| Countries that Start with A | 0 | - | 4.98 | 2,179,920 |
| Countries that Start with B | 0 | - | 4.95 | 2,310,569 |
| Countries that Start with C | 0 | - | 4.96 | 1,834,635 |
| Countries that Start with D | 0 | - | 4.96 | 718,639 |
| Countries that Start with E | 0 | - | 4.95 | 1,387,705 |
| Countries that Start with G | 0 | - | 4.97 | 1,514,344 |
| Countries that Start with H | 0 | - | 4.96 | 611,177 |
| Countries that Start with I | 0 | - | 4.92 | 1,296,781 |
| Countries that Start with J | 0 | - | 4.98 | 608,483 |
| Countries that Start with K | 0 | - | 4.97 | 822,383 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,853 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,975 |
| Countries that Start with P | 0 | - | 4.94 | 1,224,089 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,904 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,497 |
| Countries that Start with U | 0 | - | 4.97 | 909,731 |
| Countries that Start with V | 0 | - | 4.98 | 612,915 |
| Countries that Start with F | 0 | - | 4.83 | 622,504 |
| Countries that Start with M | 0 | - | 4.97 | 1,390,446 |
| One Country By Letter By Continent | 0 | - | 5.00 | 126,216 |
| Countries Bordering "U" Countries | 0 | - | 4.83 | 24,998 |
| Countries that Start with R | 0 | - | 4.44 | 451,183 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,401 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,810 |
| NATO Countries | 0 | - | 4.98 | 284,371 |
| EU Countries Quiz | 0 | - | 4.99 | 279,302 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 292,248 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 278,449 |
| Top Five Countries by Religion | 0 | - | 4.93 | 174,022 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 150,185 |
| Countries with NO Military | 0 | - | 4.97 | 63,713 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,266 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,023,661 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,699 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,658 |
| Countries with the Most Christians | 0 | - | 4.93 | 145,073 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,562 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,347 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,308 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,451 |
| Buddhist Countries | 0 | - | 4.96 | 145,356 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 125,214 |
| Landlocked Countries | 0 | - | 4.99 | 427,928 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,817,120 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,981 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,759 |
| Orthodox Countries | 0 | - | 4.92 | 133,049 |
| Richest Island Countries | 0 | - | 4.85 | 101,499 |
| Battle to Country | 0 | - | 4.91 | 54,182 |
| Monarchies of Europe | 0 | - | 4.90 | 99,113 |
| Monarchies of Asia | 0 | - | 4.97 | 71,657 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,837 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,649 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 194,202 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,459 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,400 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,484 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,551 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,847 |
| Countries by Oil Consumption | 0 | - | 4.96 | 125,487 |
| Largest Economies in 2050 | 0 | - | 4.88 | 112,163 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 276,033 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,308 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 85,374 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,798 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,471 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,334 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,886 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,196 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,326 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,437 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,228 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,238 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,770 |
| Island Countries | 0 | - | 4.99 | 713,320 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,217 |
| Himalayan Countries | 0 | - | 4.93 | 141,098 |
| Andean Countries | 0 | - | 4.94 | 85,951 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,049 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,693 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,601 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,792 |
| Danube Countries | 0 | - | 4.97 | 72,630 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,900 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,041 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,591 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 151,065 |
| European Landlocked Countries | 0 | - | 4.99 | 147,845 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,644 |
| Countries with the Most Species | 0 | - | 4.99 | 103,687 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,748 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,840 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,985 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,972 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,725 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,206 |
| Countries in the Alps | 0 | - | 4.87 | 119,081 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,179 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,291 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,105 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,236 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,216 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,437 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,662 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,052 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,553 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,366 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,988 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,861 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,724 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,983 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,085 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,317 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,776 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,907 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,939 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,671 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,752 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,657 |
| Largest Countries By Category | 0 | - | 4.97 | 159,221 |
| Countries by Countries | 0 | - | 4.97 | 63,873 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 93,029 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,399,122 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,471 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,558 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,467 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,727 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,314 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,984 |
| Northernmost Countries | 0 | - | 4.99 | 364,946 |
| Countries of South America | 0 | - | 5.00 | 935,210 |
| Countries of Oceania | 0 | - | 5.00 | 1,066,806 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,895,363 |
| "Land" Countries | 0 | - | 4.98 | 339,228 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,159 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 128,061 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,849 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 155,133 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,796 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,800 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,451 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.92 | 95,841 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,457,184 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,290 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,725 |
| Countries with Megacities | 0 | - | 4.99 | 268,307 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,350 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,448 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,699 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,558 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,741 |
| Countries by Official Language | 0 | - | 4.95 | 196,366 |
| All OPEC Countries Ever | 0 | - | 4.70 | 100,537 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 298,140 |
| Countries in their Native Language | 0 | - | 4.99 | 200,077 |
| Independence from Whom | 0 | - | 4.99 | 213,598 |
| Subdivisions by Country | 0 | - | 4.87 | 50,689 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,792 |
| Countries in World War I | 0 | - | 4.88 | 229,546 |
| Megadiverse Countries | 0 | - | 4.96 | 149,915 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,892 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,242 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,609 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,874 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,278 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,581 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,972 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,399 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,666 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,227 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,304 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,941 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,536 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,546 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,261 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,816 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,686 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 72,024 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,949 |
| World Map Quiz | 0 | - | 4.81 | 66,013 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 160,292 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,883 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,679 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,315 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,796 |
| Countries With the Most Languages | 0 | - | 4.90 | 204,121 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,640 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,761 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,920 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,794 |
| Tallest Countries North to South | 0 | - | 4.85 | 131,042 |
| Widest Countries East to West | 0 | - | 4.92 | 130,924 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,641 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,493 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,595 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,215 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,516 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,677 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,556 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,936 |