| Independence from Whom | 0 | - | 4.99 | 210,648 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,277 |
| Countries in World War I | 0 | - | 4.88 | 227,367 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,199 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,201 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,530 |
| Battle to Country | 0 | - | 4.91 | 52,880 |
| Majority Muslim Countries | 0 | - | 4.98 | 371,654 |
| NATO Countries | 0 | - | 4.98 | 277,920 |
| EU Countries Quiz | 0 | - | 4.99 | 271,465 |
| Recently Independent Countries | 0 | - | 4.98 | 158,343 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,237 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 270,216 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,928 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,369 |
| Countries with NO Military | 0 | - | 4.97 | 61,555 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,095 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,052 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,755 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,145 |
| Countries by Former Name | 0 | - | 4.99 | 124,644 |
| Historical City to Country | 0 | - | 4.84 | 78,308 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,143,327 |
| Communist Countries in History | 0 | - | 4.63 | 493,787 |
| Landlocked Countries | 0 | - | 4.99 | 416,402 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,497 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,871 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,750 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,644 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,512 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,869 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,749 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,004 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,515 |
| Former Capitals | 0 | - | 4.88 | 71,268 |
| Countries in World War II | 0 | - | 4.54 | 908,137 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,075 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,218 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,717 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,070 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,412 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,360 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,453 |
| Buddhist Countries | 0 | - | 4.96 | 143,351 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,249 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,151 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,687 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,738,758 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,885 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,810 |
| Himalayan Countries | 0 | - | 4.95 | 136,394 |
| Andean Countries | 0 | - | 4.95 | 83,427 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,696 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,919 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,377 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,982 |
| Danube Countries | 0 | - | 4.97 | 71,372 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,171 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,829 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,107 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,055 |
| European Landlocked Countries | 0 | - | 4.99 | 146,101 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,717 |
| Countries with the Most Species | 0 | - | 4.99 | 100,814 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,857 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,315 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,494 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,134 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,791 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,163 |
| Countries in the Alps | 0 | - | 4.86 | 117,297 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,876 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,830 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,235 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,718 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,790 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,229 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,957 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,976 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,783 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,312 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,341 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,195 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,700 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,973 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,988 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,661 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,874 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,409 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,601 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,208 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,858 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,502 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,803 |
| Largest Countries By Category | 0 | - | 4.97 | 157,218 |
| Orthodox Countries | 0 | - | 4.92 | 130,880 |
| Countries by Countries | 0 | - | 4.96 | 62,567 |
| Richest Island Countries | 0 | - | 4.84 | 99,939 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,395 |
| Monarchies of Europe | 0 | - | 4.90 | 97,672 |
| Monarchies of Asia | 0 | - | 4.97 | 70,814 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,592 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,719 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,123 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,847 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,020 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,072 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,122 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,406 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,061 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,610 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,757 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,686 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,983 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,804 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,948 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 268,187 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,650 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,057 |
| Countries that Start with A | 0 | - | 4.98 | 2,153,281 |
| Countries that Start with B | 0 | - | 4.95 | 2,285,587 |
| Countries that Start with C | 0 | - | 4.96 | 1,814,902 |
| Countries that Start with D | 0 | - | 4.96 | 704,702 |
| Countries that Start with E | 0 | - | 4.95 | 1,371,287 |
| Countries that Start with G | 0 | - | 4.97 | 1,496,828 |
| Countries that Start with H | 0 | - | 4.96 | 600,585 |
| Countries that Start with I | 0 | - | 4.92 | 1,283,362 |
| Countries that Start with J | 0 | - | 4.98 | 598,619 |
| Countries that Start with K | 0 | - | 4.97 | 811,786 |
| Countries that Start with L | 0 | - | 4.98 | 1,085,856 |
| Countries that Start with N | 0 | - | 4.93 | 1,112,819 |
| Countries that Start with P | 0 | - | 4.94 | 1,211,666 |
| Countries that Start with S | 0 | - | 4.98 | 1,748,545 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,445 |
| Countries that Start with U | 0 | - | 4.97 | 901,741 |
| Countries that Start with V | 0 | - | 4.98 | 606,894 |
| Countries that Start with F | 0 | - | 4.83 | 614,356 |
| Countries that Start with M | 0 | - | 4.97 | 1,376,624 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,052 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,438 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,852 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,618 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,722 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,581 |
| Island Countries | 0 | - | 4.99 | 708,733 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,369,820 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,031 |
| Northernmost Countries | 0 | - | 4.99 | 359,236 |
| Countries of South America | 0 | - | 5.00 | 919,325 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,217 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,857,824 |
| "Land" Countries | 0 | - | 4.98 | 334,472 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,837 |
| Countries by Independence Day | 0 | - | 4.61 | 52,670 |
| Former Countries by Capital | 0 | - | 4.45 | 127,231 |
| Former Countries | 0 | - | 4.75 | 132,949 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,395 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,428 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,343 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,542 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,602 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,455 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,673 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,624 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,715 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,223 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,541 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,748 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,206 |
| Countries with Megacities | 0 | - | 4.99 | 248,794 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,057 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,513 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,427 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,459 |
| Countries by Official Language | 0 | - | 4.95 | 193,934 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,436 |
| Countries in their Native Language | 0 | - | 4.99 | 197,559 |
| Subdivisions by Country | 0 | - | 4.86 | 50,187 |
| Megadiverse Countries | 0 | - | 4.96 | 134,520 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,764 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,071 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,618 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,943 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,415 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,526 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,355 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,802 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,124 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,571 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,672 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,632 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,840 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,185 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,463 |
| World Map Quiz | 0 | - | 4.81 | 64,024 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,223 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,667 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,013 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,636 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,370 |
