| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,395,121 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,513 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,516 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,648 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,850,553 |
| Landlocked Countries | 0 | - | 4.99 | 426,482 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 589,880 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,916,633 |
| Countries of the World in 1900 | 0 | - | 4.89 | 86,044 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,884 |
| All Countries by Northernmost Point on Land | 0 | - | 4.90 | 127,444 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 62,871 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,280 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,522 |
| Himalayan Countries | 0 | - | 4.93 | 140,457 |
| Andean Countries | 0 | - | 4.94 | 85,601 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,738 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,197 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,305 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,541 |
| Danube Countries | 0 | - | 4.97 | 72,465 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,674 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,896 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,250 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,724 |
| European Landlocked Countries | 0 | - | 4.99 | 147,664 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,391 |
| Countries with the Most Species | 0 | - | 4.99 | 103,602 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,498 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,790 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,910 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,875 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,612 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,065 |
| Countries in the Alps | 0 | - | 4.87 | 118,850 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,781 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,982 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,009 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,085 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,030 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,316 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,469 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,913 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,460 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,224 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,909 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,779 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,601 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,843 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,944 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,970 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,654 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,428 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,736 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,931 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,285 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,549 |
| Largest Countries By Category | 0 | - | 4.97 | 158,945 |
| Countries by Countries | 0 | - | 4.96 | 63,703 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,323 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,424 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,688 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,147 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,468 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,146 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,807,550 |
| Pixelated World Map | 0 | - | 5.00 | 144,150 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,637 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,790 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,925 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,837 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,939 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,829 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,968 |
| Island Countries | 0 | - | 4.99 | 712,738 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,295 |
| Northernmost Countries | 0 | - | 4.99 | 364,259 |
| Countries of South America | 0 | - | 5.00 | 933,335 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,313 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,890,839 |
| "Land" Countries | 0 | - | 4.98 | 338,528 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,305 |
| Countries with Megacities | 0 | - | 4.99 | 267,415 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,975 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,223 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,301 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,325 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,387 |
| Countries by Official Language | 0 | - | 4.95 | 196,102 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,767 |
| Countries in their Native Language | 0 | - | 4.99 | 199,832 |
| Independence from Whom | 0 | - | 4.99 | 213,205 |
| Subdivisions by Country | 0 | - | 4.87 | 50,640 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,554 |
| Megadiverse Countries | 0 | - | 4.96 | 143,292 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,024 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,553 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,744 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,236 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,343 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,884 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,177 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,590 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,116 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,274 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,628 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,428 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,462 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,171 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,602 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,912 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,550 |
| World Map Quiz | 0 | - | 4.81 | 65,813 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,756 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 148,239 |
| Countries by Founding Story | 0 | - | 4.95 | 77,851 |
| Countries by Road Signs | 0 | - | 4.98 | 54,390 |
| Countries That Do Not Border | 0 | - | 4.99 | 60,905 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,368 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,149 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,613 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,723 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,481 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,600 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,787 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,720 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,834 |
| Widest Countries East to West | 0 | - | 4.92 | 130,774 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,614 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,299 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,534 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,095 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,032 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,532 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,516 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,905 |
| Countries With the Tallest People | 0 | - | 4.93 | 95,213 |
| Countries with Double Letters | 0 | - | 4.96 | 97,208 |
| Countries that End in N | 0 | - | 4.95 | 172,246 |
| Countries with Five Letters | 0 | - | 4.96 | 284,165 |
| Countries with Six Letters | 0 | - | 4.94 | 214,623 |
| Countries with W | 0 | - | 4.96 | 161,044 |
| Countries with Z | 0 | - | 4.98 | 292,594 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,378 |
| Countries That End in U | 0 | - | 4.95 | 121,241 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,188 |
| Countries that End in O | 0 | - | 4.92 | 160,263 |
| Countries that End in R | 0 | - | 4.87 | 119,214 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,977 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,956 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,223 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,875 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,805 |
| Countries That End in Y | 0 | - | 4.91 | 186,112 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,528 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,324 |
| Countries that End in I | 0 | - | 4.94 | 135,355 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,689 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,088 |
| Countries That End in NIA | 0 | - | 4.92 | 110,095 |
| Countries That End in BIA | 0 | - | 4.93 | 149,638 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,747 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,810 |
| Countries That End in RIA | 0 | - | 4.93 | 127,089 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,444 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,735 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,256 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,709 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,256 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,837 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,364 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,554 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,962 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,671 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,790 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,484 |
| Countries that End in L | 0 | - | 4.94 | 157,179 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 218,207 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,360 |
| City to Country Quiz #1 | 0 | - | 4.97 | 157,569 |
| City to Country Quiz #3 | 0 | - | 4.88 | 120,045 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,487 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,524 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 201,204 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,466 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,332 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 226,049 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,259 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,258 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,850 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,290 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 149,834 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.86 | 77,765 |
| Top World Languages on a Map | 0 | - | 4.94 | 104,061 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 117,697 |
| 407 Islands on the World Map | 0 | - | 4.99 | 35,659 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,178 |
| Smallest Countries with at Least Two Borders | 0 | - | 4.97 | 43,242 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,892 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,688 |
