| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,473 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,048 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,403 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,803 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,895 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,857 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,509 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,870 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,115 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,419 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,983 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,648,796 |
| Majority Muslim Countries | 0 | - | 4.98 | 377,203 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,111,808 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,948 |
| Countries with Four Letters | 0 | - | 4.99 | 425,358 |
| NATO Countries | 0 | - | 4.98 | 283,026 |
| EU Countries Quiz | 0 | - | 4.99 | 277,361 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 290,928 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 276,450 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 167,696 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,116 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,013 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,404 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,589 |
| Countries with NO Military | 0 | - | 4.97 | 63,261 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,042 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 114,281 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,801 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,618 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,811,991 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,829 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,243 |
| Country Chain | 0 | - | 4.96 | 218,292 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,489 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,163 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,079 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,102 |
| Countries by Emojis | 0 | - | 4.99 | 241,592 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,486 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,979 |
| Buddhist Countries | 0 | - | 4.96 | 144,964 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,716 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,558 |
| Islands by Country #1 | 0 | - | 4.90 | 176,224 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,150 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,478 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,330 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,563 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,058 |
| Countries with Most Nobel Prizes by Continent | 0 | - | 4.93 | 60,066 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,883 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,734 |
| Name a Valid Country #1 | 0 | - | 4.99 | 294,693 |
| Name a Valid Country #2 | 0 | - | 4.98 | 253,833 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,854 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,739 |
| Name a Valid Country #6 | 0 | - | 4.95 | 144,489 |
| Name a Valid Country #7 | 0 | - | 4.91 | 131,630 |
| Name a Valid Country #8 | 0 | - | 4.86 | 100,748 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 740,210 |
| Landlocked Countries | 0 | - | 4.99 | 424,859 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,798,626 |
| Countries that Start with A | 0 | - | 4.98 | 2,173,727 |
| Countries that Start with B | 0 | - | 4.95 | 2,304,691 |
| Countries that Start with C | 0 | - | 4.96 | 1,830,053 |
| Countries that Start with D | 0 | - | 4.96 | 715,422 |
| Countries that Start with E | 0 | - | 4.95 | 1,383,913 |
| Countries that Start with G | 0 | - | 4.97 | 1,510,272 |
| Countries that Start with H | 0 | - | 4.96 | 608,876 |
| Countries that Start with I | 0 | - | 4.92 | 1,293,663 |
| Countries that Start with J | 0 | - | 4.98 | 606,278 |
| Countries that Start with K | 0 | - | 4.97 | 820,044 |
| Countries that Start with L | 0 | - | 4.98 | 1,095,887 |
| Countries that Start with N | 0 | - | 4.93 | 1,122,945 |
| Countries that Start with P | 0 | - | 4.94 | 1,221,190 |
| Countries that Start with S | 0 | - | 4.98 | 1,761,910 |
| Countries that Start with T | 0 | - | 4.90 | 1,014,201 |
| Countries that Start with U | 0 | - | 4.97 | 907,946 |
| Countries that Start with V | 0 | - | 4.98 | 611,616 |
| Countries that Start with F | 0 | - | 4.83 | 620,761 |
| Countries that Start with M | 0 | - | 4.97 | 1,387,294 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,216 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,617 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,626 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,630 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,587 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,284 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,026 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,840 |
| Orthodox Countries | 0 | - | 4.92 | 132,684 |
| Richest Island Countries | 0 | - | 4.85 | 101,134 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,309 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,566 |
| Battle to Country | 0 | - | 4.91 | 53,886 |
| Monarchies of Europe | 0 | - | 4.90 | 98,757 |
| Monarchies of Asia | 0 | - | 4.97 | 71,450 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,085 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,235 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,067 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,050 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,365 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,723 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,863 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 274,398 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,897 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,000 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,481 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 78,655 |
| Random Countries by Borders | 0 | - | 4.99 | 82,960 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,968 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,432 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,734 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,425 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,201 |
| Island Countries | 0 | - | 4.99 | 712,227 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,802 |
| Himalayan Countries | 0 | - | 4.93 | 139,890 |
| Andean Countries | 0 | - | 4.94 | 85,243 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,418 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,747 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,985 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,289 |
| Danube Countries | 0 | - | 4.97 | 72,298 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,453 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,742 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,924 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,422 |
| European Landlocked Countries | 0 | - | 4.99 | 147,498 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,143 |
| Countries with the Most Species | 0 | - | 4.99 | 103,508 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,289 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,725 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,837 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,772 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,507 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,936 |
| Countries in the Alps | 0 | - | 4.87 | 118,649 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,420 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,679 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,903 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,932 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,854 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,169 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,293 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,794 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,360 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,098 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,808 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,680 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,480 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,714 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,806 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,593 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,543 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,634 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,534 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,350 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,926 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,457 |
| Largest Countries By Category | 0 | - | 4.97 | 158,726 |
| Countries by Countries | 0 | - | 4.96 | 63,545 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,391,612 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 145,230 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,151 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 71,403 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,374 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,650 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,017 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,053,714 |
| Northernmost Countries | 0 | - | 4.99 | 363,597 |
| Companies by Country | 0 | - | 4.61 | 120,105 |
| Countries of South America | 0 | - | 5.00 | 931,424 |
| Countries of Oceania | 0 | - | 5.00 | 1,061,812 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,886,442 |
| "Land" Countries | 0 | - | 4.98 | 338,177 |
| Five Richest Countries by Continent | 0 | - | 4.69 | 207,913 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 387,102 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,789 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,753 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,927 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,252 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 139,709 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,900 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,773 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,692 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,697 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,780 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,531 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,640 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,191 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,684 |
| Name a Valid African Country | 0 | - | 4.98 | 154,916 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,855 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,158 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,919 |
| Countries with Megacities | 0 | - | 4.99 | 266,650 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,631 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,987 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,929 |