| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,367,331 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,167 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,692 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.85 | 63,377 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,808,574 |
| Landlocked Countries | 0 | - | 4.99 | 415,446 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 558,168 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,064,768 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,895 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,730 |
| All Countries by Northernmost Point on Land | 0 | - | 4.89 | 125,391 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 61,959 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,447 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,335 |
| Himalayan Countries | 0 | - | 4.95 | 136,005 |
| Andean Countries | 0 | - | 4.94 | 83,178 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,505 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,644 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,193 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,839 |
| Danube Countries | 0 | - | 4.97 | 71,273 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,009 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,719 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,887 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,833 |
| European Landlocked Countries | 0 | - | 4.99 | 145,977 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,541 |
| Countries with the Most Species | 0 | - | 4.99 | 95,351 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,661 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,272 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,443 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,072 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,720 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,086 |
| Countries in the Alps | 0 | - | 4.86 | 117,136 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,766 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,611 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,163 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,597 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,391 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,148 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,813 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,902 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,698 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,213 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,279 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,142 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,626 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,888 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,900 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,482 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,802 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,351 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,042 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,318 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,222 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,736 |
| Largest Countries By Category | 0 | - | 4.97 | 157,043 |
| Countries by Countries | 0 | - | 4.96 | 62,452 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,685 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,030 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,382 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,323 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,292 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,955 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,731,633 |
| Pixelated World Map | 0 | - | 5.00 | 142,713 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,010 |
| Countries of the World in 1444 | 0 | - | 4.98 | 59,758 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,024 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,546 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,895 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,829 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,833 |
| Island Countries | 0 | - | 4.99 | 708,360 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,823 |
| Northernmost Countries | 0 | - | 4.99 | 358,751 |
| Countries of South America | 0 | - | 5.00 | 917,965 |
| Countries of Oceania | 0 | - | 5.00 | 1,044,390 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,854,647 |
| "Land" Countries | 0 | - | 4.98 | 334,117 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,930 |
| Countries with Megacities | 0 | - | 4.99 | 248,241 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,831 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,372 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,212 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,306 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,213 |
| Countries by Official Language | 0 | - | 4.95 | 193,203 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,748 |
| Countries in their Native Language | 0 | - | 4.99 | 197,036 |
| Independence from Whom | 0 | - | 4.99 | 210,179 |
| Subdivisions by Country | 0 | - | 4.86 | 50,151 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,076 |
| Megadiverse Countries | 0 | - | 4.96 | 134,463 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,205 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,016 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,550 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,908 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,890 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,134 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,346 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,456 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,304 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,788 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,946 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,525 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,630 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,590 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,801 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,125 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,615 |
| World Map Quiz | 0 | - | 4.81 | 63,818 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,595 |
| Countries by Founding Story | 0 | - | 4.95 | 76,729 |
| Countries by Road Signs | 0 | - | 4.98 | 53,283 |
| Countries That Do Not Border | 0 | - | 4.99 | 59,612 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,801 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,532 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,259 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,370 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,124 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,323 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,515 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,084 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,534 |
| Widest Countries East to West | 0 | - | 4.92 | 129,036 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,287 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,501 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,660 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,870 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,845 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,237 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,744 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,645 |
| Countries With the Tallest People | 0 | - | 4.91 | 94,632 |
| Countries with Double Letters | 0 | - | 4.96 | 93,712 |
| Countries that End in N | 0 | - | 4.94 | 157,159 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,062 |
| Countries with Six Letters | 0 | - | 4.93 | 210,731 |
| Countries with W | 0 | - | 4.97 | 158,435 |
| Countries with Z | 0 | - | 4.98 | 288,275 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,777 |
| Countries That End in U | 0 | - | 4.95 | 119,623 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,896 |
| Countries that End in O | 0 | - | 4.92 | 158,668 |
| Countries that End in R | 0 | - | 4.87 | 118,384 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,940 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,441 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,575 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,664 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,214 |
| Countries That End in Y | 0 | - | 4.90 | 185,295 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,636 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,919 |
| Countries that End in I | 0 | - | 4.94 | 134,550 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,496 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,314 |
| Countries That End in NIA | 0 | - | 4.92 | 109,132 |
| Countries That End in BIA | 0 | - | 4.92 | 147,862 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,274 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,645 |
| Countries That End in RIA | 0 | - | 4.93 | 126,207 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,197 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,763 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,698 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,047 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,607 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,039 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,296 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,815 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,700 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,906 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,363 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,008 |
| Countries that End in L | 0 | - | 4.94 | 156,170 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 212,225 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,023 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,632 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,470 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,537 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,022 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,653 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 141,813 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,672 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,060 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,935 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,826 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,245 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,469 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,434 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 145,361 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.84 | 76,518 |
| Top World Languages on a Map | 0 | - | 4.93 | 102,394 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 115,598 |
| 407 Islands on the World Map | 0 | - | 4.99 | 34,829 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,332 |
| Smallest Countries with at Least Two Borders | 0 | - | 4.96 | 40,731 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,074 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,416 |
