| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,369,783 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,459 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,215 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.85 | 63,474 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,812,286 |
| Landlocked Countries | 0 | - | 4.99 | 416,383 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 561,126 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,142,090 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,094 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,047 |
| All Countries by Northernmost Point on Land | 0 | - | 4.89 | 125,593 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 62,059 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,748 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,805 |
| Himalayan Countries | 0 | - | 4.95 | 136,388 |
| Andean Countries | 0 | - | 4.95 | 83,425 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,692 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,914 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,376 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,979 |
| Danube Countries | 0 | - | 4.97 | 71,371 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,168 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,828 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,101 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,052 |
| European Landlocked Countries | 0 | - | 4.99 | 146,099 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,715 |
| Countries with the Most Species | 0 | - | 4.99 | 100,720 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,856 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,315 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,493 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,134 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,790 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,163 |
| Countries in the Alps | 0 | - | 4.86 | 117,296 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,875 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,827 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,234 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,715 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,785 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,227 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,957 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,974 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,783 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,311 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,341 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,194 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,700 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,972 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,984 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,658 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,873 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,406 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,206 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,842 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,500 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,799 |
| Largest Countries By Category | 0 | - | 4.97 | 157,218 |
| Countries by Countries | 0 | - | 4.96 | 62,566 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,846 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,070 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,406 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,629 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,368 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,060 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,738,604 |
| Pixelated World Map | 0 | - | 5.00 | 142,838 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,150 |
| Countries of the World in 1444 | 0 | - | 4.98 | 59,862 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,105 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,638 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,604 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,715 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,568 |
| Island Countries | 0 | - | 4.99 | 708,731 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,000 |
| Northernmost Countries | 0 | - | 4.99 | 359,231 |
| Countries of South America | 0 | - | 5.00 | 919,309 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,176 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,857,781 |
| "Land" Countries | 0 | - | 4.98 | 334,461 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,200 |
| Countries with Megacities | 0 | - | 4.99 | 248,781 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,051 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,510 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,426 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,457 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,410 |
| Countries by Official Language | 0 | - | 4.95 | 193,928 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,425 |
| Countries in their Native Language | 0 | - | 4.99 | 197,553 |
| Independence from Whom | 0 | - | 4.99 | 210,614 |
| Subdivisions by Country | 0 | - | 4.86 | 50,185 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,273 |
| Megadiverse Countries | 0 | - | 4.96 | 134,519 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,757 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,070 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,615 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,942 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,415 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,197 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,529 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,524 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,355 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,801 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,122 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,570 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,669 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,632 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,836 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,185 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,719 |
| World Map Quiz | 0 | - | 4.81 | 64,020 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,667 |
| Countries by Sports in 60 Seconds | 0 | - | 4.91 | 142,666 |
| Countries by Founding Story | 0 | - | 4.95 | 76,842 |
| Countries by Road Signs | 0 | - | 4.98 | 53,380 |
| Countries That Do Not Border | 0 | - | 4.99 | 59,734 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,013 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,635 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,368 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,623 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,229 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,428 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,601 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,132 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,620 |
| Widest Countries East to West | 0 | - | 4.92 | 129,120 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,320 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,616 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,901 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,936 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,955 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,333 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,045 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,663 |
| Countries With the Tallest People | 0 | - | 4.91 | 94,661 |
| Countries with Double Letters | 0 | - | 4.96 | 93,965 |
| Countries that End in N | 0 | - | 4.94 | 162,578 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,396 |
| Countries with Six Letters | 0 | - | 4.93 | 210,987 |
| Countries with W | 0 | - | 4.97 | 158,670 |
| Countries with Z | 0 | - | 4.98 | 288,587 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,947 |
| Countries That End in U | 0 | - | 4.95 | 119,809 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,079 |
| Countries that End in O | 0 | - | 4.92 | 158,789 |
| Countries that End in R | 0 | - | 4.87 | 118,466 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,000 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,649 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,690 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,767 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,338 |
| Countries That End in Y | 0 | - | 4.90 | 185,371 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,780 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,038 |
| Countries that End in I | 0 | - | 4.94 | 134,632 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,649 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,382 |
| Countries That End in NIA | 0 | - | 4.92 | 109,264 |
| Countries That End in BIA | 0 | - | 4.93 | 148,505 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,385 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,738 |
| Countries That End in RIA | 0 | - | 4.93 | 126,307 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,293 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,005 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,817 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,164 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,732 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,116 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,399 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,915 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,799 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,974 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,476 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,153 |
| Countries that End in L | 0 | - | 4.94 | 156,248 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 212,745 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,050 |
| City to Country Quiz #1 | 0 | - | 4.96 | 155,700 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,543 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,600 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,257 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,777 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,256 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,789 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,207 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,025 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,860 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,282 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,503 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,493 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 145,684 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.84 | 76,645 |
| Top World Languages on a Map | 0 | - | 4.93 | 102,486 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 115,843 |
| 407 Islands on the World Map | 0 | - | 4.99 | 34,888 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,403 |
| Smallest Countries with at Least Two Borders | 0 | - | 4.97 | 41,872 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,517 |
