| All Country Flags of the World | 0 | - | 5.00 | 3,600,268 |
| Countries by Road Signs | 0 | - | 4.98 | 53,082 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,015 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,988 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,526,005 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,236 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,546 |
| Flags with Crescents | 0 | - | 4.98 | 167,500 |
| Country Flag Trivia | 0 | - | 4.81 | 55,903 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,370 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,432 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,871 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,004 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 392,952 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,099 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,330 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,332 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,942 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,437 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,677 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,151 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,822 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,328 |
| Flags that are Red & White Only | 0 | - | 4.97 | 160,053 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,580 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 73,994 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,573 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,591 |
| Pixelated World Map | 0 | - | 5.00 | 142,405 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,343 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,699 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,760 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,550 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,252 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,791 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,251 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,655 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,735 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,362 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,672 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,724 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,949 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,345 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,268 |
| World Coats of Arms | 0 | - | 4.99 | 63,839 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,454 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,022 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,084 |
| Flags of North and South America | 0 | - | 4.99 | 366,907 |
| Flags to Languages | 0 | - | 4.95 | 172,452 |
| Former Flags | 0 | - | 4.97 | 106,652 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,605 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,760 |
| Boundary Waters | 0 | - | 4.92 | 88,028 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,804 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,249 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,250 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,822 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,716 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,546 |
| Geography by Picture - B | 0 | - | 4.42 | 55,406 |
| Geography by Picture - H | 0 | - | 4.49 | 58,039 |
| Geography by Picture - N | 0 | - | 4.45 | 42,044 |
| Geography by Picture - R | 0 | - | 4.55 | 40,876 |
| Geography by Picture - T | 0 | - | 4.54 | 57,673 |
| Flags of Oceania | 0 | - | 5.00 | 255,058 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,819 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,454 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,042 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,379 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,776 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,692 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,449 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,902,206 |
| Landlocked Countries | 0 | - | 4.99 | 413,397 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 552,448 |
| 20 Random Country Flags | 0 | - | 4.99 | 604,210 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,041 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,599 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,304 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,498 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,418 |
| Flag Maths | 0 | - | 4.78 | 57,672 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,997 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,976 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,640 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,642 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,802 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,345 |
| International Footballers by Picture | 0 | - | 4.50 | 54,704 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,558 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,591 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,148 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,977 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,580 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,924 |
| World Capitals Quiz | 0 | - | 5.00 | 5,030,116 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,492 |
| Himalayan Countries | 0 | - | 4.95 | 135,276 |
| Andean Countries | 0 | - | 4.94 | 82,785 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,192 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,140 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,857 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,565 |
| Danube Countries | 0 | - | 4.97 | 71,060 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,729 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,515 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,419 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,348 |
| European Landlocked Countries | 0 | - | 4.99 | 145,729 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,168 |
| Countries with the Most Species | 0 | - | 4.99 | 95,234 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,308 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,192 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,358 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,947 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,561 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,934 |
| Countries in the Alps | 0 | - | 4.86 | 116,787 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,533 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,216 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,991 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,402 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,131 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,977 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,549 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,734 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,171 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,032 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,188 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,029 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,429 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,721 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,734 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,014 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,619 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,244 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,748 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,166 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,592 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,589 |
| Largest Countries By Category | 0 | - | 4.97 | 156,718 |
| Countries by Countries | 0 | - | 4.96 | 62,239 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,346 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,957 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,322 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,601 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,085 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,738 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,714,759 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,687 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,475 |
| Geography by Picture - A | 0 | - | 4.39 | 60,046 |
| Geography by Picture - D | 0 | - | 4.15 | 45,486 |
| Geography by Picture - F | 0 | - | 4.31 | 50,822 |
| Geography by Picture - G | 0 | - | 4.38 | 47,782 |
| Geography by Picture - J | 0 | - | 4.16 | 38,333 |
| Geography by Picture - K | 0 | - | 4.28 | 33,011 |
| Geography by Picture - C | 0 | - | 4.31 | 56,903 |
| Geography by Picture - L | 0 | - | 4.37 | 58,754 |
| Geography by Picture - M | 0 | - | 4.14 | 40,343 |
| Geography by Picture - P | 0 | - | 4.24 | 42,296 |
| Geography by Picture - S | 0 | - | 4.38 | 46,905 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,278 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,534 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,225 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,432 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,359 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,607 |
| Longest International Borders | 0 | - | 4.99 | 263,517 |
| Countries with Three Borders | 0 | - | 4.96 | 36,171 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,591 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,654 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,851 |
| Demonym of Every Country | 0 | - | 4.91 | 58,620 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,179 |
| Islands by Picture | 0 | - | 4.29 | 105,858 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,498 |
| Empires by Maps | 0 | - | 4.98 | 118,407 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,609 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,605 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,052 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,728 |
| Island Countries | 0 | - | 4.99 | 707,538 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,026 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,670 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,803 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,673 |
| Similar Flags #1 | 0 | - | 4.74 | 129,070 |
| Similar Flags #2 | 0 | - | 4.74 | 136,338 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,212 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,200 |
| Northernmost Countries | 0 | - | 4.99 | 357,616 |
| Countries of South America | 0 | - | 5.00 | 914,356 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,042 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,847,556 |
| "Land" Countries | 0 | - | 4.98 | 333,586 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,353 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,971 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,376 |
