| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,381,436 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,920 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,781 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,025 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,831,387 |
| Landlocked Countries | 0 | - | 4.99 | 421,140 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 574,251 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,513,225 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,055 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,480 |
| All Countries by Northernmost Point on Land | 0 | - | 4.90 | 126,506 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 62,440 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,072 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,033 |
| Himalayan Countries | 0 | - | 4.95 | 138,349 |
| Andean Countries | 0 | - | 4.93 | 84,391 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,613 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,532 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,242 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,646 |
| Danube Countries | 0 | - | 4.97 | 71,910 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,889 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,315 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,126 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,584 |
| European Landlocked Countries | 0 | - | 4.99 | 147,041 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,475 |
| Countries with the Most Species | 0 | - | 4.99 | 103,155 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,632 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,537 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,680 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,479 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,160 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,573 |
| Countries in the Alps | 0 | - | 4.87 | 118,057 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,462 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,859 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,588 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,514 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,396 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,880 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,560 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,416 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,120 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,762 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,589 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,456 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,129 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,396 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,430 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,691 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,228 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,732 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,912 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,508 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,847 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,153 |
| Largest Countries By Category | 0 | - | 4.97 | 158,041 |
| Countries by Countries | 0 | - | 4.96 | 63,095 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,562 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,244 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,537 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,316 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,891 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,580 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,772,355 |
| Pixelated World Map | 0 | - | 5.00 | 143,493 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,872 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,331 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,499 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,236 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,846 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,276 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,682 |
| Island Countries | 0 | - | 4.99 | 710,708 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,734 |
| Northernmost Countries | 0 | - | 4.99 | 361,563 |
| Countries of South America | 0 | - | 5.00 | 926,019 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,267 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,874,301 |
| "Land" Countries | 0 | - | 4.98 | 337,053 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,667 |
| Countries with Megacities | 0 | - | 4.99 | 263,967 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,514 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,344 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,780 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,402 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,287 |
| Countries by Official Language | 0 | - | 4.95 | 195,068 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,145 |
| Countries in their Native Language | 0 | - | 4.99 | 198,680 |
| Independence from Whom | 0 | - | 4.99 | 211,884 |
| Subdivisions by Country | 0 | - | 4.86 | 50,387 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,580 |
| Megadiverse Countries | 0 | - | 4.96 | 134,941 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,930 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,298 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,877 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,077 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,003 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,547 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,343 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,982 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,600 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,053 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,501 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,830 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,143 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,914 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,300 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,445 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,138 |
| World Map Quiz | 0 | - | 4.81 | 64,971 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,266 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 145,645 |
| Countries by Founding Story | 0 | - | 4.95 | 77,294 |
| Countries by Road Signs | 0 | - | 4.98 | 53,905 |
| Countries That Do Not Border | 0 | - | 4.99 | 60,344 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,919 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,175 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,903 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,976 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,809 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,929 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,229 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,394 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,506 |
| Widest Countries East to West | 0 | - | 4.92 | 129,567 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,432 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,274 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,088 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,700 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,486 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,769 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,335 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,782 |
| Countries With the Tallest People | 0 | - | 4.93 | 94,936 |
| Countries with Double Letters | 0 | - | 4.96 | 95,984 |
| Countries that End in N | 0 | - | 4.95 | 170,886 |
| Countries with Five Letters | 0 | - | 4.96 | 282,018 |
| Countries with Six Letters | 0 | - | 4.94 | 213,306 |
| Countries with W | 0 | - | 4.97 | 160,143 |
| Countries with Z | 0 | - | 4.98 | 291,176 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,507 |
| Countries That End in U | 0 | - | 4.95 | 120,747 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,272 |
| Countries that End in O | 0 | - | 4.92 | 159,437 |
| Countries that End in R | 0 | - | 4.87 | 118,906 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,673 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,870 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,566 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,385 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,299 |
| Countries That End in Y | 0 | - | 4.91 | 185,811 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,764 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,737 |
| Countries that End in I | 0 | - | 4.94 | 135,033 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,935 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,757 |
| Countries That End in NIA | 0 | - | 4.92 | 109,707 |
| Countries That End in BIA | 0 | - | 4.93 | 149,103 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,001 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,328 |
| Countries That End in RIA | 0 | - | 4.93 | 126,741 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,921 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,327 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,555 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,955 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,521 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,517 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,932 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,416 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,433 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,367 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,168 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,861 |
| Countries that End in L | 0 | - | 4.94 | 156,750 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,237 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,239 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,956 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,892 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,923 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,573 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,532 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,896 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,424 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,292 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,794 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,052 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,671 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,814 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 147,346 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.85 | 77,172 |
| Top World Languages on a Map | 0 | - | 4.94 | 103,167 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 116,695 |
| 407 Islands on the World Map | 0 | - | 4.99 | 35,247 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,778 |
| Smallest Countries with at Least Two Borders | 0 | - | 4.97 | 42,726 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,784 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,617 |
