| Majority Muslim Countries | 0 | - | 4.98 | 375,142 |
| NATO Countries | 0 | - | 4.98 | 281,164 |
| EU Countries Quiz | 0 | - | 4.99 | 275,085 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,001 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 273,981 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,005 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,801 |
| Countries with NO Military | 0 | - | 4.97 | 62,527 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,732 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,538,186 |
| Landlocked Countries | 0 | - | 4.99 | 421,428 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,262 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,769 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,467 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,573 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,659 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,865 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,410 |
| Buddhist Countries | 0 | - | 4.96 | 144,507 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,769 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,774,697 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,179 |
| Himalayan Countries | 0 | - | 4.95 | 138,473 |
| Andean Countries | 0 | - | 4.93 | 84,467 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,660 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,633 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,292 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,694 |
| Danube Countries | 0 | - | 4.97 | 71,943 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,932 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,359 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,183 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,646 |
| European Landlocked Countries | 0 | - | 4.99 | 147,068 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,528 |
| Countries with the Most Species | 0 | - | 4.99 | 103,177 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,675 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,551 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,696 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,500 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,179 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,599 |
| Countries in the Alps | 0 | - | 4.87 | 118,117 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,706 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,927 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,605 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,541 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,425 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,902 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,597 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,444 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,141 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,794 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,618 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,482 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,166 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,419 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,460 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,754 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,253 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 62,417 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,664 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,975 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,648 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,935 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,176 |
| Largest Countries By Category | 0 | - | 4.97 | 158,102 |
| Orthodox Countries | 0 | - | 4.92 | 132,151 |
| Countries by Countries | 0 | - | 4.96 | 63,133 |
| Richest Island Countries | 0 | - | 4.85 | 100,695 |
| Monarchies of Europe | 0 | - | 4.90 | 98,261 |
| Monarchies of Asia | 0 | - | 4.97 | 71,158 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,451 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,019 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,614 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,966 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,569 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,565 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,876 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,489 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,553 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 272,177 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,444 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,653 |
| Countries that Start with A | 0 | - | 4.98 | 2,165,058 |
| Countries that Start with B | 0 | - | 4.95 | 2,296,628 |
| Countries that Start with C | 0 | - | 4.96 | 1,823,879 |
| Countries that Start with D | 0 | - | 4.96 | 710,926 |
| Countries that Start with E | 0 | - | 4.95 | 1,378,657 |
| Countries that Start with G | 0 | - | 4.97 | 1,504,916 |
| Countries that Start with H | 0 | - | 4.96 | 605,683 |
| Countries that Start with I | 0 | - | 4.92 | 1,289,475 |
| Countries that Start with J | 0 | - | 4.98 | 603,311 |
| Countries that Start with K | 0 | - | 4.97 | 816,786 |
| Countries that Start with L | 0 | - | 4.98 | 1,091,870 |
| Countries that Start with N | 0 | - | 4.93 | 1,118,897 |
| Countries that Start with P | 0 | - | 4.94 | 1,217,307 |
| Countries that Start with S | 0 | - | 4.98 | 1,756,504 |
| Countries that Start with T | 0 | - | 4.90 | 1,010,764 |
| Countries that Start with U | 0 | - | 4.97 | 905,238 |
| Countries that Start with V | 0 | - | 4.98 | 609,848 |
| Countries that Start with F | 0 | - | 4.83 | 618,302 |
| Countries that Start with M | 0 | - | 4.97 | 1,382,963 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,918 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,392 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,503 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,117 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,354 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,876 |
| Island Countries | 0 | - | 4.99 | 710,833 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,382,265 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,119 |
| Northernmost Countries | 0 | - | 4.99 | 361,708 |
| Countries of South America | 0 | - | 5.00 | 926,543 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,858 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,875,468 |
| "Land" Countries | 0 | - | 4.98 | 337,161 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,296 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,324 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,003 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,243 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,159 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,054 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,334 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,479 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,265 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,757 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,748 |
| Countries with Megacities | 0 | - | 4.99 | 264,210 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,600 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,395 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,863 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,460 |
| Countries by Official Language | 0 | - | 4.95 | 195,141 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,218 |
| Countries in their Native Language | 0 | - | 4.99 | 198,933 |
| Independence from Whom | 0 | - | 4.99 | 211,958 |
| Subdivisions by Country | 0 | - | 4.86 | 50,400 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,635 |
| Megadiverse Countries | 0 | - | 4.96 | 134,968 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,982 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,320 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,019 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,089 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,042 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,562 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,385 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,996 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,615 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,090 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,568 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,845 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,169 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,931 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,320 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,464 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,295 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,985 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,213 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,935 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,068 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,826 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,961 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,253 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,409 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,525 |
| Widest Countries East to West | 0 | - | 4.92 | 129,594 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,436 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,322 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,100 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,728 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,531 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,801 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,351 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,789 |
| Countries with Double Letters | 0 | - | 4.96 | 96,091 |
| Countries that End in N | 0 | - | 4.95 | 170,976 |
| Countries with Five Letters | 0 | - | 4.96 | 282,168 |
| Countries with Six Letters | 0 | - | 4.94 | 213,396 |
| Countries with W | 0 | - | 4.97 | 160,220 |
| Countries with Z | 0 | - | 4.98 | 291,279 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,573 |
| Countries That End in U | 0 | - | 4.95 | 120,778 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,344 |
| Countries that End in O | 0 | - | 4.92 | 159,464 |
| Countries that End in R | 0 | - | 4.87 | 118,929 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,687 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,947 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,610 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,410 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,332 |
| Countries That End in Y | 0 | - | 4.91 | 185,837 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,817 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,776 |
| Countries that End in I | 0 | - | 4.94 | 135,050 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,992 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,773 |
| Countries That End in NIA | 0 | - | 4.92 | 109,723 |
| Countries That End in BIA | 0 | - | 4.93 | 149,132 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,033 |