| All Country Flags of the World | 0 | - | 5.00 | 3,718,965 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,203 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,815 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,675 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,782 |
| Flags with Crescents | 0 | - | 4.98 | 171,523 |
| Country Flag Trivia | 0 | - | 4.82 | 58,181 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,026 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,527 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,731 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,553 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,942 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,223 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,306 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,094 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,664 |
| World Coats of Arms | 0 | - | 4.99 | 65,243 |
| Flags to Languages | 0 | - | 4.95 | 174,604 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,077 |
| Geography by Picture - B | 0 | - | 4.42 | 55,803 |
| Geography by Picture - H | 0 | - | 4.50 | 58,406 |
| Geography by Picture - N | 0 | - | 4.45 | 42,366 |
| Geography by Picture - R | 0 | - | 4.56 | 41,168 |
| Geography by Picture - T | 0 | - | 4.54 | 58,023 |
| Countries by Road Signs | 0 | - | 4.98 | 54,395 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,553 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,566 |
| Geography by Picture - A | 0 | - | 4.39 | 60,456 |
| Geography by Picture - D | 0 | - | 4.15 | 45,803 |
| Geography by Picture - F | 0 | - | 4.31 | 51,205 |
| Geography by Picture - G | 0 | - | 4.39 | 48,098 |
| Geography by Picture - J | 0 | - | 4.16 | 38,617 |
| Geography by Picture - K | 0 | - | 4.29 | 33,268 |
| Geography by Picture - C | 0 | - | 4.31 | 57,255 |
| Geography by Picture - M | 0 | - | 4.14 | 40,596 |
| Geography by Picture - P | 0 | - | 4.24 | 42,585 |
| Geography by Picture - S | 0 | - | 4.38 | 47,195 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,232 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,542 |
| Flag Maths | 0 | - | 4.61 | 57,856 |
| Satellite Images #1 | 0 | - | 4.46 | 130,030 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,725 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,420 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,274 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,245 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,618 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,603 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,803 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,518 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,564 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,152 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,730 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,472 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,086 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,234 |
| Emoji Flags | 0 | - | 4.35 | 44,302 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,676 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 67,032 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,321 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,943 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 396,234 |
| Boundary Waters | 0 | - | 4.92 | 88,803 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,430 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,766 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,428 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,013 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,029 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,473 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,469 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,048 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,268 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,710 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,441 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,783 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,488 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,432 |
| Pixelated World Map | 0 | - | 5.00 | 144,164 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,440 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,358 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,424 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,209 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,813 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,220 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,150 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,526 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,977 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,122 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,475 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,725 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,798 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,765 |
| Landforms by Picture | 0 | - | 4.31 | 20,758 |
| Geography by Picture - I | 0 | - | 4.00 | 39,546 |
| Geography by Picture - O | 0 | - | 4.01 | 28,259 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,816 |
| Former Flags | 0 | - | 4.97 | 108,689 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,267 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,056 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,259,595 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,104 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,323 |
| Flags of North and South America | 0 | - | 4.99 | 377,466 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,512 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,439 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,818 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,411 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,717 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,244 |
| Select the World Flags | 0 | - | 4.28 | 38,012 |
| Landmarks Picture Quiz #2 | 0 | - | 4.39 | 136,181 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,247 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,923,314 |
| Landlocked Countries | 0 | - | 4.99 | 426,611 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 590,260 |
| Flags of Oceania | 0 | - | 5.00 | 263,067 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,700 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,511 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,824 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,537 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,189 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 44,126 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,955 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,451 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,069 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,099 |
| World Capitals Quiz | 0 | - | 5.00 | 5,109,832 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,584 |
| Himalayan Countries | 0 | - | 4.93 | 140,520 |
| Andean Countries | 0 | - | 4.94 | 85,638 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,773 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,238 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,329 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,563 |
| Danube Countries | 0 | - | 4.97 | 72,475 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,690 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,904 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,280 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,744 |
| European Landlocked Countries | 0 | - | 4.99 | 147,677 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,412 |
| Countries with the Most Species | 0 | - | 4.99 | 103,607 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,519 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,791 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,917 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,881 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,621 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,078 |
| Countries in the Alps | 0 | - | 4.87 | 118,863 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,808 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,008 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,015 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,098 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,042 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,327 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,475 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,926 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,472 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,243 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,919 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,788 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,620 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,855 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,953 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,010 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,663 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,675 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,760 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,973 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,318 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,558 |
| Largest Countries By Category | 0 | - | 4.97 | 158,956 |
| Countries by Countries | 0 | - | 4.97 | 63,718 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,339 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,427 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,689 |
| Merged Country Flags | 0 | - | 4.88 | 107,426 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,199 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,473 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,725 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,158 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,808,108 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,329 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,639 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,527 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,012 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,440 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,903 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,847 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,633 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,201 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,248 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,605 |
| Longest International Borders | 0 | - | 4.99 | 265,895 |
| Countries with Three Borders | 0 | - | 4.96 | 36,805 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,387 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,524 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,195 |
| Demonym of Every Country | 0 | - | 4.90 | 61,552 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,531 |
| Islands by Picture | 0 | - | 4.28 | 107,874 |
