| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,355 |
| One Country By Letter By Continent | 0 | - | 5.00 | 123,131 |
| Countries that Start with A | 0 | - | 4.98 | 2,156,918 |
| Countries that Start with B | 0 | - | 4.95 | 2,288,971 |
| Countries that Start with C | 0 | - | 4.96 | 1,817,677 |
| Countries that Start with D | 0 | - | 4.96 | 706,589 |
| Countries that Start with E | 0 | - | 4.95 | 1,373,563 |
| Countries that Start with G | 0 | - | 4.97 | 1,499,183 |
| Countries that Start with H | 0 | - | 4.96 | 602,175 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,170 |
| Countries that Start with J | 0 | - | 4.98 | 600,109 |
| Countries that Start with K | 0 | - | 4.97 | 813,236 |
| Countries that Start with L | 0 | - | 4.98 | 1,087,957 |
| Countries that Start with N | 0 | - | 4.93 | 1,114,853 |
| Countries that Start with P | 0 | - | 4.94 | 1,213,334 |
| Countries that Start with S | 0 | - | 4.98 | 1,751,039 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,774 |
| Countries that Start with U | 0 | - | 4.97 | 902,781 |
| Countries that Start with V | 0 | - | 4.98 | 607,891 |
| Countries that Start with F | 0 | - | 4.83 | 615,646 |
| Countries that Start with M | 0 | - | 4.97 | 1,378,537 |
| Countries that Start with R | 0 | - | 4.43 | 446,165 |
| Richest Countries A-Z | 0 | - | 4.91 | 102,612 |
| Majority Muslim Countries | 0 | - | 4.98 | 372,696 |
| NATO Countries | 0 | - | 4.98 | 278,840 |
| EU Countries Quiz | 0 | - | 4.99 | 272,441 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,055 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,316 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,499 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,780 |
| Countries with NO Military | 0 | - | 4.97 | 61,831 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,377 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,324 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,374 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,067 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,264,126 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,606 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,000 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,258 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,564 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,749 |
| Buddhist Countries | 0 | - | 4.96 | 143,587 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,010 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,386 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,931 |
| Orthodox Countries | 0 | - | 4.92 | 131,151 |
| Richest Island Countries | 0 | - | 4.84 | 100,183 |
| Battle to Country | 0 | - | 4.91 | 53,065 |
| Monarchies of Europe | 0 | - | 4.90 | 97,851 |
| Monarchies of Asia | 0 | - | 4.97 | 70,915 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,176 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,243 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,549 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,393 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,735 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,007 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,946 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,262 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,919 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,159 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 269,711 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 103,897 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,260 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,336 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,737 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,071 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,916 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,310 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,019 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 77,488 |
| Landlocked Countries | 0 | - | 4.99 | 417,965 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,621 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,694 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,750,473 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,773 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,675 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,768 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,844 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,858 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,293 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,098 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,725 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,335 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,597 |
| Island Countries | 0 | - | 4.99 | 709,341 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,514 |
| Himalayan Countries | 0 | - | 4.94 | 137,002 |
| Andean Countries | 0 | - | 4.95 | 83,722 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,967 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,329 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,646 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,218 |
| Danube Countries | 0 | - | 4.97 | 71,559 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,403 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,971 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,464 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,520 |
| European Landlocked Countries | 0 | - | 4.99 | 146,621 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,989 |
| Countries with the Most Species | 0 | - | 4.99 | 102,698 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,123 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,387 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,553 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,245 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,907 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,293 |
| Countries in the Alps | 0 | - | 4.86 | 117,536 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,034 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,178 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,353 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,883 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,986 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,380 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,152 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,105 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,909 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,468 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,429 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,288 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,847 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,113 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,136 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,986 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,990 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,514 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,397 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,805 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,979 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,922 |
| Largest Countries By Category | 0 | - | 4.97 | 157,485 |
| Countries by Countries | 0 | - | 4.96 | 62,751 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,373,531 |
| Country Flags with the Most White | 0 | - | 4.87 | 138,068 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,129 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,450 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,234 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 64,741 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,251 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 60,069 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.86 | 41,886 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,958 |
| Northernmost Countries | 0 | - | 4.99 | 360,032 |
| Countries of South America | 0 | - | 5.00 | 921,667 |
| Countries of Oceania | 0 | - | 5.00 | 1,049,465 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,863,299 |
| "Land" Countries | 0 | - | 4.98 | 335,544 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,846 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,921 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,370 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,189 |
| Countries in World War I | 0 | - | 4.88 | 227,709 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,563 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,380 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,818,975 |
| One Border Countries | 0 | - | 4.98 | 467,182 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,392 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,048 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,610,664 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,686 |
| Countries with Megacities | 0 | - | 4.99 | 249,793 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,520 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,788 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,855 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,775 |
| Countries by Official Language | 0 | - | 4.95 | 194,455 |
| All OPEC Countries Ever | 0 | - | 4.75 | 90,271 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,282 |
| Countries in their Native Language | 0 | - | 4.99 | 198,013 |
| Independence from Whom | 0 | - | 4.99 | 211,126 |
| Subdivisions by Country | 0 | - | 4.86 | 50,252 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,561 |
| Megadiverse Countries | 0 | - | 4.96 | 134,697 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,096,630 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,149 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,145 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,587 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,701 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,989 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,599 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,312 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,825 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,746 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,445 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,921 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,644 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,660 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,880 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,726 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,046 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,278 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,930 |
| World Map Quiz | 0 | - | 4.81 | 64,370 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,089 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,925 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,310 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,823 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,544 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,068 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,428 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,600 |
