| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,384,272 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,249 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,404 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,150 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,835,594 |
| Landlocked Countries | 0 | - | 4.99 | 422,192 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 577,509 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,601,029 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,278 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,787 |
| All Countries by Northernmost Point on Land | 0 | - | 4.90 | 126,690 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 62,531 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,351 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,597 |
| Himalayan Countries | 0 | - | 4.95 | 138,845 |
| Andean Countries | 0 | - | 4.93 | 84,675 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,875 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,916 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,507 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,851 |
| Danube Countries | 0 | - | 4.97 | 72,042 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,055 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,451 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,361 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,847 |
| European Landlocked Countries | 0 | - | 4.99 | 147,171 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,686 |
| Countries with the Most Species | 0 | - | 4.99 | 103,267 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,812 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,606 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,731 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,562 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,250 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,688 |
| Countries in the Alps | 0 | - | 4.87 | 118,240 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,257 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,073 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,676 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,621 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,545 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,965 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,699 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,516 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,196 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,874 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,668 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,541 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,243 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,498 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,548 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,965 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,332 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,072 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,124 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,054 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,189 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,253 |
| Largest Countries By Category | 0 | - | 4.97 | 158,253 |
| Countries by Countries | 0 | - | 4.96 | 63,260 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,715 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,297 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,571 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,679 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,049 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,693 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,780,324 |
| Pixelated World Map | 0 | - | 5.00 | 143,655 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,057 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,441 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,591 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,357 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,755 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,574 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,476 |
| Island Countries | 0 | - | 4.99 | 711,129 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,158 |
| Northernmost Countries | 0 | - | 4.99 | 362,062 |
| Countries of South America | 0 | - | 5.00 | 927,669 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,388 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,878,027 |
| "Land" Countries | 0 | - | 4.98 | 337,406 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,958 |
| Countries with Megacities | 0 | - | 4.99 | 264,686 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,791 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,500 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,056 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,576 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,585 |
| Countries by Official Language | 0 | - | 4.95 | 195,298 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,437 |
| Countries in their Native Language | 0 | - | 4.99 | 199,085 |
| Independence from Whom | 0 | - | 4.99 | 212,154 |
| Subdivisions by Country | 0 | - | 4.86 | 50,438 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,769 |
| Megadiverse Countries | 0 | - | 4.96 | 135,033 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,133 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,373 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,247 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,116 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,166 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,608 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,505 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,048 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,671 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,154 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,711 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,899 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,219 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,981 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,365 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,507 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,219 |
| World Map Quiz | 0 | - | 4.81 | 65,131 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,372 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 146,211 |
| Countries by Founding Story | 0 | - | 4.95 | 77,392 |
| Countries by Road Signs | 0 | - | 4.98 | 54,028 |
| Countries That Do Not Border | 0 | - | 4.99 | 60,482 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,133 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,307 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,018 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,270 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,918 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,029 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,321 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,456 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,587 |
| Widest Countries East to West | 0 | - | 4.92 | 129,668 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,462 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,401 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,127 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,782 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,615 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,885 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,380 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,802 |
| Countries With the Tallest People | 0 | - | 4.93 | 94,997 |
| Countries with Double Letters | 0 | - | 4.96 | 96,275 |
| Countries that End in N | 0 | - | 4.95 | 171,161 |
| Countries with Five Letters | 0 | - | 4.96 | 282,559 |
| Countries with Six Letters | 0 | - | 4.94 | 213,598 |
| Countries with W | 0 | - | 4.97 | 160,351 |
| Countries with Z | 0 | - | 4.98 | 291,506 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,729 |
| Countries That End in U | 0 | - | 4.95 | 120,864 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,492 |
| Countries that End in O | 0 | - | 4.92 | 159,518 |
| Countries that End in R | 0 | - | 4.87 | 118,975 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,738 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,138 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,709 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,483 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,410 |
| Countries That End in Y | 0 | - | 4.91 | 185,884 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,946 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,872 |
| Countries that End in I | 0 | - | 4.94 | 135,105 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,132 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,827 |
| Countries That End in NIA | 0 | - | 4.92 | 109,795 |
| Countries That End in BIA | 0 | - | 4.93 | 149,223 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,135 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,439 |
| Countries That End in RIA | 0 | - | 4.93 | 126,814 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,032 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,658 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,725 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,147 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,702 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,583 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,038 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,447 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,533 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,427 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,304 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,993 |
| Countries that End in L | 0 | - | 4.94 | 156,850 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,852 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,269 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,034 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,962 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,006 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,773 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,677 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,017 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,602 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,470 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,878 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,106 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,711 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,881 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 147,730 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.85 | 77,305 |
| Top World Languages on a Map | 0 | - | 4.94 | 103,245 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 116,886 |
| 407 Islands on the World Map | 0 | - | 4.99 | 35,325 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,876 |
| Smallest Countries with at Least Two Borders | 0 | - | 4.97 | 42,847 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,547 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,049 |
