| Boundary Waters | 0 | - | 4.92 | 88,125 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,895 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,486 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,043,742 |
| Landlocked Countries | 0 | - | 4.99 | 415,190 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,279 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,072 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,317 |
| World Capitals Quiz | 0 | - | 5.00 | 5,041,835 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,227 |
| Himalayan Countries | 0 | - | 4.95 | 135,917 |
| Andean Countries | 0 | - | 4.94 | 83,141 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,464 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,587 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,166 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,814 |
| Danube Countries | 0 | - | 4.97 | 71,248 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,979 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,698 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,835 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,763 |
| European Landlocked Countries | 0 | - | 4.99 | 145,947 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,491 |
| Countries with the Most Species | 0 | - | 4.99 | 95,332 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,619 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,265 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,436 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,059 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,709 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,063 |
| Countries in the Alps | 0 | - | 4.86 | 117,104 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,738 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,563 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,150 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,569 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,366 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,130 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,774 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,886 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,674 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,198 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,267 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,135 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,603 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,867 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,879 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,424 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,786 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,347 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,003 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,182 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,150 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,716 |
| Largest Countries By Category | 0 | - | 4.97 | 157,000 |
| Countries by Countries | 0 | - | 4.96 | 62,426 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,636 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,019 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,919 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,729,471 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,870 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,545 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,705 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,284 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,855 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,741 |
| Longest International Borders | 0 | - | 4.99 | 264,082 |
| Countries with Three Borders | 0 | - | 4.96 | 36,281 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,693 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,785 |
| Demonym of Every Country | 0 | - | 4.91 | 58,783 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,682 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,574,553 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,720 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,683 |
| Island Countries | 0 | - | 4.99 | 708,264 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,511 |
| Northernmost Countries | 0 | - | 4.99 | 358,616 |
| Countries of South America | 0 | - | 5.00 | 917,556 |
| Countries of Oceania | 0 | - | 5.00 | 1,043,810 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,853,769 |
| "Land" Countries | 0 | - | 4.98 | 334,065 |
| Top World Languages | 0 | - | 4.92 | 815,230 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,366,595 |
| Europe Map Quiz | 0 | - | 5.00 | 4,739,058 |
| All Country Flags of the World | 0 | - | 5.00 | 3,616,381 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,217 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,229 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,694 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,671 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,313 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,861 |
| Countries with Megacities | 0 | - | 4.99 | 248,092 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,738 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,323 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,127 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,271 |
| Biggest Cities in the World | 0 | - | 4.91 | 792,433 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,149 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,316 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,915 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,872 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,035 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,878 |
| Countries by Capital City | 0 | - | 5.00 | 67,127 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,558 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,083 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,101 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,556 |
| Moved Capital Cities | 0 | - | 4.96 | 73,755 |
| Countries by Official Language | 0 | - | 4.95 | 193,138 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,646 |
| Countries in their Native Language | 0 | - | 4.99 | 196,973 |
| Independence from Whom | 0 | - | 4.99 | 210,108 |
| Subdivisions by Country | 0 | - | 4.86 | 50,138 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,033 |
| Megadiverse Countries | 0 | - | 4.97 | 134,317 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,132 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,004 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,531 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,901 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,861 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,112 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,308 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,413 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,291 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,781 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,889 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,506 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,610 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,576 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,789 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,116 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,076 |
| World Map Quiz | 0 | - | 4.81 | 63,767 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,559 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,564 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,753 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,497 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,223 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,263 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,095 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,297 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,484 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,070 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,514 |
| Widest Countries East to West | 0 | - | 4.92 | 129,011 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,281 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,467 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,642 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,855 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,813 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,214 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 76,518 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,639 |
| Countries with Double Letters | 0 | - | 4.96 | 93,663 |
| Countries that End in N | 0 | - | 4.94 | 157,128 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,015 |
| Countries with Six Letters | 0 | - | 4.93 | 210,671 |
| Countries with W | 0 | - | 4.97 | 158,412 |
| Countries with Z | 0 | - | 4.98 | 288,220 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,747 |
| Countries That End in U | 0 | - | 4.95 | 119,604 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,856 |
| Countries that End in O | 0 | - | 4.92 | 158,649 |
| Countries that End in R | 0 | - | 4.87 | 118,371 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,930 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,395 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,537 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,640 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,192 |
| Countries That End in Y | 0 | - | 4.90 | 185,282 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,606 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,888 |
| Countries that End in I | 0 | - | 4.94 | 134,537 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,453 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,295 |
| Countries That End in NIA | 0 | - | 4.92 | 109,114 |
| Countries That End in BIA | 0 | - | 4.92 | 147,845 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,245 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,630 |
| Countries That End in RIA | 0 | - | 4.93 | 126,193 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,175 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,691 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,674 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,023 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,573 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,022 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,277 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,790 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,674 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,891 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,335 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,981 |
| Countries that End in L | 0 | - | 4.94 | 156,149 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 212,083 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,019 |
| City to Country Quiz #1 | 0 | - | 4.96 | 155,619 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,443 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,520 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 247,941 |
