| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,655 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,125 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,789 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,313 |
| Flags that are Red & White Only | 0 | - | 4.97 | 159,598 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,547 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 73,917 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,555 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,573 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,323 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,683 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,748 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,538 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,234 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,773 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,238 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,648 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,353 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,659 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,710 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,934 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,020 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,600 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,750 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,344 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 77,996 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,340 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,533 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,735 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,689 |
| 20 Random Country Flags | 0 | - | 4.99 | 604,097 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,255 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 152,910 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 41,707 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 126,584 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,034 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,583 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,846 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,231 |
| World Map without 12 Countries | 0 | - | 4.97 | 342,273 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 904,004 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 414,703 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 85,783 |
| Every Country Shape | 0 | - | 5.00 | 458,628 |
| Divided Country Shape Puzzle #1 | 0 | - | 4.86 | 52,862 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,994 |
| Flags of North and South America | 0 | - | 4.99 | 366,800 |
| Former Flags | 0 | - | 4.97 | 106,636 |
| Flags to Capitals #1 | 0 | - | 4.96 | 57,855 |
| Flags to Capitals #2 | 0 | - | 4.95 | 43,898 |
| World Map without 12 Countries #2 | 0 | - | 4.97 | 171,249 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 136,952 |
| Country Shapes Quiz #3 | 0 | - | 4.91 | 294,233 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 224,150 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 161,765 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 34,323 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,296 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 110,617 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,221 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,265 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 79,999 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,527 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,009 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 94,582 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 59,787 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,362 |
| Country Shapes Under the Sea | 0 | - | 5.00 | 77,145 |
| A Square of Merged Countries #1 | 0 | - | 4.88 | 58,939 |
| A Square of Merged Countries #2 | 0 | - | 4.97 | 40,994 |
| Flags of Oceania | 0 | - | 5.00 | 255,010 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,802 |
| Similar Flags #1 | 0 | - | 4.74 | 129,058 |
| Similar Flags #2 | 0 | - | 4.74 | 136,324 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 79,549 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,274 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 75,541 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 153,496 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 72,771 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,581 |
| Countries by Road Signs | 0 | - | 4.98 | 53,072 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,222,535 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,474 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.99 | 27,931 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 100,794 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 125,523 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 64,490 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,006 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 59,811 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.86 | 41,634 |
| Merged Countries #2 | 0 | - | 4.96 | 98,443 |
| Merged Countries #6 | 0 | - | 4.91 | 72,685 |
| Merged Countries #7 | 0 | - | 4.92 | 81,928 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,896,181 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,535,471 |
| Random Country Shape to Country | 0 | - | 4.90 | 110,987 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,318 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,933 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,429 |
| Pixelated World Map | 0 | - | 5.00 | 142,389 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,344 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,266 |
| World Coats of Arms | 0 | - | 4.99 | 63,831 |
| Landlocked Countries | 0 | - | 4.99 | 413,328 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 85,505 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 552,245 |
| Country Picture Puzzle Game #2 | 0 | - | 4.54 | 55,027 |
| Country Picture Puzzle Game #3 | 0 | - | 4.44 | 41,916 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 518,102 |
| Random Countries on the Borderless World Map | 0 | - | 4.99 | 181,870 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 182,753 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 334,124 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,714,092 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,704,789 |
| Name a Valid Country Flag | 0 | - | 4.67 | 74,772 |
| Countries in Squares of an Empty World Map | 0 | - | 4.99 | 125,240 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,504 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,026 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,653 |
| Island Countries | 0 | - | 4.99 | 707,501 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,456 |
| Himalayan Countries | 0 | - | 4.95 | 135,244 |
| Andean Countries | 0 | - | 4.94 | 82,768 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,180 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,120 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,850 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,557 |
| Danube Countries | 0 | - | 4.97 | 71,053 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,718 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,507 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,405 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,333 |
| European Landlocked Countries | 0 | - | 4.99 | 145,721 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,156 |
| Countries with the Most Species | 0 | - | 4.99 | 95,229 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,295 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,192 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,357 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,941 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,553 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,923 |
| Countries in the Alps | 0 | - | 4.86 | 116,773 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,529 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,196 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,986 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,393 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,117 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,972 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,537 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,728 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,138 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,027 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,185 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,026 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,421 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,715 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,726 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,006 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,616 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,240 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,197 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,838 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,739 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,115 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,545 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,577 |
| Largest Countries By Category | 0 | - | 4.97 | 156,705 |
| Countries by Countries | 0 | - | 4.96 | 62,232 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,195 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,342 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,205 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,518 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,331 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,953 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,318 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,569 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,078 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,728 |
| Every American Country by Shape | 0 | - | 4.79 | 37,076 |
| Random Sequential Countries on the World Map - Hard Version | 0 | - | 5.00 | 74,620 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,085 |
| Northernmost Countries | 0 | - | 4.99 | 357,561 |
| Countries of South America | 0 | - | 5.00 | 914,225 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,828 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,847,285 |
| "Land" Countries | 0 | - | 4.98 | 333,561 |
| Cross Flags of Europe | 0 | - | 4.42 | 296,765 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,935 |
| Pixelated Country Shapes #1 | 0 | - | 4.74 | 72,204 |
| Pixelated Country Shapes #2 | 0 | - | 4.74 | 67,452 |
| Country Flag-Shape Picture Quiz #1 | 0 | - | 4.94 | 94,031 |
| Country Flag-Shape Picture Quiz #2 | 0 | - | 4.89 | 72,224 |
| Country Flag-Shape Picture Quiz #4 | 0 | - | 4.96 | 71,221 |
| Country Flag-Shape Picture Quiz #6 | 0 | - | 4.98 | 69,127 |
| Country Flag-Shape Picture Quiz #5 | 0 | - | 4.97 | 61,278 |
| Country Flag-Shape Picture Quiz #7 | 0 | - | 4.96 | 58,369 |
| Country Flag-Shape Picture Quiz #8 | 0 | - | 4.98 | 56,675 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,155 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,109 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,085 |
| Europe Flags Map Quiz | 0 | - | 4.97 | 156,549 |