| All Country Flags of the World | 0 | - | 5.00 | 3,596,534 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,525,130 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,861 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,275 |
| Flags with Crescents | 0 | - | 4.98 | 167,371 |
| Country Flag Trivia | 0 | - | 4.81 | 55,817 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,280 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,373 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,787 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,958 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,533 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,023 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,646 |
| Flags that are Red & White Only | 0 | - | 4.97 | 157,567 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,442 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 73,576 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,502 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,513 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,222 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,617 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,700 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,489 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,172 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,740 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,213 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,624 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,693 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,308 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,621 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,657 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,888 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 97,990 |
| Flags of North and South America | 0 | - | 4.99 | 366,131 |
| Flags to Languages | 0 | - | 4.95 | 172,387 |
| Former Flags | 0 | - | 4.97 | 106,563 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,582 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,142 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,700 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,480 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,672 |
| 20 Random Country Flags | 0 | - | 4.99 | 603,823 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,000 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 82,552 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,425 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,354 |
| Flag Maths | 0 | - | 4.78 | 57,666 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,259 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,915 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,410 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,329 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,257 |
| World Coats of Arms | 0 | - | 4.99 | 63,802 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,296 |
| Similar Flags #1 | 0 | - | 4.74 | 129,013 |
| Similar Flags #2 | 0 | - | 4.74 | 136,270 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,265 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,674 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,732 |
| Emoji Flags | 0 | - | 4.35 | 43,794 |
| Countries by Road Signs | 0 | - | 4.98 | 53,029 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,974 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,964 |
| Select the World Flags | 0 | - | 4.27 | 37,379 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,234 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,527 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,000 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,650 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,784 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,659 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,200 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,328 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,952 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,345 |
| Name a Valid Country Flag | 0 | - | 4.64 | 74,730 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,856 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,819 |
| Pixelated World Map | 0 | - | 5.00 | 142,319 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,577 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,323 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,628 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,912 |
| Boundary Waters | 0 | - | 4.92 | 88,010 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,792 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,203 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,176 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,786 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,674 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,213 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,893 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,021 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,524 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,135 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,901 |
| Geography by Picture - B | 0 | - | 4.42 | 55,391 |
| Geography by Picture - H | 0 | - | 4.49 | 58,024 |
| Geography by Picture - N | 0 | - | 4.45 | 42,038 |
| Geography by Picture - R | 0 | - | 4.55 | 40,869 |
| Geography by Picture - T | 0 | - | 4.54 | 57,655 |
| Flags of Oceania | 0 | - | 5.00 | 254,795 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,718 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,380 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,001 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,330 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,713 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,871,884 |
| Flags of WW1 | 0 | - | 4.60 | 37,898 |
| Landlocked Countries | 0 | - | 4.99 | 413,088 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 551,362 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,974 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,959 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,622 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,624 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,781 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,299 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,735 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,123 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,930 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,501 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,868 |
| World Capitals Quiz | 0 | - | 5.00 | 5,027,450 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,351 |
| Himalayan Countries | 0 | - | 4.95 | 135,136 |
| Andean Countries | 0 | - | 4.94 | 82,715 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,133 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,051 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,804 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,507 |
| Danube Countries | 0 | - | 4.97 | 71,022 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,683 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,479 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,341 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,260 |
| European Landlocked Countries | 0 | - | 4.99 | 145,691 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,096 |
| Countries with the Most Species | 0 | - | 4.99 | 95,209 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,250 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,183 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,342 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,920 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,537 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,893 |
| Countries in the Alps | 0 | - | 4.87 | 116,728 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,501 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,132 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,963 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,354 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,089 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,948 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,501 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,706 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,753 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,999 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,176 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,009 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,393 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,696 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,697 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,935 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,584 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,214 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,713 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,959 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,446 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,559 |
| Largest Countries By Category | 0 | - | 4.97 | 156,663 |
| Countries by Countries | 0 | - | 4.96 | 62,195 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,276 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,942 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,310 |
| Merged Country Flags | 0 | - | 4.88 | 105,943 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,473 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,034 |
| Colourful Countries of the World | 0 | - | 4.99 | 58,998 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,691 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,711,610 |
| Merged Countries #2 | 0 | - | 4.96 | 98,410 |
| Merged Countries #6 | 0 | - | 4.91 | 72,660 |
| Merged Countries #7 | 0 | - | 4.92 | 81,909 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,654 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,467 |
| Geography by Picture - A | 0 | - | 4.39 | 60,030 |
| Geography by Picture - D | 0 | - | 4.15 | 45,474 |
| Geography by Picture - F | 0 | - | 4.31 | 50,813 |
| Geography by Picture - G | 0 | - | 4.38 | 47,776 |
| Geography by Picture - J | 0 | - | 4.16 | 38,326 |
| Geography by Picture - K | 0 | - | 4.28 | 33,004 |
| Geography by Picture - C | 0 | - | 4.31 | 56,894 |
| Geography by Picture - L | 0 | - | 4.37 | 58,735 |
| Geography by Picture - M | 0 | - | 4.14 | 40,338 |
| Geography by Picture - P | 0 | - | 4.24 | 42,291 |
| Geography by Picture - S | 0 | - | 4.38 | 46,900 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,502 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,221 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,413 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,220 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,569 |
| Longest International Borders | 0 | - | 4.99 | 263,417 |
| Countries with Three Borders | 0 | - | 4.96 | 36,143 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,574 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,623 |
