| Random Countries by Borders | 0 | - | 4.99 | 81,634 |
| Country Chain | 0 | - | 4.96 | 215,652 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,236 |
| European Countries with One Border | 0 | - | 4.97 | 181,559 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,428 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,586,140 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,873 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,213 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,449 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,408 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,311 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,077 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,087,313 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,648 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,044 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,016 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,175 |
| Countries with the Most Borders | 0 | - | 4.97 | 385,393 |
| Countries with Four Letters | 0 | - | 4.99 | 418,355 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,759 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,128 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,891,521 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,744 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,917 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,316 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,200 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,512 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,291 |
| Landlocked Countries | 0 | - | 4.99 | 413,286 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,851 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,108 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,112 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,260 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,853 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,356 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,535 |
| Capital Cities Chain | 0 | - | 4.84 | 81,877 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,250 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,377 |
| Countries by Emojis | 0 | - | 4.99 | 236,031 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,077 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,060 |
| Islands by Country #1 | 0 | - | 4.87 | 174,446 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,881 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,252 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,318 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,713,668 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,685 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 354,580 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 412,675 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,716 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,257 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,282 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,443 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,703 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,322 |
| Monarchies Bordering Monarchies | 0 | - | 4.85 | 59,946 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,909 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,434 |
| Himalayan Countries | 0 | - | 4.95 | 135,218 |
| Andean Countries | 0 | - | 4.94 | 82,758 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,169 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,110 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,837 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,545 |
| Danube Countries | 0 | - | 4.97 | 71,044 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,710 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,502 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,394 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,322 |
| European Landlocked Countries | 0 | - | 4.99 | 145,717 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,143 |
| Countries with the Most Species | 0 | - | 4.99 | 95,224 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,286 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,192 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,357 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,387 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,421 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,939 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,549 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,920 |
| Countries in the Alps | 0 | - | 4.87 | 116,767 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,526 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,186 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,984 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,389 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,114 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,968 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,529 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,725 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,086 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,019 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,182 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,022 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,418 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,714 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,720 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,997 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,608 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,304 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,235 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,732 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,083 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,532 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,574 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,319 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,810 |
| Largest Countries By Category | 0 | - | 4.97 | 156,695 |
| Countries by Countries | 0 | - | 4.96 | 62,224 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,615 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,606 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,454 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,702 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,226 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,324 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,374 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,952 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 136,729 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,316 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,721 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,575 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,648 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 86,499 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,164 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 86,149 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,148 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 236,294 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,465 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,005 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,577 |
| Island Countries | 0 | - | 4.99 | 707,474 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,387 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,027 |
| Northernmost Countries | 0 | - | 4.99 | 357,537 |
| Countries of South America | 0 | - | 5.00 | 914,130 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,686 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,847,037 |
| "Land" Countries | 0 | - | 4.98 | 333,552 |
| Countries Bordering France | 0 | - | 4.85 | 398,487 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,915 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,676 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,029 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,450 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 82,578 |
| Countries Bordering the EU | 0 | - | 4.77 | 72,383 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,446 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,462 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,993 |
| Countries with Megacities | 0 | - | 4.99 | 246,515 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,911 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,795 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,365 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,754 |
| Countries by Official Language | 0 | - | 4.95 | 192,701 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,030 |
| Countries in their Native Language | 0 | - | 4.99 | 196,557 |
| Independence from Whom | 0 | - | 4.99 | 209,593 |
| Subdivisions by Country | 0 | - | 4.86 | 50,050 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,679 |
| Megadiverse Countries | 0 | - | 4.97 | 133,866 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,734 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,903 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,405 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,848 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,602 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,972 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,833 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,115 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,201 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,732 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,496 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,397 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,473 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,486 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,645 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,003 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,480 |
| World Map Quiz | 0 | - | 4.81 | 63,446 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,478 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,285 |
| Countries by Founding Story | 0 | - | 4.95 | 76,490 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,270 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,943 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,905 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,638 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,823 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,028 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,236 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,922 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,306 |
| Widest Countries East to West | 0 | - | 4.92 | 128,574 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,209 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,162 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,549 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,667 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,592 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,008 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,045 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,566 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 334,528 |