| German-Speaking Countries | 0 | - | 4.89 | 123,550 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,396 |
| Countries by Official Language | 0 | - | 4.95 | 192,929 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,348 |
| Countries in their Native Language | 0 | - | 4.99 | 196,781 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,947 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,591,640 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 24,691 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,979,556 |
| French-Speaking Countries | 0 | - | 4.85 | 269,022 |
| Spanish to English Country Names | 0 | - | 4.85 | 32,163 |
| Landlocked Countries | 0 | - | 4.99 | 414,355 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 555,072 |
| English Speaking Countries | 0 | - | 4.64 | 356,169 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,722,830 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,305 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,780 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,662 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,889 |
| Himalayan Countries | 0 | - | 4.95 | 135,613 |
| Andean Countries | 0 | - | 4.94 | 82,966 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,329 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,377 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,030 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,706 |
| Danube Countries | 0 | - | 4.97 | 71,152 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,854 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,610 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,634 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,551 |
| European Landlocked Countries | 0 | - | 4.99 | 145,850 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,312 |
| Countries with the Most Species | 0 | - | 4.99 | 95,287 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,465 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,223 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,394 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,998 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,638 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,007 |
| Countries in the Alps | 0 | - | 4.86 | 116,944 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,651 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,397 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,075 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,483 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,264 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,067 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,666 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,820 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,546 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,125 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,222 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,086 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,508 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,807 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,803 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,221 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,716 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,296 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,872 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,674 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,916 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,656 |
| Largest Countries By Category | 0 | - | 4.97 | 156,878 |
| Countries by Countries | 0 | - | 4.96 | 62,331 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,520 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,991 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,351 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,955 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,188 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,839 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,872 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,205 |
| Island Countries | 0 | - | 4.99 | 707,896 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,466 |
| Northernmost Countries | 0 | - | 4.99 | 358,118 |
| Countries of South America | 0 | - | 5.00 | 916,040 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,154 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,850,883 |
| "Land" Countries | 0 | - | 4.98 | 333,845 |
| Top World Languages | 0 | - | 4.92 | 814,062 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,364,392 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,273 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,318 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,623 |
| Countries with Megacities | 0 | - | 4.99 | 247,559 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,457 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,203 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,875 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,129 |
| Independence from Whom | 0 | - | 4.99 | 209,881 |
| Subdivisions by Country | 0 | - | 4.86 | 50,103 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,892 |
| Megadiverse Countries | 0 | - | 4.97 | 133,962 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,952 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,464 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,877 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,754 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,051 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,180 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,215 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,248 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,761 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,735 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,455 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,547 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,534 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,728 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,059 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,875 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,799 |
| World Map Quiz | 0 | - | 4.81 | 63,641 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 135,165 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,104 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,407 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 63,219 |
| Countries by Sports in 60 Seconds | 0 | - | 4.91 | 141,814 |
| Countries by Founding Story | 0 | - | 4.95 | 76,612 |
| Countries by Road Signs | 0 | - | 4.98 | 53,184 |
| Countries That Do Not Border | 0 | - | 4.99 | 59,367 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,533 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,316 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,055 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,984 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,971 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,157 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,373 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,997 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,408 |
| Widest Countries East to West | 0 | - | 4.92 | 128,835 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,241 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,321 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,603 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,749 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,700 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,123 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 72,006 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,610 |
| Countries With the Tallest People | 0 | - | 4.91 | 94,562 |
| Countries with Double Letters | 0 | - | 4.96 | 93,527 |
| Countries that End in N | 0 | - | 4.94 | 157,012 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,836 |
| Countries with Six Letters | 0 | - | 4.93 | 210,510 |
| Countries with W | 0 | - | 4.97 | 158,322 |
| Countries with Z | 0 | - | 4.98 | 288,046 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,639 |
| Countries That End in U | 0 | - | 4.95 | 119,565 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,720 |
| Countries that End in O | 0 | - | 4.92 | 158,599 |
| Countries that End in R | 0 | - | 4.87 | 118,319 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,884 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,235 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,431 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,563 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,104 |
| Countries That End in Y | 0 | - | 4.90 | 185,242 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,486 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,788 |
| Countries that End in I | 0 | - | 4.94 | 134,482 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,316 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,242 |
| Countries That End in NIA | 0 | - | 4.92 | 109,058 |
| Countries That End in BIA | 0 | - | 4.92 | 147,773 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,152 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,562 |
| Countries That End in RIA | 0 | - | 4.93 | 126,131 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,092 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,429 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,583 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,957 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,444 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,966 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,192 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,718 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,580 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,848 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,225 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,891 |
| Countries that End in L | 0 | - | 4.94 | 155,997 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,634 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,004 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,560 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,356 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,470 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 247,602 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,415 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 139,160 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,480 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 223,812 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,796 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,755 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,196 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,438 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,363 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 379,054 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,626 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,044 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,296 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,954 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,804,116 |
| One Border Countries | 0 | - | 4.98 | 464,917 |
