 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,814 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,761 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,807 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,292 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,259 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,089 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,920 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,114 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,791 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,267 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,427 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,788 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,051 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,961 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,682 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,551 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,989 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,711 |
| Boundary Waters | 0 | - | 4.92 | 88,833 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,465 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,837 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,060 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,529 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,968 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,700,404 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,966 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,583 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,934 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,513 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,967,713 |
| Landlocked Countries | 0 | - | 4.99 | 427,228 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 58,135 |
| Countries with Major League Baseball Players | 0 | - | 4.62 | 68,451 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 96,066 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,878 |
| Vietnam War Countries | 0 | - | 4.82 | 94,744 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,561 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 59,634 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,104 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,743 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,707 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,824 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,722 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,578 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,990 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,512 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,163 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,188 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,811 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,623 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,708 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,828 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,085 |
| Cities in European History #1 | 0 | - | 4.63 | 134,728 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,479 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,918 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,965 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,191 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,242 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,805 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,599 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,603 |
| World Capitals Quiz | 0 | - | 5.00 | 5,113,598 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,320 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,563 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,835 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,351 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,377 |
| Which City in Europe? | 0 | - | 4.83 | 107,998 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,902 |
| Himalayan Countries | 0 | - | 4.93 | 140,816 |
| Andean Countries | 0 | - | 4.94 | 85,795 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,912 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,482 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,462 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,687 |
| Danube Countries | 0 | - | 4.97 | 72,552 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,799 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,971 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,436 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,914 |
| European Landlocked Countries | 0 | - | 4.99 | 147,739 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,536 |
| Countries with the Most Species | 0 | - | 4.99 | 103,645 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,634 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,814 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,953 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,923 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,679 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,127 |
| Countries in the Alps | 0 | - | 4.87 | 118,970 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,984 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,130 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,053 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,170 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,126 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,389 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,593 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,991 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,513 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 101,476 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,313 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 119,030 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,953 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,831 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,328 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,673 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,924 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,019 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,144 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,732 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,432 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,838 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,298 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,489 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,614 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,569 |
| Largest Countries By Category | 0 | - | 4.97 | 159,090 |
| Countries by Countries | 0 | - | 4.97 | 63,805 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,440 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,450 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,704 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,532 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,227 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,812,246 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,383 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,929 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,283 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,689 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,580 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,272 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,889 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 26,169 |
| NBA Cities Map Quiz | 0 | - | 4.51 | 254,139 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,577 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,024 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 70,008 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,885 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,656 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,402 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,655 |
| Longest International Borders | 0 | - | 4.99 | 265,998 |
| Countries with Three Borders | 0 | - | 4.96 | 36,828 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,423 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,567 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,464 |
| Demonym of Every Country | 0 | - | 4.90 | 61,633 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,596 |
