| All Country Flags of the World | 0 | - | 5.00 | 3,711,178 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,088 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,545,588 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,999 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,306 |
| Flags with Crescents | 0 | - | 4.98 | 171,265 |
| Country Flag Trivia | 0 | - | 4.81 | 57,977 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,852 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,391 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,548 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,458 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,819 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,162 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,244 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,046 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,638 |
| World Coats of Arms | 0 | - | 4.99 | 65,108 |
| Flags to Languages | 0 | - | 4.95 | 174,474 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,006 |
| Geography by Picture - B | 0 | - | 4.42 | 55,776 |
| Geography by Picture - H | 0 | - | 4.50 | 58,371 |
| Geography by Picture - N | 0 | - | 4.45 | 42,334 |
| Geography by Picture - R | 0 | - | 4.56 | 41,141 |
| Geography by Picture - T | 0 | - | 4.54 | 57,992 |
| Countries by Road Signs | 0 | - | 4.98 | 54,331 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,425 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,517 |
| Geography by Picture - A | 0 | - | 4.39 | 60,427 |
| Geography by Picture - D | 0 | - | 4.15 | 45,777 |
| Geography by Picture - F | 0 | - | 4.31 | 51,166 |
| Geography by Picture - G | 0 | - | 4.39 | 48,072 |
| Geography by Picture - J | 0 | - | 4.16 | 38,588 |
| Geography by Picture - K | 0 | - | 4.29 | 33,242 |
| Geography by Picture - C | 0 | - | 4.31 | 57,229 |
| Geography by Picture - L | 0 | - | 4.37 | 59,129 |
| Geography by Picture - M | 0 | - | 4.14 | 40,573 |
| Geography by Picture - P | 0 | - | 4.24 | 42,556 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,994 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,391 |
| Flag Maths | 0 | - | 4.61 | 57,834 |
| Satellite Images #1 | 0 | - | 4.47 | 129,955 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,645 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,193 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,206 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,185 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,546 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,526 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,767 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,472 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,517 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,117 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,696 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,387 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,052 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,205 |
| Emoji Flags | 0 | - | 4.35 | 44,280 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,620 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,946 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,252 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,927 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,632 |
| Boundary Waters | 0 | - | 4.92 | 88,750 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,405 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,678 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,311 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,941 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,942 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,284 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,277 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,836 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,149 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,557 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,269 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,588 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,356 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,297 |
| Pixelated World Map | 0 | - | 5.00 | 144,074 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,303 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,238 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,310 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,108 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,712 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,111 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,079 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,474 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,910 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,044 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,393 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,629 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,716 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,665 |
| Landforms by Picture | 0 | - | 4.31 | 20,744 |
| Geography by Picture - I | 0 | - | 4.00 | 39,527 |
| Geography by Picture - O | 0 | - | 4.01 | 28,236 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,782 |
| Former Flags | 0 | - | 4.97 | 108,540 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,222 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 44,995 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,257,308 |
| Flags of Asia Quiz | 0 | - | 4.99 | 619,885 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,194 |
| Flags of North and South America | 0 | - | 4.99 | 376,748 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,357 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,389 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,790 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,356 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,685 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,220 |
| Select the World Flags | 0 | - | 4.28 | 37,981 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 131,189 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,217 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,858,497 |
| Landlocked Countries | 0 | - | 4.99 | 425,514 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 587,580 |
| Flags of Oceania | 0 | - | 5.00 | 262,533 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,521 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,433 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,754 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,449 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,157 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 44,096 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,914 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,375 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,942 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,969 |
| World Capitals Quiz | 0 | - | 5.00 | 5,104,442 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,105 |
| Himalayan Countries | 0 | - | 4.93 | 140,124 |
| Andean Countries | 0 | - | 4.94 | 85,372 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,518 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,903 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,095 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,371 |
| Danube Countries | 0 | - | 4.97 | 72,347 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,547 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,799 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,040 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,547 |
| European Landlocked Countries | 0 | - | 4.99 | 147,574 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,247 |
| Countries with the Most Species | 0 | - | 4.99 | 103,541 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,364 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,763 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,868 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,816 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,554 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,981 |
| Countries in the Alps | 0 | - | 4.87 | 118,734 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,550 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,800 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,941 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,993 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,914 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,224 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,363 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,822 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,396 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,150 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,846 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,724 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,532 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,760 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,860 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,761 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,585 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,760 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,634 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,560 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,072 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,484 |
| Largest Countries By Category | 0 | - | 4.97 | 158,812 |
| Countries by Countries | 0 | - | 4.96 | 63,614 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,216 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,389 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,659 |
| Merged Country Flags | 0 | - | 4.88 | 107,356 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,892 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,402 |
| 20 Random Country Flags | 0 | - | 4.99 | 618,652 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,079 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,802,795 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,237 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,570 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,438 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,974 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,304 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,892 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,774 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,612 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,159 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,023 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,551 |
| Longest International Borders | 0 | - | 4.99 | 265,786 |
| Countries with Three Borders | 0 | - | 4.96 | 36,758 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,340 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,483 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,174 |
| Demonym of Every Country | 0 | - | 4.90 | 61,447 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,502 |
| Islands by Picture | 0 | - | 4.28 | 107,752 |
