| All Country Flags of the World | 0 | - | 5.00 | 3,594,005 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,524,578 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,601 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 729,102 |
| Flags with Crescents | 0 | - | 4.98 | 167,260 |
| Country Flag Trivia | 0 | - | 4.81 | 55,773 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,230 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,334 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,722 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,336 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,265 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,929 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,332 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 113,858 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,447 |
| Flags that are Red & White Only | 0 | - | 4.97 | 148,011 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 144,241 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 73,164 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,396 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,382 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,050 |
| Country Flags with the Most Blue | 0 | - | 4.87 | 91,527 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,604 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,419 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,111 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,671 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,178 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,584 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,659 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,259 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,559 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,597 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,823 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 97,956 |
| Flags of North and South America | 0 | - | 4.99 | 365,438 |
| Flags to Languages | 0 | - | 4.95 | 172,330 |
| Former Flags | 0 | - | 4.97 | 106,526 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,533 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,136 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,651 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,412 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,648 |
| 20 Random Country Flags | 0 | - | 4.99 | 603,463 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 111,969 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 82,528 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,360 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,310 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,055 |
| Flag Maths | 0 | - | 4.78 | 57,663 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,220 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,893 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,393 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,313 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,252 |
| World Coats of Arms | 0 | - | 4.99 | 63,783 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,217 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,628 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,650 |
| Country Flags with the Southern Cross | 0 | - | 4.78 | 61,278 |
| Similar Flags #1 | 0 | - | 4.74 | 128,961 |
| Similar Flags #2 | 0 | - | 4.74 | 136,221 |
| Emoji Flags | 0 | - | 4.35 | 43,785 |
| Countries by Road Signs | 0 | - | 4.98 | 52,975 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,946 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,944 |
| Select the World Flags | 0 | - | 4.27 | 37,357 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,202 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,516 |
| Name a Valid Country Flag | 0 | - | 4.64 | 74,692 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 70,986 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,633 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,765 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,650 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,189 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,295 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,934 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,331 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,223,959 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,451 |
| Pixelated World Map | 0 | - | 5.00 | 141,811 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,185 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,272 |
| Australian States and Territories | 0 | - | 4.95 | 140,547 |
| Counties of England | 0 | - | 4.97 | 788,262 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,228 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,601 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,904 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,182 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,882 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,011 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,509 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,121 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,891 |
| Geography by Picture - B | 0 | - | 4.42 | 55,385 |
| Geography by Picture - H | 0 | - | 4.49 | 58,016 |
| Geography by Picture - N | 0 | - | 4.45 | 42,030 |
| Geography by Picture - R | 0 | - | 4.55 | 40,864 |
| Geography by Picture - T | 0 | - | 4.54 | 57,647 |
| Flags of Oceania | 0 | - | 5.00 | 254,593 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,630 |
| Flags of WW1 | 0 | - | 4.60 | 37,867 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,349 |
| Regions of Italy | 0 | - | 4.92 | 74,592 |
| Provinces of China | 0 | - | 4.97 | 199,686 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,133 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,833 |
| States of Germany | 0 | - | 4.96 | 149,758 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,941 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,280 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,634 |
| Boundary Waters | 0 | - | 4.92 | 87,990 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,787 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,173 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,126 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,760 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,648 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 92,693 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,500 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,250 |
| US States Quiz | 0 | - | 5.00 | 16,677,956 |
| Departments of France | 0 | - | 4.93 | 52,643 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,850,269 |
| Landlocked Countries | 0 | - | 4.99 | 412,864 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 550,576 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 50,985 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,956 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,952 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,615 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,613 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,774 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,270 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,730 |
| World Capitals Quiz | 0 | - | 5.00 | 5,025,483 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,709,645 |
| Merged Countries #2 | 0 | - | 4.96 | 98,385 |
| Merged Countries #6 | 0 | - | 4.91 | 72,640 |
| Merged Countries #7 | 0 | - | 4.93 | 81,881 |
| Geography by Picture - A | 0 | - | 4.39 | 60,018 |
| Geography by Picture - D | 0 | - | 4.15 | 45,466 |
| Geography by Picture - F | 0 | - | 4.31 | 50,807 |
| Geography by Picture - G | 0 | - | 4.38 | 47,774 |
| Geography by Picture - J | 0 | - | 4.16 | 38,313 |
| Geography by Picture - K | 0 | - | 4.28 | 32,996 |
| Geography by Picture - C | 0 | - | 4.31 | 56,890 |
| Geography by Picture - L | 0 | - | 4.37 | 58,728 |
| Geography by Picture - M | 0 | - | 4.14 | 40,327 |
| Geography by Picture - P | 0 | - | 4.24 | 42,286 |
| Geography by Picture - S | 0 | - | 4.38 | 46,893 |
| Counties of Ireland | 0 | - | 4.92 | 192,786 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,409 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,168 |
| Islands by Picture | 0 | - | 4.29 | 105,742 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,104 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,901 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,458 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,838 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,002 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 122,841 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,568,897 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,821 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 400,991 |
| Island Countries | 0 | - | 4.99 | 707,229 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,225 |
| Himalayan Countries | 0 | - | 4.95 | 135,046 |
| Andean Countries | 0 | - | 4.94 | 82,660 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,080 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 122,982 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,753 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,462 |
| Danube Countries | 0 | - | 4.97 | 70,992 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,635 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,453 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,287 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,193 |
| European Landlocked Countries | 0 | - | 4.99 | 145,664 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,048 |
| Countries with the Most Species | 0 | - | 4.99 | 95,186 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,189 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,174 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,333 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,907 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,510 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,864 |
| Countries in the Alps | 0 | - | 4.87 | 116,680 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,467 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,078 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,939 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,319 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,064 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,934 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,470 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,683 |
| Largest Country by Body of Water | 0 | - | 4.95 | 55,458 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,966 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,164 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,995 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,362 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,670 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,672 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,857 |
