| Majority Muslim Countries | 0 | - | 4.98 | 372,005 |
| NATO Countries | 0 | - | 4.98 | 278,215 |
| EU Countries Quiz | 0 | - | 4.99 | 271,770 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,487 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 270,547 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,118 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,496 |
| Countries with NO Military | 0 | - | 4.97 | 61,662 |
| Countries with the Top Chess Players | 0 | - | 4.53 | 75,467 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,207 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,180,366 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,340 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,806 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,129 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,466 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,792 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,549 |
| Buddhist Countries | 0 | - | 4.96 | 143,435 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,019 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,799 |
| Landlocked Countries | 0 | - | 4.99 | 416,883 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,742,159 |
| Countries that Start with A | 0 | - | 4.98 | 2,154,431 |
| Countries that Start with B | 0 | - | 4.95 | 2,286,634 |
| Countries that Start with C | 0 | - | 4.96 | 1,815,764 |
| Countries that Start with D | 0 | - | 4.96 | 705,293 |
| Countries that Start with E | 0 | - | 4.95 | 1,371,994 |
| Countries that Start with G | 0 | - | 4.97 | 1,497,524 |
| Countries that Start with H | 0 | - | 4.96 | 601,069 |
| Countries that Start with I | 0 | - | 4.92 | 1,283,895 |
| Countries that Start with J | 0 | - | 4.98 | 599,056 |
| Countries that Start with K | 0 | - | 4.97 | 812,224 |
| Countries that Start with L | 0 | - | 4.98 | 1,086,361 |
| Countries that Start with N | 0 | - | 4.93 | 1,113,358 |
| Countries that Start with P | 0 | - | 4.94 | 1,212,189 |
| Countries that Start with S | 0 | - | 4.98 | 1,749,338 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,853 |
| Countries that Start with U | 0 | - | 4.97 | 902,060 |
| Countries that Start with V | 0 | - | 4.98 | 607,245 |
| Countries that Start with F | 0 | - | 4.83 | 614,750 |
| Countries that Start with M | 0 | - | 4.97 | 1,377,192 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,683 |
| Orthodox Countries | 0 | - | 4.92 | 130,976 |
| Richest Island Countries | 0 | - | 4.84 | 99,995 |
| Monarchies of Europe | 0 | - | 4.90 | 97,715 |
| Monarchies of Asia | 0 | - | 4.97 | 70,849 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,772 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,883 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,126 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,646 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,850 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,751 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,079 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,841 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,008 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 268,724 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 103,724 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,113 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,141 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,522 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,922 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,093 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,903 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,929 |
| Island Countries | 0 | - | 4.99 | 708,895 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,035 |
| Himalayan Countries | 0 | - | 4.95 | 136,592 |
| Andean Countries | 0 | - | 4.95 | 83,538 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,792 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,068 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,467 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,056 |
| Danube Countries | 0 | - | 4.97 | 71,453 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,260 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,865 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,205 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,184 |
| European Landlocked Countries | 0 | - | 4.99 | 146,151 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,810 |
| Countries with the Most Species | 0 | - | 4.99 | 102,022 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,934 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,342 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,520 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,178 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,827 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,206 |
| Countries in the Alps | 0 | - | 4.86 | 117,364 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,924 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,946 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,271 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,766 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,853 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,276 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,009 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,005 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,824 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,356 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,373 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,215 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,743 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,018 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,024 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,763 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,911 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,442 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,268 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,117 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,626 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,842 |
| Largest Countries By Category | 0 | - | 4.97 | 157,300 |
| Countries by Countries | 0 | - | 4.96 | 62,612 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,371,037 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,106 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,599 |
| Northernmost Countries | 0 | - | 4.99 | 359,473 |
| Countries of South America | 0 | - | 5.00 | 919,959 |
| Countries of Oceania | 0 | - | 5.00 | 1,047,304 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,859,466 |
| "Land" Countries | 0 | - | 4.98 | 334,690 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,487 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,437 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,585 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,663 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,534 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,697 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,686 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,243 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,237 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,923 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,365 |
| Countries with Megacities | 0 | - | 4.99 | 249,119 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,224 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,588 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,552 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,558 |
| Countries by Official Language | 0 | - | 4.95 | 194,060 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,772 |
| Countries in their Native Language | 0 | - | 4.99 | 197,669 |
| Independence from Whom | 0 | - | 4.99 | 210,861 |
| Subdivisions by Country | 0 | - | 4.86 | 50,210 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,376 |
| Megadiverse Countries | 0 | - | 4.96 | 134,559 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,877 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,086 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,640 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,954 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,463 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,239 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,632 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,563 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,384 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,809 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,300 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,591 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,694 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,657 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,870 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,218 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,628 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,724 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,092 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,689 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,419 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,750 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,295 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,482 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,649 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,157 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,653 |
| Widest Countries East to West | 0 | - | 4.92 | 129,158 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,333 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,685 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,933 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,968 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,993 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,377 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,121 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,680 |
| One Country By Letter By Continent | 0 | - | 5.00 | 122,749 |
| Countries with Double Letters | 0 | - | 4.96 | 94,203 |
| Countries that End in N | 0 | - | 4.95 | 167,045 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,656 |
| Countries with Six Letters | 0 | - | 4.93 | 211,196 |
| Countries with W | 0 | - | 4.97 | 158,875 |
| Countries with Z | 0 | - | 4.98 | 288,858 |
| Countries with Letters Missing | 0 | - | 4.97 | 185,085 |
| Countries That End in U | 0 | - | 4.95 | 119,961 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,201 |
| Countries that End in O | 0 | - | 4.92 | 158,890 |
| Countries that End in R | 0 | - | 4.87 | 118,523 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,300 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,807 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,774 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,832 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,405 |
| Countries That End in Y | 0 | - | 4.90 | 185,449 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,875 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,112 |
| Countries that End in I | 0 | - | 4.94 | 134,684 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,725 |