| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,047 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,255 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,764 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,487 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,603 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,295 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,470 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,729 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,659 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,651 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,685 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,774 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,550 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 99,212 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,642 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,784 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,185 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,557 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,895 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,098 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,206 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,052 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,519 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,997 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,559 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,412 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,970 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,729 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,356 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 72,002 |
| 20 Random Country Flags | 0 | - | 4.99 | 613,704 |
| Flags of the Countries that Start with C | 0 | - | 4.88 | 130,252 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,046 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 42,958 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,431 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,016 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,824 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,244 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,246,459 |
| Flags of Asia Quiz | 0 | - | 4.99 | 614,823 |
| World Map without 12 Countries | 0 | - | 4.97 | 344,729 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 907,694 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 417,154 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 86,551 |
| Every Country Shape | 0 | - | 5.00 | 466,664 |
| Divided Country Shape Puzzle #1 | 0 | - | 4.87 | 53,522 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,314 |
| Flags of North and South America | 0 | - | 4.99 | 373,776 |
| Former Flags | 0 | - | 4.97 | 107,865 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,535 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,476 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 173,601 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 138,525 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 296,254 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 225,805 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 164,395 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 37,238 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,617 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,658 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 122,298 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,433 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,763 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,287 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,978 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,340 |
| Country Shapes Under the Sea | 0 | - | 5.00 | 77,861 |
| A Square of Merged Countries #1 | 0 | - | 4.88 | 59,669 |
| Flags of Oceania | 0 | - | 5.00 | 259,962 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,529 |
| Similar Flags #1 | 0 | - | 4.75 | 130,174 |
| Similar Flags #2 | 0 | - | 4.74 | 137,467 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,602 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 77,306 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,555 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 154,599 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,685 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 55,191 |
| Countries by Road Signs | 0 | - | 4.98 | 53,944 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,335,813 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,695 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 101,536 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 126,651 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 31,472 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 64,949 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,435 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 60,264 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.86 | 42,075 |
| Merged Countries #2 | 0 | - | 4.96 | 99,168 |
| Merged Countries #6 | 0 | - | 4.90 | 73,371 |
| Merged Countries #7 | 0 | - | 4.93 | 82,718 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,550,784 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,531,611 |
| Random Country Shape to Country | 0 | - | 4.90 | 113,987 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,046 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,792 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,023 |
| Pixelated World Map | 0 | - | 5.00 | 143,522 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 87,043 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,817 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,531 |
| World Coats of Arms | 0 | - | 4.99 | 64,635 |
| Country Picture Puzzle Game #2 | 0 | - | 4.54 | 55,418 |
| Country Picture Puzzle Game #3 | 0 | - | 4.44 | 42,220 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 523,010 |
| Random Countries on the Borderless World Map | 0 | - | 4.99 | 184,506 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 184,691 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 337,830 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,720,913 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,862 |
| Landlocked Countries | 0 | - | 4.99 | 421,339 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 574,994 |
| Countries in Squares of an Empty World Map | 0 | - | 4.99 | 126,473 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,773,945 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,349 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,698 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,615 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,709 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,060 |
| Every American Country by Shape | 0 | - | 4.79 | 37,268 |
| Random Sequential Countries on the World Map - Hard Version | 0 | - | 5.00 | 75,804 |
| Cross Flags of Europe | 0 | - | 4.43 | 299,174 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,056 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,326 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,819 |
| Island Countries | 0 | - | 4.99 | 710,797 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,134 |
| Himalayan Countries | 0 | - | 4.95 | 138,436 |
| Andean Countries | 0 | - | 4.93 | 84,442 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,649 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,605 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,278 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,679 |
| Danube Countries | 0 | - | 4.97 | 71,932 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,920 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,350 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,162 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,625 |
| European Landlocked Countries | 0 | - | 4.99 | 147,062 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,510 |
| Countries with the Most Species | 0 | - | 4.99 | 103,167 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,668 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,547 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,690 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,495 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,175 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,588 |
| Countries in the Alps | 0 | - | 4.87 | 118,095 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,640 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,915 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,602 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,532 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,419 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,894 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,582 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,440 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,138 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,782 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,613 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,471 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,156 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,412 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,449 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,736 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,244 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 61,857 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,955 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,606 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,913 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,168 |
| Largest Countries By Category | 0 | - | 4.97 | 158,090 |
| Countries by Countries | 0 | - | 4.96 | 63,122 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,382,050 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,598 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,253 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,222 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,542 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,385 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,918 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,603 |
| Pixelated Country Shapes #1 | 0 | - | 4.74 | 72,372 |
| Pixelated Country Shapes #2 | 0 | - | 4.75 | 67,632 |
| Country Flag-Shape Picture Quiz #1 | 0 | - | 4.94 | 94,943 |
| Country Flag-Shape Picture Quiz #2 | 0 | - | 4.89 | 72,932 |
| Country Flag-Shape Picture Quiz #4 | 0 | - | 4.96 | 71,823 |
| Country Flag-Shape Picture Quiz #6 | 0 | - | 4.98 | 69,807 |
| Country Flag-Shape Picture Quiz #5 | 0 | - | 4.97 | 61,904 |
| Country Flag-Shape Picture Quiz #7 | 0 | - | 4.96 | 58,975 |
| Country Flag-Shape Picture Quiz #8 | 0 | - | 4.98 | 57,247 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,019 |
| Northernmost Countries | 0 | - | 4.99 | 361,668 |
| Countries of South America | 0 | - | 5.00 | 926,361 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,653 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,875,133 |
| "Land" Countries | 0 | - | 4.98 | 337,131 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,355 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,879 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,893 |
| Europe Flags Map Quiz | 0 | - | 4.97 | 158,565 |
| Fill the World Map by Country Flags | 0 | - | 4.99 | 83,815 |
| Flags of the Middle East | 0 | - | 4.69 | 62,665 |