| Independence from Whom | 0 | - | 4.99 | 210,438 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,253 |
| Countries in World War I | 0 | - | 4.88 | 227,344 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,164 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,186 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,503 |
| Battle to Country | 0 | - | 4.91 | 52,865 |
| Majority Muslim Countries | 0 | - | 4.98 | 371,552 |
| NATO Countries | 0 | - | 4.98 | 277,817 |
| EU Countries Quiz | 0 | - | 4.99 | 271,387 |
| Recently Independent Countries | 0 | - | 4.98 | 158,324 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,163 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 270,130 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,880 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,337 |
| Countries with NO Military | 0 | - | 4.97 | 61,533 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,072 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,011 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,712 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,130 |
| Countries by Former Name | 0 | - | 4.99 | 124,632 |
| Historical City to Country | 0 | - | 4.84 | 78,299 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,131,099 |
| Communist Countries in History | 0 | - | 4.63 | 493,725 |
| Landlocked Countries | 0 | - | 4.99 | 416,242 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,370 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,810 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,725 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,632 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,503 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,866 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,740 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,994 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,502 |
| Former Capitals | 0 | - | 4.88 | 71,263 |
| Countries in World War II | 0 | - | 4.54 | 907,975 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,062 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,184 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,693 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,043 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,395 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,353 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,417 |
| Buddhist Countries | 0 | - | 4.96 | 143,332 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,216 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,141 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,660 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,737,687 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,872 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,732 |
| Himalayan Countries | 0 | - | 4.95 | 136,332 |
| Andean Countries | 0 | - | 4.95 | 83,392 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,654 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,885 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,348 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,956 |
| Danube Countries | 0 | - | 4.97 | 71,352 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,149 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,814 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,072 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,020 |
| European Landlocked Countries | 0 | - | 4.99 | 146,078 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,695 |
| Countries with the Most Species | 0 | - | 4.99 | 99,903 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,841 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,312 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,486 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,128 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,781 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,152 |
| Countries in the Alps | 0 | - | 4.86 | 117,280 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,866 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,803 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,226 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,695 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,756 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,217 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,943 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,967 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,765 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,298 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,337 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,188 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,689 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,959 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,969 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,633 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,866 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,400 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,569 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,152 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,766 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,465 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,789 |
| Largest Countries By Category | 0 | - | 4.97 | 157,203 |
| Orthodox Countries | 0 | - | 4.92 | 130,855 |
| Countries by Countries | 0 | - | 4.96 | 62,558 |
| Richest Island Countries | 0 | - | 4.84 | 99,917 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,383 |
| Monarchies of Europe | 0 | - | 4.90 | 97,657 |
| Monarchies of Asia | 0 | - | 4.97 | 70,802 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,536 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,677 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,077 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,817 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,990 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,068 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,079 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,403 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,047 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,602 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,730 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,662 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,954 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,790 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,931 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 267,994 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,627 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,038 |
| Countries that Start with A | 0 | - | 4.98 | 2,152,955 |
| Countries that Start with B | 0 | - | 4.95 | 2,285,290 |
| Countries that Start with C | 0 | - | 4.96 | 1,814,661 |
| Countries that Start with D | 0 | - | 4.96 | 704,545 |
| Countries that Start with E | 0 | - | 4.95 | 1,371,073 |
| Countries that Start with G | 0 | - | 4.97 | 1,496,609 |
| Countries that Start with H | 0 | - | 4.96 | 600,441 |
| Countries that Start with I | 0 | - | 4.92 | 1,283,188 |
| Countries that Start with J | 0 | - | 4.98 | 598,473 |
| Countries that Start with K | 0 | - | 4.97 | 811,672 |
| Countries that Start with L | 0 | - | 4.98 | 1,085,707 |
| Countries that Start with N | 0 | - | 4.93 | 1,112,664 |
| Countries that Start with P | 0 | - | 4.94 | 1,211,510 |
| Countries that Start with S | 0 | - | 4.98 | 1,748,321 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,302 |
| Countries that Start with U | 0 | - | 4.97 | 901,635 |
| Countries that Start with V | 0 | - | 4.98 | 606,603 |
| Countries that Start with F | 0 | - | 4.83 | 614,232 |
| Countries that Start with M | 0 | - | 4.97 | 1,376,448 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,030 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,417 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,839 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,511 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,647 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,477 |
| Island Countries | 0 | - | 4.99 | 708,673 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,369,456 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,865 |
| Northernmost Countries | 0 | - | 4.99 | 359,161 |
| Countries of South America | 0 | - | 5.00 | 919,113 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,957 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,857,331 |
| "Land" Countries | 0 | - | 4.98 | 334,316 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,832 |
| Countries by Independence Day | 0 | - | 4.61 | 52,667 |
| Former Countries by Capital | 0 | - | 4.45 | 127,225 |
| Former Countries | 0 | - | 4.75 | 132,936 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,378 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,411 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,324 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,529 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,569 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,443 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,665 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,607 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,697 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,219 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,327 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,695 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,164 |
| Countries with Megacities | 0 | - | 4.99 | 248,708 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,029 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,482 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,397 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,432 |
| Countries by Official Language | 0 | - | 4.95 | 193,880 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,356 |
| Countries in their Native Language | 0 | - | 4.99 | 197,526 |
| Subdivisions by Country | 0 | - | 4.86 | 50,176 |
| Megadiverse Countries | 0 | - | 4.96 | 134,512 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,714 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,061 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,610 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,939 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,401 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,516 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,349 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,798 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,107 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,561 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,660 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,628 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,833 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,183 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,409 |
| World Map Quiz | 0 | - | 4.81 | 63,990 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,152 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,661 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,983 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,624 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,348 |
