| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,393,734 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,365 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,272 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,595 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,848,916 |
| Landlocked Countries | 0 | - | 4.99 | 425,880 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 588,431 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,880,632 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,963 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,769 |
| All Countries by Northernmost Point on Land | 0 | - | 4.90 | 127,375 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 62,838 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,157 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,278 |
| Himalayan Countries | 0 | - | 4.93 | 140,256 |
| Andean Countries | 0 | - | 4.94 | 85,467 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,616 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,009 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,169 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,440 |
| Danube Countries | 0 | - | 4.97 | 72,395 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,596 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,844 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,131 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,617 |
| European Landlocked Countries | 0 | - | 4.99 | 147,605 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,303 |
| Countries with the Most Species | 0 | - | 4.99 | 103,566 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,412 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,775 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,887 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,838 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,582 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,020 |
| Countries in the Alps | 0 | - | 4.87 | 118,776 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,635 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,865 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,967 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,026 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,961 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,258 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,407 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,866 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,426 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,180 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,877 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,746 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,561 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,799 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,896 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,844 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,616 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 71,631 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,676 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,720 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,157 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,506 |
| Largest Countries By Category | 0 | - | 4.97 | 158,866 |
| Countries by Countries | 0 | - | 4.96 | 63,646 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,270 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,401 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,672 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,990 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,434 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,108 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,804,545 |
| Pixelated World Map | 0 | - | 5.00 | 144,112 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,578 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,749 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,883 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,783 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,420 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,697 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,705 |
| Island Countries | 0 | - | 4.99 | 712,578 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,757 |
| Northernmost Countries | 0 | - | 4.99 | 364,020 |
| Countries of South America | 0 | - | 5.00 | 932,715 |
| Countries of Oceania | 0 | - | 5.00 | 1,063,403 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,889,374 |
| "Land" Countries | 0 | - | 4.98 | 338,397 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,163 |
| Countries with Megacities | 0 | - | 4.99 | 267,130 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,851 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,130 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,166 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,243 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,307 |
| Countries by Official Language | 0 | - | 4.95 | 196,006 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,639 |
| Countries in their Native Language | 0 | - | 4.99 | 199,744 |
| Independence from Whom | 0 | - | 4.99 | 213,076 |
| Subdivisions by Country | 0 | - | 4.87 | 50,619 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,448 |
| Megadiverse Countries | 0 | - | 4.96 | 135,283 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,948 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,543 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,672 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,230 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,121 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,857 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,118 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,570 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,051 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,258 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,538 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,378 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,444 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,150 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,585 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,856 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,511 |
| World Map Quiz | 0 | - | 4.81 | 65,733 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,718 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 148,057 |
| Countries by Founding Story | 0 | - | 4.95 | 77,798 |
| Countries by Road Signs | 0 | - | 4.98 | 54,351 |
| Countries That Do Not Border | 0 | - | 4.99 | 60,850 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,261 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,086 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,566 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,587 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,436 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,539 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,734 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,692 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,727 |
| Widest Countries East to West | 0 | - | 4.92 | 130,464 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,599 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,263 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,520 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,070 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,977 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,489 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,503 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,892 |
| Countries With the Tallest People | 0 | - | 4.93 | 95,200 |
| Countries with Double Letters | 0 | - | 4.96 | 97,085 |
| Countries that End in N | 0 | - | 4.95 | 171,952 |
| Countries with Five Letters | 0 | - | 4.96 | 283,785 |
| Countries with Six Letters | 0 | - | 4.94 | 214,485 |
| Countries with W | 0 | - | 4.96 | 160,950 |
| Countries with Z | 0 | - | 4.98 | 292,466 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,291 |
| Countries That End in U | 0 | - | 4.95 | 121,196 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,114 |
| Countries that End in O | 0 | - | 4.92 | 160,218 |
| Countries that End in R | 0 | - | 4.87 | 119,187 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,942 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,851 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,155 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,833 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,765 |
| Countries That End in Y | 0 | - | 4.91 | 186,093 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,466 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,280 |
| Countries that End in I | 0 | - | 4.94 | 135,319 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,630 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,061 |
| Countries That End in NIA | 0 | - | 4.92 | 110,062 |
| Countries That End in BIA | 0 | - | 4.93 | 149,577 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,555 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,779 |
| Countries That End in RIA | 0 | - | 4.93 | 127,059 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,393 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,598 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,191 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,632 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,181 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,810 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,333 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,540 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,912 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,654 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,735 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,424 |
| Countries that End in L | 0 | - | 4.94 | 157,132 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 218,043 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,346 |
| City to Country Quiz #1 | 0 | - | 4.97 | 157,518 |
| City to Country Quiz #3 | 0 | - | 4.88 | 120,004 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,457 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,443 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 201,148 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,438 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,270 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,982 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,217 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,239 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,832 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,248 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 149,566 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.86 | 77,718 |
| Top World Languages on a Map | 0 | - | 4.94 | 104,028 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 117,620 |
| 407 Islands on the World Map | 0 | - | 4.99 | 35,616 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,139 |
| Smallest Countries with at Least Two Borders | 0 | - | 4.97 | 43,202 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,161 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,501 |
