| Majority Muslim Countries | 0 | - | 4.98 | 373,753 |
| NATO Countries | 0 | - | 4.98 | 279,770 |
| EU Countries Quiz | 0 | - | 4.99 | 273,448 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,881 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 272,499 |
| Top Five Countries by Religion | 0 | - | 4.93 | 171,047 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,177 |
| Countries with NO Military | 0 | - | 4.97 | 62,095 |
| Countries with the Top Chess Players | 0 | - | 4.53 | 75,678 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,474 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,393,903 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,004 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,276 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,463 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,721 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,278 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,042 |
| Buddhist Countries | 0 | - | 4.96 | 144,216 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,190 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,389 |
| Landlocked Countries | 0 | - | 4.99 | 419,696 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,761,916 |
| Countries that Start with A | 0 | - | 4.98 | 2,160,812 |
| Countries that Start with B | 0 | - | 4.95 | 2,292,571 |
| Countries that Start with C | 0 | - | 4.96 | 1,820,602 |
| Countries that Start with D | 0 | - | 4.96 | 708,613 |
| Countries that Start with E | 0 | - | 4.95 | 1,376,004 |
| Countries that Start with G | 0 | - | 4.97 | 1,501,947 |
| Countries that Start with H | 0 | - | 4.96 | 603,931 |
| Countries that Start with I | 0 | - | 4.92 | 1,287,125 |
| Countries that Start with J | 0 | - | 4.98 | 601,685 |
| Countries that Start with K | 0 | - | 4.97 | 815,017 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,806 |
| Countries that Start with N | 0 | - | 4.93 | 1,116,782 |
| Countries that Start with P | 0 | - | 4.94 | 1,215,220 |
| Countries that Start with S | 0 | - | 4.98 | 1,753,518 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,092 |
| Countries that Start with U | 0 | - | 4.97 | 903,920 |
| Countries that Start with V | 0 | - | 4.98 | 608,905 |
| Countries that Start with F | 0 | - | 4.83 | 616,944 |
| Countries that Start with M | 0 | - | 4.97 | 1,380,606 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,261 |
| Orthodox Countries | 0 | - | 4.92 | 131,456 |
| Richest Island Countries | 0 | - | 4.84 | 100,412 |
| Monarchies of Europe | 0 | - | 4.90 | 98,055 |
| Monarchies of Asia | 0 | - | 4.97 | 71,039 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,847 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,820 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,699 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,828 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,267 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,275 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,558 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,352 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,370 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 270,993 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,180 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,463 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,610 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,067 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,267 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,656 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,815 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,716 |
| Island Countries | 0 | - | 4.99 | 710,081 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,311 |
| Himalayan Countries | 0 | - | 4.95 | 137,748 |
| Andean Countries | 0 | - | 4.95 | 84,092 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,328 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,863 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,960 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,440 |
| Danube Countries | 0 | - | 4.97 | 71,737 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,663 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,138 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,791 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,873 |
| European Landlocked Countries | 0 | - | 4.99 | 146,862 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,236 |
| Countries with the Most Species | 0 | - | 4.99 | 103,001 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,394 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,458 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,618 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,369 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,042 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,438 |
| Countries in the Alps | 0 | - | 4.87 | 117,814 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,215 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,532 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,468 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,277 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,203 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,780 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,372 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,261 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,022 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,625 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,524 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,371 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,992 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,259 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,276 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,347 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,116 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,622 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,659 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,728 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,438 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,042 |
| Largest Countries By Category | 0 | - | 4.97 | 157,783 |
| Countries by Countries | 0 | - | 4.96 | 62,923 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,377,525 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,409 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,913 |
| Northernmost Countries | 0 | - | 4.99 | 360,850 |
| Countries of South America | 0 | - | 5.00 | 923,997 |
| Countries of Oceania | 0 | - | 5.00 | 1,052,632 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,869,183 |
| "Land" Countries | 0 | - | 4.98 | 335,985 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,090 |
| Richest Countries A-Z | 0 | - | 4.91 | 102,912 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,841 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,035 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,906 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,925 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,084 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,373 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,453 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,016 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,247 |
| Countries with Megacities | 0 | - | 4.99 | 262,369 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,080 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,111 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,386 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,163 |
| Countries by Official Language | 0 | - | 4.95 | 194,793 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,741 |
| Countries in their Native Language | 0 | - | 4.99 | 198,334 |
| Independence from Whom | 0 | - | 4.99 | 211,530 |
| Subdivisions by Country | 0 | - | 4.86 | 50,321 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,848 |
| Megadiverse Countries | 0 | - | 4.96 | 134,821 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,665 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,219 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,792 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,036 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,806 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,431 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,085 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,890 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,530 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,016 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,170 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,761 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,037 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,827 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,199 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,371 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,411 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,113 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,653 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,018 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,745 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,572 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,614 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,763 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,901 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,314 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,352 |
| Widest Countries East to West | 0 | - | 4.92 | 129,440 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,405 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,056 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,028 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,579 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,316 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,629 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,274 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,741 |
| One Country By Letter By Continent | 0 | - | 5.00 | 123,655 |
| Countries with Double Letters | 0 | - | 4.97 | 95,237 |
| Countries that End in N | 0 | - | 4.95 | 170,239 |
| Countries with Five Letters | 0 | - | 4.96 | 280,964 |
| Countries with Six Letters | 0 | - | 4.94 | 212,679 |
| Countries with W | 0 | - | 4.97 | 159,629 |
| Countries with Z | 0 | - | 4.98 | 290,361 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,869 |
| Countries That End in U | 0 | - | 4.95 | 120,465 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,887 |
| Countries that End in O | 0 | - | 4.92 | 159,248 |
| Countries that End in R | 0 | - | 4.87 | 118,764 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,543 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,476 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,234 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,153 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,757 |
| Countries That End in Y | 0 | - | 4.91 | 185,681 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,406 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,517 |
| Countries that End in I | 0 | - | 4.94 | 134,909 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,500 |