| Majority Muslim Countries | 0 | - | 4.98 | 368,505 |
| NATO Countries | 0 | - | 4.98 | 275,717 |
| EU Countries Quiz | 0 | - | 4.99 | 269,903 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,914 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,287 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,034 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,747 |
| Countries with NO Military | 0 | - | 4.97 | 61,169 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,901 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,915,594 |
| Landlocked Countries | 0 | - | 4.99 | 413,554 |
| World Map without 12 Countries | 0 | - | 4.97 | 342,355 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,003 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 904,176 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 414,825 |
| Every Country Shape | 0 | - | 5.00 | 458,911 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,856 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,447 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,357 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,957 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,446 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,734 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,203 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,888 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,361 |
| Flags that are Red & White Only | 0 | - | 4.97 | 160,921 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,636 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,153 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,259 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,740 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,132 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,619 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,625 |
| Pixelated World Map | 0 | - | 5.00 | 142,430 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,375 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,731 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,784 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,572 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,287 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,916 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,672 |
| Buddhist Countries | 0 | - | 4.96 | 142,947 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,388 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,693 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,745 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,970 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,356 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,275 |
| World Coats of Arms | 0 | - | 4.99 | 63,853 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,083 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,716,178 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,034 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,621 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,790 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,396 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,563 |
| Himalayan Countries | 0 | - | 4.95 | 135,335 |
| Andean Countries | 0 | - | 4.94 | 82,813 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,206 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,192 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,887 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,594 |
| Danube Countries | 0 | - | 4.97 | 71,073 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,754 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,531 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,460 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,381 |
| European Landlocked Countries | 0 | - | 4.99 | 145,744 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,197 |
| Countries with the Most Species | 0 | - | 4.99 | 95,238 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,331 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,197 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,366 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,954 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,571 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,949 |
| Countries in the Alps | 0 | - | 4.86 | 116,816 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,555 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,248 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,000 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,413 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,154 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,996 |
| World Map without 12 Countries #2 | 0 | - | 4.97 | 171,322 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 137,012 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,570 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,743 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,269 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,044 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,193 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,040 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,449 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,736 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,746 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,052 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,635 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,252 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,033 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,765 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,250 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,663 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,599 |
| Largest Countries By Category | 0 | - | 4.97 | 156,749 |
| Orthodox Countries | 0 | - | 4.91 | 130,378 |
| Countries by Countries | 0 | - | 4.96 | 62,251 |
| Richest Island Countries | 0 | - | 4.84 | 99,511 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,036 |
| Battle to Country | 0 | - | 4.91 | 52,519 |
| Monarchies of Europe | 0 | - | 4.90 | 97,307 |
| Monarchies of Asia | 0 | - | 4.97 | 70,600 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,565 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,816 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,322 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,376 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,432 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,961 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,578 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,759 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,432 |
| Country Shapes Quiz #3 | 0 | - | 4.91 | 294,429 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 224,253 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 162,186 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 34,419 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,329 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 110,653 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,263 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,294 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,028 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,562 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,033 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,270 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,165 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,487 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,550 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,639 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,093 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,935 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,713 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,683 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,767 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,218 |
| Countries that Start with D | 0 | - | 4.96 | 701,475 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,453 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,701 |
| Countries that Start with H | 0 | - | 4.96 | 597,909 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,208 |
| Countries that Start with J | 0 | - | 4.98 | 595,974 |
| Countries that Start with K | 0 | - | 4.97 | 809,352 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,819 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,676 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,491 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,443 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,170 |
| Countries that Start with U | 0 | - | 4.97 | 899,891 |
| Countries that Start with V | 0 | - | 4.98 | 605,062 |
| Countries that Start with F | 0 | - | 4.83 | 612,147 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,259 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,590 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,901 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,462 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,703 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,862 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,098 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,823 |
| Island Countries | 0 | - | 4.99 | 707,596 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,362,188 |
| 20 Random Country Flags | 0 | - | 4.99 | 604,407 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,387 |
| Northernmost Countries | 0 | - | 4.99 | 357,695 |
| Countries of South America | 0 | - | 5.00 | 914,613 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,342 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,848,119 |
| "Land" Countries | 0 | - | 4.98 | 333,636 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,086 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,840 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,323 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 79,600 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,315 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 75,576 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 153,535 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 72,806 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,602 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.99 | 28,062 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,226,095 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,242 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,118 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,489 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,253 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,061 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,452 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,625 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,088 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,982 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,608 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,173 |
| Countries with Megacities | 0 | - | 4.99 | 246,842 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,086 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,950 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,506 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,838 |