| NATO Countries | 0 | - | 4.98 | 275,919 |
| EU Countries Quiz | 0 | - | 4.99 | 270,070 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,897 |
| Countries that Start with A | 0 | - | 4.97 | 2,147,335 |
| Countries that Start with B | 0 | - | 4.95 | 2,280,306 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,682 |
| Countries that Start with D | 0 | - | 4.96 | 701,800 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,808 |
| Countries that Start with G | 0 | - | 4.97 | 1,493,139 |
| Countries that Start with H | 0 | - | 4.96 | 598,170 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,514 |
| Countries that Start with J | 0 | - | 4.98 | 596,222 |
| Countries that Start with K | 0 | - | 4.97 | 809,572 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,127 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,994 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,777 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,820 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,381 |
| Countries that Start with U | 0 | - | 4.97 | 900,051 |
| Countries that Start with V | 0 | - | 4.98 | 605,216 |
| Countries that Start with F | 0 | - | 4.83 | 612,354 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,605 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,121 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,652 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,064 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,482 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,125 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,811 |
| Countries with NO Military | 0 | - | 4.97 | 61,208 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,928 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,025 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,937,228 |
| One Country By Letter By Continent | 0 | - | 5.00 | 121,761 |
| Landlocked Countries | 0 | - | 4.99 | 413,803 |
| OPEC Countries | 0 | - | 4.74 | 84,829 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,137 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,950 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,509 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,312 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,768 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,159 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,956 |
| Buddhist Countries | 0 | - | 4.96 | 142,985 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,138 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,718,790 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,083 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,671 |
| Himalayan Countries | 0 | - | 4.95 | 135,432 |
| Andean Countries | 0 | - | 4.94 | 82,855 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,249 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,249 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,934 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,629 |
| Danube Countries | 0 | - | 4.97 | 71,097 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,782 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,551 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,523 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,443 |
| European Landlocked Countries | 0 | - | 4.99 | 145,774 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,239 |
| Countries with the Most Species | 0 | - | 4.99 | 95,253 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,379 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,204 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,374 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,968 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,583 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,964 |
| Countries in the Alps | 0 | - | 4.86 | 116,857 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,585 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,287 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,024 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,437 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,192 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,021 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,600 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,775 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,379 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,079 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,201 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,053 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,461 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,768 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,768 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,110 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,664 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,265 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,083 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,793 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,406 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,734 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,613 |
| Largest Countries By Category | 0 | - | 4.97 | 156,795 |
| Orthodox Countries | 0 | - | 4.91 | 130,429 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,205 |
| Countries by Countries | 0 | - | 4.96 | 62,272 |
| Richest Island Countries | 0 | - | 4.84 | 99,552 |
| Battle to Country | 0 | - | 4.91 | 52,557 |
| Monarchies of Europe | 0 | - | 4.90 | 97,353 |
| Monarchies of Asia | 0 | - | 4.97 | 70,615 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,653 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,911 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,415 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,419 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,499 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,969 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,338 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,788 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,442 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,305 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,206 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,535 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,568 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,679 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,215 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,982 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,745 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,911 |
| Countries that Start with R | 0 | - | 4.43 | 443,743 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,630 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,954 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,503 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,011 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,354 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,305 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,178 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,951 |
| Island Countries | 0 | - | 4.99 | 707,706 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,362,848 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,724 |
| Northernmost Countries | 0 | - | 4.99 | 357,841 |
| Countries of South America | 0 | - | 5.00 | 915,159 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,959 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,849,202 |
| "Land" Countries | 0 | - | 4.98 | 333,704 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,441 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,114 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,353 |
| Communist Countries in History | 0 | - | 4.63 | 492,624 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,278 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,144 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,508 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,920 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,293 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,475 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,098 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,452 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,753 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,404 |
| Countries with Megacities | 0 | - | 4.99 | 247,186 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,245 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,061 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,680 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,981 |
| Countries by Official Language | 0 | - | 4.95 | 192,809 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,179 |
| Countries in their Native Language | 0 | - | 4.99 | 196,678 |
| Independence from Whom | 0 | - | 4.99 | 209,754 |
| Subdivisions by Country | 0 | - | 4.86 | 50,075 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,804 |
| Megadiverse Countries | 0 | - | 4.97 | 133,919 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,837 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,924 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,432 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,866 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,693 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,021 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,072 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,163 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,222 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,752 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,625 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,437 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,508 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,511 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,699 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,033 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,638 |
| World Map Quiz | 0 | - | 4.81 | 63,522 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,791 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,354 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,396 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,019 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,975 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,828 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,879 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,085 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,297 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,958 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,351 |
| Widest Countries East to West | 0 | - | 4.92 | 128,624 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,219 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,253 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,580 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,702 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,656 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,069 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,054 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,589 |
| Countries with Double Letters | 0 | - | 4.97 | 93,425 |
| Countries that End in N | 0 | - | 4.94 | 156,920 |
