| NATO Countries | 0 | - | 4.98 | 281,635 |
| EU Countries Quiz | 0 | - | 4.99 | 275,655 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,633,581 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,603,716 |
| Majority Muslim Countries | 0 | - | 4.98 | 375,657 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,426 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,587 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,276 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,993 |
| Countries with NO Military | 0 | - | 4.97 | 62,665 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,806 |
| Landlocked Countries | 0 | - | 4.99 | 422,243 |
| All OPEC Countries Ever | 0 | - | 4.74 | 99,287 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,618 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,715 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,749 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,922 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,813 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,537 |
| Buddhist Countries | 0 | - | 4.96 | 144,632 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,981 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,010 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,780,566 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,622 |
| Himalayan Countries | 0 | - | 4.95 | 138,865 |
| Andean Countries | 0 | - | 4.93 | 84,687 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,889 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,933 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,517 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,861 |
| Danube Countries | 0 | - | 4.97 | 72,045 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,060 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,457 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,366 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,852 |
| European Landlocked Countries | 0 | - | 4.99 | 147,176 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,695 |
| Countries with the Most Species | 0 | - | 4.99 | 103,267 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,815 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,607 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,733 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,565 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,254 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,694 |
| Countries in the Alps | 0 | - | 4.87 | 118,250 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,278 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,082 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,679 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,626 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,547 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,968 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,703 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,518 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,201 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,878 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,670 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,542 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,250 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,502 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,552 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,969 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,335 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,111 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,128 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,080 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,202 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,255 |
| Largest Countries By Category | 0 | - | 4.97 | 158,259 |
| Countries by Countries | 0 | - | 4.96 | 63,261 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,724 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,299 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,574 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,696 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,777 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,585 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,510 |
| Island Countries | 0 | - | 4.99 | 711,144 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,194 |
| Northernmost Countries | 0 | - | 4.99 | 362,071 |
| Countries of South America | 0 | - | 5.00 | 927,707 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,433 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,878,125 |
| "Land" Countries | 0 | - | 4.98 | 337,411 |
| Countries that Start with A | 0 | - | 4.98 | 2,166,984 |
| Countries that Start with B | 0 | - | 4.95 | 2,298,364 |
| Countries that Start with C | 0 | - | 4.96 | 1,825,230 |
| Countries that Start with D | 0 | - | 4.96 | 711,917 |
| Countries that Start with E | 0 | - | 4.95 | 1,379,842 |
| Countries that Start with G | 0 | - | 4.97 | 1,506,111 |
| Countries that Start with H | 0 | - | 4.96 | 606,358 |
| Countries that Start with I | 0 | - | 4.92 | 1,290,386 |
| Countries that Start with J | 0 | - | 4.98 | 603,950 |
| Countries that Start with K | 0 | - | 4.97 | 817,495 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,741 |
| Countries that Start with N | 0 | - | 4.93 | 1,119,807 |
| Countries that Start with P | 0 | - | 4.94 | 1,218,178 |
| Countries that Start with S | 0 | - | 4.98 | 1,757,729 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,389 |
| Countries that Start with U | 0 | - | 4.97 | 905,733 |
| Countries that Start with V | 0 | - | 4.98 | 610,201 |
| Countries that Start with F | 0 | - | 4.83 | 618,839 |
| Countries that Start with M | 0 | - | 4.97 | 1,383,941 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,810 |
| Orthodox Countries | 0 | - | 4.92 | 132,265 |
| Richest Island Countries | 0 | - | 4.85 | 100,806 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,384,344 |
| Battle to Country | 0 | - | 4.91 | 53,545 |
| Monarchies of Europe | 0 | - | 4.90 | 98,363 |
| Monarchies of Asia | 0 | - | 4.97 | 71,230 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,738 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,655 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,666 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,154 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,033 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,679 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,668 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,002 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,535 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,609 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 272,683 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,538 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,731 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,030 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,511 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,614 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,025 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,966 |
| Countries with Megacities | 0 | - | 4.99 | 264,712 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,801 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,504 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,062 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,580 |
| Countries by Official Language | 0 | - | 4.95 | 195,303 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,453 |
| Countries in their Native Language | 0 | - | 4.99 | 199,093 |
| Independence from Whom | 0 | - | 4.99 | 212,162 |
| Subdivisions by Country | 0 | - | 4.86 | 50,439 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,775 |
| Megadiverse Countries | 0 | - | 4.96 | 135,039 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,141 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,375 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,249 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,118 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,169 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,612 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,510 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,049 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,673 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,155 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,719 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,902 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,221 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,984 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,369 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,508 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,393 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,710 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,481 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,262 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,074 |
| World Map Quiz | 0 | - | 4.81 | 65,138 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,681 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,419 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,377 |
| Communist Countries in History | 0 | - | 4.63 | 496,586 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,142 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,312 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,019 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,278 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,920 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,033 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,322 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,458 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,591 |
| Widest Countries East to West | 0 | - | 4.92 | 129,673 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,463 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,411 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,129 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,785 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,621 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,891 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,380 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,802 |
| Countries with Double Letters | 0 | - | 4.96 | 96,284 |
| Countries that End in N | 0 | - | 4.95 | 171,170 |
| Countries with Five Letters | 0 | - | 4.96 | 282,577 |
| Countries with Six Letters | 0 | - | 4.94 | 213,605 |
| Countries with W | 0 | - | 4.97 | 160,358 |
| Countries with Z | 0 | - | 4.98 | 291,514 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,739 |
| Countries That End in U | 0 | - | 4.95 | 120,865 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,496 |
| Countries that End in O | 0 | - | 4.92 | 159,519 |
| Countries that End in R | 0 | - | 4.87 | 118,976 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,738 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,144 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,712 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,487 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,413 |
| Countries That End in Y | 0 | - | 4.91 | 185,884 |
