| German-Speaking Countries | 0 | - | 4.92 | 145,570 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,059 |
| Countries by Official Language | 0 | - | 4.95 | 194,947 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,965 |
| Countries in their Native Language | 0 | - | 4.99 | 198,468 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,810 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,623,732 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,375 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,463,706 |
| French-Speaking Countries | 0 | - | 4.85 | 270,521 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,124 |
| Landlocked Countries | 0 | - | 4.99 | 420,577 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 572,403 |
| English Speaking Countries | 0 | - | 4.64 | 357,336 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,767,894 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,666 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,445 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,076 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,731 |
| Himalayan Countries | 0 | - | 4.95 | 138,100 |
| Andean Countries | 0 | - | 4.95 | 84,273 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,492 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,345 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,124 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,569 |
| Danube Countries | 0 | - | 4.97 | 71,836 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,803 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,243 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,980 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,434 |
| European Landlocked Countries | 0 | - | 4.99 | 146,972 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,385 |
| Countries with the Most Species | 0 | - | 4.99 | 103,096 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,534 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,508 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,660 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,447 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,117 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,508 |
| Countries in the Alps | 0 | - | 4.87 | 117,963 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,543 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,724 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,549 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,459 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,310 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,834 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,472 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,342 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,079 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,706 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,568 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,421 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,073 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,351 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,369 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,550 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,181 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,692 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,826 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,202 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,682 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,113 |
| Largest Countries By Category | 0 | - | 4.97 | 157,934 |
| Countries by Countries | 0 | - | 4.97 | 63,018 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,469 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,219 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,514 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,095 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,808 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,512 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,332 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,258 |
| Island Countries | 0 | - | 4.99 | 710,409 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,047,933 |
| Northernmost Countries | 0 | - | 4.99 | 361,245 |
| Countries of South America | 0 | - | 5.00 | 925,144 |
| Countries of Oceania | 0 | - | 5.00 | 1,054,090 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,872,050 |
| "Land" Countries | 0 | - | 4.98 | 336,474 |
| Top World Languages | 0 | - | 4.92 | 822,292 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,379,818 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,776 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,755 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,475 |
| Countries with Megacities | 0 | - | 4.99 | 263,462 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,316 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,257 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,611 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,293 |
| Independence from Whom | 0 | - | 4.99 | 211,727 |
| Subdivisions by Country | 0 | - | 4.86 | 50,363 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,992 |
| Megadiverse Countries | 0 | - | 4.96 | 134,888 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,262 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,846 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,060 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,919 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,486 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,228 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,939 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,566 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,045 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,354 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,796 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,095 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,873 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,253 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,419 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,501 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,700 |
| World Map Quiz | 0 | - | 4.81 | 64,877 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 137,983 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,432 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,199 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 63,946 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 145,375 |
| Countries by Founding Story | 0 | - | 4.95 | 77,225 |
| Countries by Road Signs | 0 | - | 4.98 | 53,838 |
| Countries That Do Not Border | 0 | - | 4.99 | 60,282 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,790 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,100 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,832 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,791 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,733 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,865 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,175 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,354 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,444 |
| Widest Countries East to West | 0 | - | 4.92 | 129,509 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,417 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,170 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,065 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,643 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,418 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,710 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,312 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,764 |
| Countries With the Tallest People | 0 | - | 4.93 | 94,900 |
| Countries with Double Letters | 0 | - | 4.97 | 95,410 |
| Countries that End in N | 0 | - | 4.95 | 170,453 |
| Countries with Five Letters | 0 | - | 4.96 | 281,418 |
| Countries with Six Letters | 0 | - | 4.94 | 212,867 |
| Countries with W | 0 | - | 4.97 | 159,744 |
| Countries with Z | 0 | - | 4.98 | 290,677 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,003 |
| Countries That End in U | 0 | - | 4.95 | 120,532 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,030 |
| Countries that End in O | 0 | - | 4.92 | 159,299 |
| Countries that End in R | 0 | - | 4.87 | 118,813 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,584 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,646 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,343 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,231 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,852 |
| Countries That End in Y | 0 | - | 4.91 | 185,734 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,547 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,633 |
| Countries that End in I | 0 | - | 4.94 | 134,963 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,748 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,676 |
| Countries That End in NIA | 0 | - | 4.92 | 109,635 |
| Countries That End in BIA | 0 | - | 4.93 | 148,995 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,893 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,220 |
| Countries That End in RIA | 0 | - | 4.93 | 126,657 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,789 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,138 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,436 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,823 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,351 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,429 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,812 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,363 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,311 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,295 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,025 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,744 |
| Countries with the Highest Scrabble Score | 0 | - | 4.97 | 63,566 |
| Countries that End in L | 0 | - | 4.94 | 156,674 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,859 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,195 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,917 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,832 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,885 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,446 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,412 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,821 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,353 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,855 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,731 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,023 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.80 | 108,671 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,643 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,768 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 383,533 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,942 |
| Smallest Countries with at Least Two Borders | 0 | - | 4.97 | 42,664 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,797 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,362 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,829,171 |
