| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,212 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,802 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,206 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,660 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,345 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,556 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,453 |
| Countries with Glaciers | 0 | - | 4.97 | 104,706 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,599 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,688 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,018 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,279 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,468 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,470 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,141 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,756 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,153 |
| Orthodox Countries | 0 | - | 4.91 | 130,488 |
| Battle to Country | 0 | - | 4.91 | 52,597 |
| Monarchies of Europe | 0 | - | 4.90 | 97,402 |
| Monarchies of Asia | 0 | - | 4.97 | 70,650 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,470 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,539 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,699 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,088 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,489 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,770 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,346 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,821 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,180 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,654 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,236 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,650 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,081 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,605 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,724 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,407 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,425 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,318 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,156 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,070 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,324 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,185 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,528 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,150 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,220 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,243 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,170 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 105,090 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,152 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,971,549 |
| Countries in World War I | 0 | - | 4.88 | 226,727 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,530 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,328 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,652 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,629 |
| Countries with the Most Malaria Deaths | 0 | - | 4.47 | 44,920 |
| Hindu Countries | 0 | - | 4.86 | 49,640 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,392 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,907 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,793 |
| Disney Animals | 0 | - | 4.27 | 238,761 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,040 |
| Boundary Waters | 0 | - | 4.92 | 88,077 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,845 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,375 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,424 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,897 |
| World Capitals Quiz | 0 | - | 5.00 | 5,035,687 |
| Landlocked Countries | 0 | - | 4.99 | 414,257 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 39,864 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,507 |
| Least-Forested Countries | 0 | - | 4.53 | 64,926 |
| Tropical Rainforest Countries | 0 | - | 4.68 | 81,751 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,476 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,125 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,722,107 |
| Countries with More Cows than People | 0 | - | 4.43 | 54,666 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,423 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,487 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,743 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,007 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,003 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 51,997 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,894 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,970 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,775 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,591 |
| Northernmost Countries Without Glaciers | 0 | - | 4.61 | 36,079 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,212 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,073 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,778 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,170 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,789 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,572,512 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,362 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,175 |
| Island Countries | 0 | - | 4.99 | 707,864 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,849 |
| Himalayan Countries | 0 | - | 4.95 | 135,586 |
| Andean Countries | 0 | - | 4.94 | 82,949 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,313 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,353 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,015 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,681 |
| Danube Countries | 0 | - | 4.97 | 71,136 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,842 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,604 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,615 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,527 |
| European Landlocked Countries | 0 | - | 4.99 | 145,835 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,302 |
| Countries with the Most Species | 0 | - | 4.99 | 95,281 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,445 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,221 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,391 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,990 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,627 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,004 |
| Countries in the Alps | 0 | - | 4.86 | 116,926 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,641 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,378 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,065 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,476 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,247 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,059 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,663 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,814 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,524 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,118 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,216 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,080 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,498 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,803 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,795 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,198 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,709 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,289 |
| Catholic Countries | 0 | - | 4.78 | 213,741 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,861 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,625 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,881 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,637 |
| Largest Countries By Category | 0 | - | 4.97 | 156,867 |
| Countries by Countries | 0 | - | 4.96 | 62,323 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,364,118 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,507 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,984 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,458 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,350 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,914 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,182 |
| Communist Countries in History | 0 | - | 4.63 | 492,840 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,008 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,828 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,333 |
| Northernmost Countries | 0 | - | 4.99 | 358,057 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,695 |
| Companies by Country | 0 | - | 4.61 | 118,792 |
| Countries of South America | 0 | - | 5.00 | 915,900 |
| Countries of Oceania | 0 | - | 5.00 | 1,041,939 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,850,572 |
| "Land" Countries | 0 | - | 4.98 | 333,815 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,707 |
| Europe Map Quiz | 0 | - | 5.00 | 4,734,360 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,782 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,513 |
| All Country Flags of the World | 0 | - | 5.00 | 3,608,252 |
| Top World Languages | 0 | - | 4.92 | 813,954 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,604 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,253 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,604 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,677 |
| Longest International Borders | 0 | - | 4.99 | 263,921 |
| Countries with Three Borders | 0 | - | 4.96 | 36,228 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,634 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,721 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,774 |
| Demonym of Every Country | 0 | - | 4.91 | 58,706 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,258 |
| Elements Named for Countries | 0 | - | 4.52 | 24,430 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,408 |
| Biblical Geography | 0 | - | 4.40 | 66,973 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,184 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,595 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,157 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,915 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,589 |
| Countries with Megacities | 0 | - | 4.99 | 247,497 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,432 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,177 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,848 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,105 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,357 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,204 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,892 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,486 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,935 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.54 | 137,719 |
| European Cities with the Biggest Economies | 0 | - | 4.62 | 38,199 |
