| Countries that Start with A | 0 | - | 4.98 | 2,174,066 |
| Countries that Start with B | 0 | - | 4.95 | 2,305,003 |
| Countries that Start with C | 0 | - | 4.96 | 1,830,278 |
| Countries that Start with D | 0 | - | 4.96 | 715,605 |
| Countries that Start with E | 0 | - | 4.95 | 1,384,109 |
| Countries that Start with G | 0 | - | 4.97 | 1,510,502 |
| Countries that Start with H | 0 | - | 4.96 | 608,989 |
| Countries that Start with I | 0 | - | 4.92 | 1,293,830 |
| Countries that Start with J | 0 | - | 4.98 | 606,385 |
| Countries that Start with K | 0 | - | 4.97 | 820,175 |
| Countries that Start with L | 0 | - | 4.98 | 1,096,040 |
| Countries that Start with N | 0 | - | 4.93 | 1,123,108 |
| Countries that Start with P | 0 | - | 4.94 | 1,221,323 |
| Countries that Start with S | 0 | - | 4.98 | 1,762,125 |
| Countries that Start with T | 0 | - | 4.90 | 1,014,328 |
| Countries that Start with U | 0 | - | 4.97 | 908,050 |
| Countries that Start with V | 0 | - | 4.98 | 611,679 |
| Countries that Start with F | 0 | - | 4.83 | 620,851 |
| Countries that Start with M | 0 | - | 4.97 | 1,387,448 |
| One Country By Letter By Continent | 0 | - | 5.00 | 125,397 |
| Countries Bordering "U" Countries | 0 | - | 4.83 | 24,823 |
| Countries that Start with R | 0 | - | 4.43 | 449,954 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,953 |
| Majority Muslim Countries | 0 | - | 4.98 | 377,283 |
| NATO Countries | 0 | - | 4.98 | 283,101 |
| EU Countries Quiz | 0 | - | 4.99 | 277,461 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,015 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 276,562 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,157 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,630 |
| Countries with NO Military | 0 | - | 4.97 | 63,287 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,049 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,824,154 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,528 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,191 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,087 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,113 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,474 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,998 |
| Buddhist Countries | 0 | - | 4.96 | 144,994 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,769 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,572 |
| Landlocked Countries | 0 | - | 4.99 | 424,981 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,799,591 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,792 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,310 |
| Orthodox Countries | 0 | - | 4.92 | 132,705 |
| Richest Island Countries | 0 | - | 4.85 | 101,152 |
| Battle to Country | 0 | - | 4.91 | 53,895 |
| Monarchies of Europe | 0 | - | 4.90 | 98,774 |
| Monarchies of Asia | 0 | - | 4.97 | 71,460 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,954 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,906 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,550 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,900 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,241 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,087 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,068 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,390 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,734 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,876 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 274,465 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,918 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,009 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,443 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,010 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,993 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,919 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,646 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,855 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,464 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,280 |
| Island Countries | 0 | - | 4.99 | 712,277 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,868 |
| Himalayan Countries | 0 | - | 4.93 | 139,943 |
| Andean Countries | 0 | - | 4.94 | 85,278 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,436 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,784 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,012 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,302 |
| Danube Countries | 0 | - | 4.97 | 72,309 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,470 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,750 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,960 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,454 |
| European Landlocked Countries | 0 | - | 4.99 | 147,517 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,175 |
| Countries with the Most Species | 0 | - | 4.99 | 103,515 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,304 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,736 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,847 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,781 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,517 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,946 |
| Countries in the Alps | 0 | - | 4.87 | 118,668 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,454 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,712 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,911 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,950 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,868 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,181 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,307 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,804 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,365 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,105 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,812 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,688 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,487 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,725 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,822 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,640 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,550 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,670 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,560 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,401 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,965 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,466 |
| Largest Countries By Category | 0 | - | 4.97 | 158,742 |
| Countries by Countries | 0 | - | 4.96 | 63,565 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,391,999 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,173 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,377 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,032 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,053,901 |
| Northernmost Countries | 0 | - | 4.99 | 363,658 |
| Countries of South America | 0 | - | 5.00 | 931,629 |
| Countries of Oceania | 0 | - | 5.00 | 1,062,026 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,886,893 |
| "Land" Countries | 0 | - | 4.98 | 338,220 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,645 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,778 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,264 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,786 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,707 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,704 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,800 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,543 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,648 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,061 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,213 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,964 |
| Countries with Megacities | 0 | - | 4.99 | 266,741 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,655 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,003 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,969 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,127 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,954 |
| Countries by Official Language | 0 | - | 4.95 | 195,868 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,459 |
| Countries in their Native Language | 0 | - | 4.99 | 199,634 |
| Independence from Whom | 0 | - | 4.99 | 212,900 |
| Subdivisions by Country | 0 | - | 4.87 | 50,588 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,326 |
| Megadiverse Countries | 0 | - | 4.96 | 135,226 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,844 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,502 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,412 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,203 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,506 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,801 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,021 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,535 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,791 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,238 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,366 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,337 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,405 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,120 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,549 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,663 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,166 |
| World Map Quiz | 0 | - | 4.81 | 65,576 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,882 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,640 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,105 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,993 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,482 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,378 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,344 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,461 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,662 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,650 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,476 |
| Widest Countries East to West | 0 | - | 4.92 | 130,384 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,578 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,172 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,489 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,014 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,919 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,407 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,476 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,880 |
| Countries with Double Letters | 0 | - | 4.96 | 96,935 |
| Countries that End in N | 0 | - | 4.94 | 171,804 |
| Countries with Five Letters | 0 | - | 4.96 | 283,571 |
| Countries with Six Letters | 0 | - | 4.94 | 214,297 |
| Countries with W | 0 | - | 4.96 | 160,842 |
| Countries with Z | 0 | - | 4.98 | 292,275 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,197 |
| Countries That End in U | 0 | - | 4.95 | 121,124 |
