| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,381,992 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,988 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,917 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,050 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,832,221 |
| Landlocked Countries | 0 | - | 4.99 | 421,312 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 574,926 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,529,909 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,100 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,540 |
| All Countries by Northernmost Point on Land | 0 | - | 4.90 | 126,533 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 62,459 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,125 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,123 |
| Himalayan Countries | 0 | - | 4.95 | 138,422 |
| Andean Countries | 0 | - | 4.93 | 84,435 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,647 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,601 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,276 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,676 |
| Danube Countries | 0 | - | 4.97 | 71,929 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,915 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,344 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,159 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,619 |
| European Landlocked Countries | 0 | - | 4.99 | 147,058 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,506 |
| Countries with the Most Species | 0 | - | 4.99 | 103,167 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,662 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,546 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,689 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,494 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,173 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,585 |
| Countries in the Alps | 0 | - | 4.87 | 118,092 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,623 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,911 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,602 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,529 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,416 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,893 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,578 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,434 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,136 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,781 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,613 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,470 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,154 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,409 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,447 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,734 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,243 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 61,596 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,943 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,590 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,906 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,165 |
| Largest Countries By Category | 0 | - | 4.97 | 158,086 |
| Countries by Countries | 0 | - | 4.96 | 63,118 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,594 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,253 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,541 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,375 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,914 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,602 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,773,745 |
| Pixelated World Map | 0 | - | 5.00 | 143,522 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,904 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,348 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,515 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,256 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,030 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,321 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,793 |
| Island Countries | 0 | - | 4.99 | 710,789 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,987 |
| Northernmost Countries | 0 | - | 4.99 | 361,655 |
| Countries of South America | 0 | - | 5.00 | 926,318 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,585 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,875,036 |
| "Land" Countries | 0 | - | 4.98 | 337,126 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,723 |
| Countries with Megacities | 0 | - | 4.99 | 264,149 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,568 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,384 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,830 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,442 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,330 |
| Countries by Official Language | 0 | - | 4.95 | 195,113 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,185 |
| Countries in their Native Language | 0 | - | 4.99 | 198,897 |
| Independence from Whom | 0 | - | 4.99 | 211,933 |
| Subdivisions by Country | 0 | - | 4.86 | 50,398 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,613 |
| Megadiverse Countries | 0 | - | 4.96 | 134,955 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,963 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,308 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,912 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,085 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,023 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,556 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,368 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,991 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,608 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,060 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,539 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,838 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,157 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,926 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,311 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,459 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,148 |
| World Map Quiz | 0 | - | 4.81 | 65,002 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,282 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 145,744 |
| Countries by Founding Story | 0 | - | 4.95 | 77,304 |
| Countries by Road Signs | 0 | - | 4.98 | 53,940 |
| Countries That Do Not Border | 0 | - | 4.99 | 60,375 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,962 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,198 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,919 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,029 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,817 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,947 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,247 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,401 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,520 |
| Widest Countries East to West | 0 | - | 4.92 | 129,583 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,435 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,308 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,097 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,720 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,517 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,790 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,344 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,786 |
| Countries With the Tallest People | 0 | - | 4.93 | 94,949 |
| Countries with Double Letters | 0 | - | 4.96 | 96,053 |
| Countries that End in N | 0 | - | 4.95 | 170,945 |
| Countries with Five Letters | 0 | - | 4.96 | 282,126 |
| Countries with Six Letters | 0 | - | 4.94 | 213,370 |
| Countries with W | 0 | - | 4.97 | 160,188 |
| Countries with Z | 0 | - | 4.98 | 291,247 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,551 |
| Countries That End in U | 0 | - | 4.95 | 120,770 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,319 |
| Countries that End in O | 0 | - | 4.92 | 159,457 |
| Countries that End in R | 0 | - | 4.87 | 118,922 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,683 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,928 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,597 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,401 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,317 |
| Countries That End in Y | 0 | - | 4.91 | 185,829 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,796 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,761 |
| Countries that End in I | 0 | - | 4.94 | 135,044 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,970 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,768 |
| Countries That End in NIA | 0 | - | 4.92 | 109,718 |
| Countries That End in BIA | 0 | - | 4.93 | 149,123 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,018 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,353 |
| Countries That End in RIA | 0 | - | 4.93 | 126,761 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,940 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,397 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,582 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,976 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,553 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,530 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,945 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,425 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,453 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,376 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,190 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,886 |
| Countries that End in L | 0 | - | 4.94 | 156,761 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,362 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,242 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,969 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,899 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,936 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,613 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,561 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,916 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,446 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,325 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,809 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,060 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,685 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,829 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 147,415 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.85 | 77,208 |
| Top World Languages on a Map | 0 | - | 4.94 | 103,182 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 116,734 |
| 407 Islands on the World Map | 0 | - | 4.99 | 35,264 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,793 |
| Smallest Countries with at Least Two Borders | 0 | - | 4.97 | 42,744 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,085 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,706 |
