| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,430 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,486 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,480 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 63,060 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,799,725 |
| Landlocked Countries | 0 | - | 4.99 | 413,294 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 552,036 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,892,407 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,432 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,059 |
| All Countries by Northernmost Point on Land | 0 | - | 4.89 | 124,970 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 61,729 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,759 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,443 |
| Himalayan Countries | 0 | - | 4.95 | 135,226 |
| Andean Countries | 0 | - | 4.94 | 82,765 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,172 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,112 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,841 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,549 |
| Danube Countries | 0 | - | 4.97 | 71,047 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,714 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,503 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,397 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,326 |
| European Landlocked Countries | 0 | - | 4.99 | 145,718 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,144 |
| Countries with the Most Species | 0 | - | 4.99 | 95,226 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,287 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,192 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,357 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,939 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,549 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,921 |
| Countries in the Alps | 0 | - | 4.87 | 116,770 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,526 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,188 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,985 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,389 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,115 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,971 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,531 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,725 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,094 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,021 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,182 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,022 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,418 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,714 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,723 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,997 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,610 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,238 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,734 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,087 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,538 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,574 |
| Largest Countries By Category | 0 | - | 4.97 | 156,702 |
| Countries by Countries | 0 | - | 4.96 | 62,226 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,324 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,952 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,316 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,560 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,074 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,721 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,713,786 |
| Pixelated World Map | 0 | - | 5.00 | 142,379 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,671 |
| Countries of the World in 1444 | 0 | - | 4.98 | 59,482 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 56,843 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,294 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,473 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,009 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,592 |
| Island Countries | 0 | - | 4.99 | 707,481 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,039 |
| Northernmost Countries | 0 | - | 4.99 | 357,540 |
| Countries of South America | 0 | - | 5.00 | 914,149 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,710 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,847,091 |
| "Land" Countries | 0 | - | 4.98 | 333,556 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,995 |
| Countries with Megacities | 0 | - | 4.99 | 246,518 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,913 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,797 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,369 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,754 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,690 |
| Countries by Official Language | 0 | - | 4.95 | 192,703 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,032 |
| Countries in their Native Language | 0 | - | 4.99 | 196,558 |
| Independence from Whom | 0 | - | 4.99 | 209,600 |
| Subdivisions by Country | 0 | - | 4.86 | 50,050 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,681 |
| Megadiverse Countries | 0 | - | 4.97 | 133,866 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,737 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,904 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,407 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,848 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,606 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,973 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,834 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,118 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,202 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,732 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,499 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,398 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,474 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,486 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,645 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,004 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,335 |
| World Map Quiz | 0 | - | 4.81 | 63,449 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,285 |
| Countries by Sports in 60 Seconds | 0 | - | 4.91 | 141,373 |
| Countries by Founding Story | 0 | - | 4.95 | 76,492 |
| Countries by Road Signs | 0 | - | 4.98 | 53,066 |
| Countries That Do Not Border | 0 | - | 4.99 | 59,214 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,271 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,946 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,907 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,640 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,823 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,028 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,238 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,923 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,310 |
| Widest Countries East to West | 0 | - | 4.92 | 128,578 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,210 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,164 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,549 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,667 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,595 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,012 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,045 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,566 |
| Countries With the Tallest People | 0 | - | 4.91 | 94,501 |
| Countries with Double Letters | 0 | - | 4.97 | 93,308 |
| Countries that End in N | 0 | - | 4.94 | 156,371 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,602 |
| Countries with Six Letters | 0 | - | 4.93 | 210,281 |
| Countries with W | 0 | - | 4.97 | 158,178 |
| Countries with Z | 0 | - | 4.98 | 287,788 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,497 |
| Countries That End in U | 0 | - | 4.95 | 119,490 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,473 |
| Countries that End in O | 0 | - | 4.92 | 158,525 |
| Countries that End in R | 0 | - | 4.87 | 118,248 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,844 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,950 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,279 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,455 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,942 |
| Countries That End in Y | 0 | - | 4.90 | 185,182 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,306 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,624 |
| Countries that End in I | 0 | - | 4.94 | 134,375 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,128 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,175 |
| Countries That End in NIA | 0 | - | 4.92 | 108,972 |
| Countries That End in BIA | 0 | - | 4.92 | 147,672 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,023 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,449 |
| Countries That End in RIA | 0 | - | 4.93 | 126,052 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,973 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,117 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,486 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,866 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,322 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,910 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,086 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,612 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,464 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,803 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,088 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,771 |
| Countries that End in L | 0 | - | 4.94 | 155,692 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 210,990 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,977 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,494 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,267 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,405 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 246,693 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,035 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 125,887 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,137 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 223,330 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,483 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,595 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,158 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,408 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,292 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 144,578 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.84 | 76,290 |
| Top World Languages on a Map | 0 | - | 4.93 | 102,209 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.98 | 115,030 |
| 407 Islands on the World Map | 0 | - | 4.99 | 34,673 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,124 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,460 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,467 |
