| Countries with the Most Military Troops | 0 | - | 4.95 | 287,588 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 272,110 |
| Countries with NO Military | 0 | - | 4.97 | 62,016 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,186 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 51,421 |
| Majority Muslim Countries | 0 | - | 4.98 | 373,424 |
| NATO Countries | 0 | - | 4.98 | 279,453 |
| EU Countries Quiz | 0 | - | 4.99 | 273,088 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,859 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,062 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,430 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,350,930 |
| Landlocked Countries | 0 | - | 4.99 | 419,192 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,999 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,038 |
| Countries in World War I | 0 | - | 4.88 | 227,883 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,757 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,870 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,400 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,680 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,944 |
| Buddhist Countries | 0 | - | 4.96 | 144,132 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,261 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,758,194 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,094 |
| Himalayan Countries | 0 | - | 4.95 | 137,526 |
| Andean Countries | 0 | - | 4.95 | 83,989 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,259 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,732 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,881 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,381 |
| Danube Countries | 0 | - | 4.97 | 71,694 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,602 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,085 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,693 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,770 |
| European Landlocked Countries | 0 | - | 4.99 | 146,801 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,166 |
| Countries with the Most Species | 0 | - | 4.99 | 102,939 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,307 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,436 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,597 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,322 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,004 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,387 |
| Countries in the Alps | 0 | - | 4.87 | 117,725 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,159 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,412 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,435 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,024 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,132 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,731 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,308 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,211 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,980 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,574 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,499 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,349 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,948 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,207 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,229 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,238 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,081 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,583 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,163 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,558 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,483 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,277 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,015 |
| Largest Countries By Category | 0 | - | 4.97 | 157,677 |
| Orthodox Countries | 0 | - | 4.92 | 131,378 |
| Countries by Countries | 0 | - | 4.96 | 62,859 |
| Richest Island Countries | 0 | - | 4.84 | 100,341 |
| Monarchies of Europe | 0 | - | 4.90 | 97,991 |
| Monarchies of Asia | 0 | - | 4.97 | 71,005 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,641 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,590 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,343 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,792 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,194 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,162 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,477 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,314 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,314 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 270,586 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,098 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,398 |
| Countries that Start with A | 0 | - | 4.98 | 2,159,544 |
| Countries that Start with B | 0 | - | 4.95 | 2,291,477 |
| Countries that Start with C | 0 | - | 4.96 | 1,819,686 |
| Countries that Start with D | 0 | - | 4.96 | 707,954 |
| Countries that Start with E | 0 | - | 4.95 | 1,375,241 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,920 |
| Countries that Start with H | 0 | - | 4.96 | 603,386 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,471 |
| Countries that Start with J | 0 | - | 4.98 | 601,205 |
| Countries that Start with K | 0 | - | 4.97 | 814,536 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,216 |
| Countries that Start with N | 0 | - | 4.93 | 1,116,186 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,667 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,778 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,707 |
| Countries that Start with U | 0 | - | 4.97 | 903,551 |
| Countries that Start with V | 0 | - | 4.98 | 608,584 |
| Countries that Start with F | 0 | - | 4.83 | 616,521 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,970 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,528 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,980 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,199 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,186 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,667 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,227 |
| Island Countries | 0 | - | 4.99 | 709,859 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,024 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,376,230 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,316 |
| Northernmost Countries | 0 | - | 4.99 | 360,579 |
| Countries of South America | 0 | - | 5.00 | 923,211 |
| Countries of Oceania | 0 | - | 5.00 | 1,051,543 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,867,073 |
| "Land" Countries | 0 | - | 4.98 | 335,844 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,006 |
| Richest Countries A-Z | 0 | - | 4.91 | 102,813 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,791 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,974 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,833 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,885 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,999 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,354 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,622 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,814 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,097 |
| Countries with Megacities | 0 | - | 4.99 | 261,067 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,953 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,029 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,231 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,047 |
| Countries by Official Language | 0 | - | 4.95 | 194,675 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,593 |
| Countries in their Native Language | 0 | - | 4.99 | 198,224 |
| Independence from Whom | 0 | - | 4.99 | 211,376 |
| Subdivisions by Country | 0 | - | 4.86 | 50,298 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,752 |
| Megadiverse Countries | 0 | - | 4.96 | 134,785 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,576 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,196 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,763 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,024 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,731 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,398 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,011 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,858 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,501 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,998 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,036 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,728 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,006 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,793 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,166 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,334 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,056 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,554 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,954 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,671 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,391 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,544 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,694 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,848 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,278 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,306 |
| Widest Countries East to West | 0 | - | 4.92 | 129,394 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,387 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,981 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,998 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,529 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,243 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,570 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,245 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,730 |
| Countries with Double Letters | 0 | - | 4.97 | 95,123 |
| Countries that End in N | 0 | - | 4.95 | 170,061 |
| Countries with Five Letters | 0 | - | 4.96 | 280,455 |
| Countries with Six Letters | 0 | - | 4.94 | 212,529 |
| Countries with W | 0 | - | 4.97 | 159,542 |
| Countries with Z | 0 | - | 4.98 | 289,858 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,782 |
| Countries That End in U | 0 | - | 4.95 | 120,424 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,787 |
| Countries that End in O | 0 | - | 4.92 | 159,211 |
| Countries that End in R | 0 | - | 4.87 | 118,744 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,521 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,373 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,138 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,100 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,689 |
| Countries That End in Y | 0 | - | 4.91 | 185,654 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,260 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,457 |
| Countries that End in I | 0 | - | 4.94 | 134,881 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,116 |