| Majority Muslim Countries | 0 | - | 4.98 | 378,506 |
| NATO Countries | 0 | - | 4.98 | 284,075 |
| EU Countries Quiz | 0 | - | 4.99 | 278,983 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,994 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 278,076 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,836 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 150,053 |
| Countries with NO Military | 0 | - | 4.97 | 63,624 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,205 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,983,247 |
| Landlocked Countries | 0 | - | 4.99 | 427,416 |
| World Map without 12 Countries | 0 | - | 4.97 | 346,516 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,439 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 910,336 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 418,883 |
| Every Country Shape | 0 | - | 5.00 | 472,626 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,377 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,966 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 147,091 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,283 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,346 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,668 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,647 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,258 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,370 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,841 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,632 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,945 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,484 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,289 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,254 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,602 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,517 |
| Pixelated World Map | 0 | - | 5.00 | 144,295 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,580 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,473 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,519 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,317 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,904 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,370 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,566 |
| Buddhist Countries | 0 | - | 4.96 | 145,275 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,205 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,564 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,809 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,894 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,873 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,141 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,688 |
| World Coats of Arms | 0 | - | 4.99 | 65,334 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 125,019 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,813,673 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,869 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,311 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,117 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,128 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,997 |
| Himalayan Countries | 0 | - | 4.93 | 140,897 |
| Andean Countries | 0 | - | 4.94 | 85,833 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,954 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,533 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,492 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,711 |
| Danube Countries | 0 | - | 4.97 | 72,576 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,826 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,992 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,476 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,950 |
| European Landlocked Countries | 0 | - | 4.99 | 147,794 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,561 |
| Countries with the Most Species | 0 | - | 4.99 | 103,656 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,664 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,820 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,962 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,935 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,689 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,146 |
| Countries in the Alps | 0 | - | 4.87 | 119,006 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,051 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,187 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,075 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,191 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,149 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,406 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 174,974 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 139,679 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,616 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,012 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,519 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,325 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,964 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,835 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,685 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,940 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,040 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,176 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,748 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,590 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,662 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,860 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,406 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,547 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,627 |
| Largest Countries By Category | 0 | - | 4.97 | 159,121 |
| Orthodox Countries | 0 | - | 4.92 | 132,982 |
| Countries by Countries | 0 | - | 4.97 | 63,820 |
| Richest Island Countries | 0 | - | 4.85 | 101,382 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,624 |
| Battle to Country | 0 | - | 4.91 | 54,130 |
| Monarchies of Europe | 0 | - | 4.90 | 99,047 |
| Monarchies of Asia | 0 | - | 4.97 | 71,618 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,664 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,493 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 194,067 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,478 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,372 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,451 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,248 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,366 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 297,722 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 227,089 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 165,449 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 40,412 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 34,755 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 105,281 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 112,248 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 123,119 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 109,049 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 81,216 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,750 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 86,467 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,396 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,404 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,703 |
| Countries by Oil Consumption | 0 | - | 4.96 | 125,059 |
| Largest Economies in 2050 | 0 | - | 4.88 | 112,085 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,658 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,164 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,244 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,821 |
| Countries that Start with B | 0 | - | 4.95 | 2,309,434 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,752 |
| Countries that Start with D | 0 | - | 4.96 | 718,031 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,954 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,536 |
| Countries that Start with H | 0 | - | 4.96 | 610,718 |
| Countries that Start with I | 0 | - | 4.92 | 1,296,097 |
| Countries that Start with J | 0 | - | 4.98 | 608,092 |
| Countries that Start with K | 0 | - | 4.97 | 821,928 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,296 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,404 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,523 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,147 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,068 |
| Countries that Start with U | 0 | - | 4.97 | 909,358 |
| Countries that Start with V | 0 | - | 4.98 | 612,648 |
| Countries that Start with F | 0 | - | 4.83 | 622,157 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,842 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,726 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,369 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,265 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,288 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,778 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,093 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,466 |
| Island Countries | 0 | - | 4.99 | 713,068 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,397,639 |
| 20 Random Country Flags | 0 | - | 4.99 | 620,569 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,377 |
| Northernmost Countries | 0 | - | 4.99 | 364,684 |
| Countries of South America | 0 | - | 5.00 | 934,531 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,806 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,893,648 |
| "Land" Countries | 0 | - | 4.98 | 339,069 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,962 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,268 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,408 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 81,393 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 78,051 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 77,281 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 155,731 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 74,286 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 55,651 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,416,620 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,084 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,971 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,820 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 155,055 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,410 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,726 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,695 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,764 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,325 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,048 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,554 |
| Countries with Megacities | 0 | - | 4.99 | 267,970 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,204 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,364 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,530 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,470 |