| Countries with the Most Military Troops | 0 | - | 4.95 | 288,944 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 273,915 |
| Countries with NO Military | 0 | - | 4.97 | 62,509 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,556 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,530,511 |
| Majority Muslim Countries | 0 | - | 4.98 | 375,065 |
| NATO Countries | 0 | - | 4.98 | 281,076 |
| EU Countries Quiz | 0 | - | 4.99 | 274,989 |
| Top Five Countries by Religion | 0 | - | 4.93 | 171,966 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,769 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,720 |
| Landlocked Countries | 0 | - | 4.99 | 421,321 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,450 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,651 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,857 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,125 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,393 |
| Buddhist Countries | 0 | - | 4.96 | 144,492 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,722 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,747 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,773,807 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,179 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,792 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,861 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,675 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,315 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,322 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,692 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,358 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,268 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,104 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,356 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,702 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,341 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,126 |
| Himalayan Countries | 0 | - | 4.95 | 138,427 |
| Andean Countries | 0 | - | 4.93 | 84,437 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,649 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,603 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,278 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,676 |
| Countries in World War I | 0 | - | 4.88 | 228,328 |
| Danube Countries | 0 | - | 4.97 | 71,931 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,917 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,347 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,161 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,620 |
| European Landlocked Countries | 0 | - | 4.99 | 147,060 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,508 |
| Countries with the Most Species | 0 | - | 4.99 | 103,167 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,215 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,662 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,546 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,689 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,495 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,174 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,586 |
| Countries in the Alps | 0 | - | 4.87 | 118,094 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,630 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,912 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,602 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,529 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,416 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,893 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,582 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,437 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,137 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,781 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,613 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,470 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,155 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,411 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,447 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,735 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,243 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 61,700 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,947 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,592 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,909 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,166 |
| Largest Countries By Category | 0 | - | 4.97 | 158,087 |
| Countries by Countries | 0 | - | 4.96 | 63,118 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,603 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,046 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,324 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,799 |
| Island Countries | 0 | - | 4.99 | 710,789 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,001 |
| Northernmost Countries | 0 | - | 4.99 | 361,659 |
| Countries of South America | 0 | - | 5.00 | 926,346 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,600 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,875,082 |
| "Land" Countries | 0 | - | 4.98 | 337,128 |
| Countries that Start with A | 0 | - | 4.98 | 2,164,838 |
| Countries that Start with B | 0 | - | 4.95 | 2,296,435 |
| Countries that Start with C | 0 | - | 4.96 | 1,823,717 |
| Countries that Start with D | 0 | - | 4.96 | 710,813 |
| Countries that Start with E | 0 | - | 4.95 | 1,378,512 |
| Countries that Start with G | 0 | - | 4.97 | 1,504,763 |
| Countries that Start with H | 0 | - | 4.96 | 605,603 |
| Countries that Start with I | 0 | - | 4.92 | 1,289,364 |
| Countries that Start with J | 0 | - | 4.98 | 603,236 |
| Countries that Start with K | 0 | - | 4.97 | 816,712 |
| Countries that Start with L | 0 | - | 4.98 | 1,091,772 |
| Countries that Start with N | 0 | - | 4.93 | 1,118,788 |
| Countries that Start with P | 0 | - | 4.94 | 1,217,205 |
| Countries that Start with S | 0 | - | 4.98 | 1,756,362 |
| Countries that Start with T | 0 | - | 4.90 | 1,010,683 |
| Countries that Start with U | 0 | - | 4.97 | 905,175 |
| Countries that Start with V | 0 | - | 4.98 | 609,807 |
| Countries that Start with F | 0 | - | 4.83 | 618,249 |
| Countries that Start with M | 0 | - | 4.97 | 1,382,859 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,158 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,644 |
| Orthodox Countries | 0 | - | 4.92 | 132,126 |
| Richest Island Countries | 0 | - | 4.85 | 100,678 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,382,013 |
| Monarchies of Europe | 0 | - | 4.90 | 98,244 |
| Monarchies of Asia | 0 | - | 4.97 | 71,151 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,002 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,957 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,554 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,551 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,865 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,481 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,543 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 272,114 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,434 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,648 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,905 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,376 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,835 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,973 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,703 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,127 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,166 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,490 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,725 |
| Countries with Megacities | 0 | - | 4.99 | 264,153 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,570 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,384 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,831 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,443 |
| Countries by Official Language | 0 | - | 4.95 | 195,116 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,188 |
| Countries in their Native Language | 0 | - | 4.99 | 198,900 |
| Independence from Whom | 0 | - | 4.99 | 211,935 |
| Subdivisions by Country | 0 | - | 4.86 | 50,398 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,614 |
| Megadiverse Countries | 0 | - | 4.96 | 134,955 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,964 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,310 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,922 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,086 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,025 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,556 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,368 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,991 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,608 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,064 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,541 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,839 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,158 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,926 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,284 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,306 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,998 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,283 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,963 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,199 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,920 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,030 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,818 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,948 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,247 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,403 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,521 |
| Widest Countries East to West | 0 | - | 4.92 | 129,583 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,435 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,308 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,097 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,720 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,517 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,792 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,344 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,786 |
| Countries with Double Letters | 0 | - | 4.96 | 96,056 |
| Countries that End in N | 0 | - | 4.95 | 170,946 |
| Countries with Five Letters | 0 | - | 4.96 | 282,127 |
| Countries with Six Letters | 0 | - | 4.94 | 213,372 |
| Countries with W | 0 | - | 4.97 | 160,190 |
| Countries with Z | 0 | - | 4.98 | 291,249 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,552 |
| Countries That End in U | 0 | - | 4.95 | 120,770 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,322 |
| Countries that End in O | 0 | - | 4.92 | 159,459 |
| Countries that End in R | 0 | - | 4.87 | 118,923 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,683 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,929 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,598 |