| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,907 |
| African Great Lakes | 0 | - | 4.82 | 65,310 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,826 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,920 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,105 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,185 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,677 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,354 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,462 |
| Capitals by River | 0 | - | 4.55 | 48,243 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,488 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,843 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,482 |
| Rivers of the United States | 0 | - | 4.93 | 65,598 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,484 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,328 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,558 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,095 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,497 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,010 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,866 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,741 |
| South China Sea Countries | 0 | - | 4.78 | 57,516 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,659 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,634 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,795 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,508 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,250 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,053 |
| Countries with More Cows than People | 0 | - | 4.43 | 54,783 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,673 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,320 |
| Asian Physical Geography | 0 | - | 4.61 | 35,386 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,837 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,021 |
| Landforms by Country | 0 | - | 4.52 | 51,922 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,711 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,929 |
| Sea in the Answers | 0 | - | 4.10 | 48,591 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,260 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,361 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,693 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,589 |
| Geological Extremes | 0 | - | 4.34 | 39,952 |
| African Physical Geography | 0 | - | 4.51 | 31,582 |
| European Physical Geography | 0 | - | 4.26 | 33,385 |
| National Animals | 0 | - | 4.24 | 89,180 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,744 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,986,082 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.64 | 75,242 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,638 |
| South American Physical Geography | 0 | - | 4.58 | 18,281 |
| Rivers A-Z | 0 | - | 4.35 | 32,702 |
| Seas of Europe | 0 | - | 4.37 | 83,846 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,049 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,998 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,299 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,965 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,196 |
| Boundary Waters | 0 | - | 4.92 | 88,085 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,854 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,396 |
| World Capitals Quiz | 0 | - | 5.00 | 5,036,905 |
| Capital City Etymologies | 0 | - | 4.77 | 63,048 |
| Landlocked Countries | 0 | - | 4.99 | 414,417 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,723,356 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,708 |
| Animals of Australia | 0 | - | 4.52 | 42,179 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,144 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,194 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,644 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,221 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,092 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,963 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,193 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,942 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,572,876 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,418 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,232 |
| Island Countries | 0 | - | 4.99 | 707,924 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,927 |
| Himalayan Countries | 0 | - | 4.95 | 135,639 |
| Andean Countries | 0 | - | 4.94 | 82,989 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,343 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,394 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,044 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,716 |
| Danube Countries | 0 | - | 4.97 | 71,159 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,869 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,619 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,658 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,561 |
| European Landlocked Countries | 0 | - | 4.99 | 145,861 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,328 |
| Countries with the Most Species | 0 | - | 4.99 | 95,289 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,477 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,228 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,396 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,006 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,644 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,010 |
| Countries in the Alps | 0 | - | 4.86 | 116,954 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,657 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,421 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,081 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,491 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,269 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,073 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,672 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,825 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,563 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,130 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,224 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,089 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,518 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,812 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,816 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,238 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,723 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,302 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,877 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,737 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,933 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,674 |
| Largest Countries By Category | 0 | - | 4.97 | 156,890 |
| Countries by Countries | 0 | - | 4.96 | 62,341 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,364,603 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,528 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,994 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,354 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,843 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,560 |
| Northernmost Countries | 0 | - | 4.99 | 358,154 |
| Countries of South America | 0 | - | 5.00 | 916,154 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,281 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,851,154 |
| "Land" Countries | 0 | - | 4.98 | 333,868 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,804,325 |
| Europe Map Quiz | 0 | - | 5.00 | 4,735,115 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,794 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,516 |
| All Country Flags of the World | 0 | - | 5.00 | 3,609,873 |
| Top World Languages | 0 | - | 4.92 | 814,173 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,611 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,259 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,652 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,687 |
| Longest International Borders | 0 | - | 4.99 | 263,949 |
| Countries with Three Borders | 0 | - | 4.96 | 36,239 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,640 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,735 |
| Demonym of Every Country | 0 | - | 4.91 | 58,723 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,591,910 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,233 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,982 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,810 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,936 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,005 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,917 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,902 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,191 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,611 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 169,300 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,423 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,976 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,202 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,642 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,033 |
| Countries with Megacities | 0 | - | 4.99 | 247,606 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,292 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,037 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,488 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,565 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,212 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,896 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,824 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,139 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,478 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,835 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,904 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,341 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,061 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,637 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,690 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,648 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,067 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,736 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,166 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,269 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,828 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,812 |
| Biggest Cities in the United States | 0 | - | 4.93 | 968,060 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,137 |
| North American Sports Cities | 0 | - | 4.83 | 171,032 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,954 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,981 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,826 |
| Cities by Former Name | 0 | - | 4.84 | 91,053 |
| Africa Capitals Quiz | 0 | - | 4.99 | 731,184 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,754 |
