| All Country Flags of the World | 0 | - | 5.00 | 3,606,195 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,456 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,999 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,463 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,073 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,527,112 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,764 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,923 |
| Flags with Crescents | 0 | - | 4.98 | 167,681 |
| Country Flag Trivia | 0 | - | 4.81 | 55,992 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,504 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,528 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,001 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,093 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,011 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,669 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,671 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,819 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,393 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,291 |
| World Coats of Arms | 0 | - | 4.99 | 63,915 |
| Flags to Languages | 0 | - | 4.95 | 172,578 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,072 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,705 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,847 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.56 | 46,699 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,235 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,777 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,131 |
| Geography by Picture - B | 0 | - | 4.42 | 55,428 |
| Geography by Picture - H | 0 | - | 4.49 | 58,062 |
| Geography by Picture - N | 0 | - | 4.45 | 42,059 |
| Geography by Picture - R | 0 | - | 4.55 | 40,885 |
| Geography by Picture - T | 0 | - | 4.54 | 57,691 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,257 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,675 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,497 |
| Countries by Road Signs | 0 | - | 4.98 | 53,145 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,007 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,315 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,924 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,539 |
| Geography by Picture - A | 0 | - | 4.39 | 60,063 |
| Geography by Picture - D | 0 | - | 4.15 | 45,509 |
| Geography by Picture - F | 0 | - | 4.31 | 50,840 |
| Geography by Picture - G | 0 | - | 4.38 | 47,800 |
| Geography by Picture - J | 0 | - | 4.16 | 38,344 |
| Geography by Picture - K | 0 | - | 4.28 | 33,027 |
| Geography by Picture - C | 0 | - | 4.31 | 56,921 |
| Geography by Picture - L | 0 | - | 4.37 | 58,775 |
| Geography by Picture - M | 0 | - | 4.14 | 40,353 |
| Geography by Picture - P | 0 | - | 4.24 | 42,312 |
| Geography by Picture - S | 0 | - | 4.38 | 46,923 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,515 |
| Flag Maths | 0 | - | 4.78 | 57,682 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,408 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,340 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,409 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,000 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,415 |
| Emoji Flags | 0 | - | 4.35 | 43,828 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,104 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,941 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,085 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,942 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,400 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,036 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,448 |
| Flags that are Red & White Only | 0 | - | 4.97 | 162,063 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,768 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,440 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,696 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,722 |
| Pixelated World Map | 0 | - | 5.00 | 142,507 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,456 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,794 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,866 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,638 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,358 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,867 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,303 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,710 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,802 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,519 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,812 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,923 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,111 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,070 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,897 |
| Flags of North and South America | 0 | - | 4.99 | 367,793 |
| Former Flags | 0 | - | 4.97 | 106,769 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,080 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,282 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,643 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,832 |
| Geography by Picture - E | 0 | - | 3.55 | 47,286 |
| Landforms by Picture | 0 | - | 4.31 | 20,579 |
| Geography by Picture - I | 0 | - | 4.00 | 39,326 |
| Boundary Waters | 0 | - | 4.92 | 88,068 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,835 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,349 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,375 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,876 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,787 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,755 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,049 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,584 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,162 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,923 |
| Flags of Oceania | 0 | - | 5.00 | 255,510 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,972 |
| Select the World Flags | 0 | - | 4.27 | 37,422 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,479 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,134 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,479 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,875 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,723 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,953,634 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,595 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,553 |
| Landlocked Countries | 0 | - | 4.99 | 413,987 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 554,123 |
| 20 Random Country Flags | 0 | - | 4.99 | 604,930 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,109 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,662 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,597 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,576 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,743 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,196 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,051 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,715 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,113 |
| World Capitals Quiz | 0 | - | 5.00 | 5,034,269 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,756 |
| Himalayan Countries | 0 | - | 4.95 | 135,493 |
| Andean Countries | 0 | - | 4.94 | 82,891 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,278 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,291 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,970 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,654 |
| Danube Countries | 0 | - | 4.97 | 71,117 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,817 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,578 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,565 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,474 |
| European Landlocked Countries | 0 | - | 4.99 | 145,800 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,268 |
| Countries with the Most Species | 0 | - | 4.99 | 95,263 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,407 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,212 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,384 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,978 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,601 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,980 |
| Countries in the Alps | 0 | - | 4.86 | 116,898 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,611 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,335 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,040 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,460 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,222 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,043 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,621 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,788 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,448 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,104 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,206 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,065 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,481 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,790 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,783 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,154 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,685 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,277 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,829 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,516 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,809 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,624 |
| Largest Countries By Category | 0 | - | 4.97 | 156,835 |
| Countries by Countries | 0 | - | 4.96 | 62,299 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,464 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,977 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,344 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,820 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,154 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,810 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,720,365 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,756 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,496 |
| Geography by Picture - O | 0 | - | 4.00 | 28,056 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,588 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,251 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,463 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,534 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,652 |
| Longest International Borders | 0 | - | 4.99 | 263,680 |
| Countries with Three Borders | 0 | - | 4.96 | 36,208 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,621 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,707 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,873 |
| Demonym of Every Country | 0 | - | 4.91 | 58,680 |
