| All Country Flags of the World | 0 | - | 5.00 | 3,685,797 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,541,057 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,747 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,726 |
| Flags with Crescents | 0 | - | 4.98 | 170,465 |
| Country Flag Trivia | 0 | - | 4.81 | 57,475 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,257 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,912 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,909 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,546 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,562 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,125 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,364 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,521 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,082 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,661 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,881 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,562 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,782 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,911 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,835 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,838 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,835 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,932 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,722 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,348 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,794 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,860 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,265 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,602 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,712 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,054 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,267 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,339 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,228 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,609 |
| Flags of North and South America | 0 | - | 4.99 | 374,765 |
| Former Flags | 0 | - | 4.97 | 108,054 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,050 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,752 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,680 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,080 |
| 20 Random Country Flags | 0 | - | 4.99 | 615,295 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,982 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,348 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,908 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,930 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,191 |
| Flag Maths | 0 | - | 4.64 | 57,798 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,299 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,917 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,095 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,899 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,562 |
| World Coats of Arms | 0 | - | 4.99 | 64,793 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,978 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,288 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,087 |
| Similar Flags #1 | 0 | - | 4.75 | 130,356 |
| Similar Flags #2 | 0 | - | 4.74 | 137,648 |
| Emoji Flags | 0 | - | 4.35 | 44,176 |
| Countries by Road Signs | 0 | - | 4.98 | 54,084 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,806 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,376 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,602 |
| Select the World Flags | 0 | - | 4.27 | 37,860 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,229 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,020 |
| Name a Valid Country Flag | 0 | - | 4.69 | 76,059 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,585 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,292 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,360 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,017 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,599 |
| Countries by Picture #1 | 0 | - | 4.52 | 118,778 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,925 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,045 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,250,139 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,622 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,175 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,125 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,648 |
| Pixelated World Map | 0 | - | 5.00 | 143,713 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,987 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,387 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 729,338 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,765 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,810 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,295 |
| Cities by Satellite #1 | 0 | - | 4.36 | 81,650 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,209 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,689 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,168 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,577 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,140 |
| Geography by Picture - B | 0 | - | 4.42 | 55,692 |
| Geography by Picture - H | 0 | - | 4.50 | 58,298 |
| Geography by Picture - N | 0 | - | 4.45 | 42,269 |
| Geography by Picture - R | 0 | - | 4.56 | 41,085 |
| Geography by Picture - T | 0 | - | 4.54 | 57,916 |
| Flags of Oceania | 0 | - | 5.00 | 260,929 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,845 |
| Flags of WW1 | 0 | - | 4.60 | 38,530 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,212 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,132 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,454 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,067 |
| Boundary Waters | 0 | - | 4.92 | 88,613 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,285 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,357 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,844 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,688 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,653 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,476 |
| All Germanic Languages With a Map | 0 | - | 4.89 | 68,969 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,642,063 |
| Landlocked Countries | 0 | - | 4.99 | 422,722 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 579,377 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,618 |
| Satellite Images #1 | 0 | - | 4.47 | 129,509 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,430 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,013 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,035 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,057 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,237 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,850 |
| World Capitals Quiz | 0 | - | 5.00 | 5,087,919 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,733 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,566 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,784,046 |
| Merged Countries #2 | 0 | - | 4.96 | 99,315 |
| Merged Countries #6 | 0 | - | 4.90 | 73,534 |
| Merged Countries #7 | 0 | - | 4.93 | 82,873 |
| Geography by Picture - A | 0 | - | 4.39 | 60,340 |
| Geography by Picture - D | 0 | - | 4.15 | 45,721 |
| Geography by Picture - F | 0 | - | 4.31 | 51,086 |
| Geography by Picture - G | 0 | - | 4.39 | 48,019 |
| Geography by Picture - J | 0 | - | 4.16 | 38,525 |
| Geography by Picture - K | 0 | - | 4.29 | 33,185 |
| Geography by Picture - C | 0 | - | 4.31 | 57,146 |
| Geography by Picture - L | 0 | - | 4.37 | 59,060 |
| Geography by Picture - M | 0 | - | 4.14 | 40,519 |
| Geography by Picture - P | 0 | - | 4.24 | 42,497 |
| Geography by Picture - S | 0 | - | 4.38 | 47,104 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,433 |
| Islands by Picture | 0 | - | 4.28 | 107,336 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,747 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,095 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,517 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,528 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,285 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 165,190 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,280 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,592,513 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,736 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,794 |
| Island Countries | 0 | - | 4.99 | 711,310 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,894 |
| Himalayan Countries | 0 | - | 4.95 | 139,068 |
| Andean Countries | 0 | - | 4.93 | 84,821 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,049 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,137 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,627 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,944 |
| Danube Countries | 0 | - | 4.97 | 72,109 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,142 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,512 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,476 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,966 |
| European Landlocked Countries | 0 | - | 4.99 | 147,243 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,784 |
| Countries with the Most Species | 0 | - | 4.99 | 103,320 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,910 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,635 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,757 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,604 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,330 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,751 |
| Countries in the Alps | 0 | - | 4.87 | 118,324 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,599 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,215 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,727 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,685 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,598 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,008 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,766 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,577 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,230 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,934 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,699 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,578 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,306 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,546 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,612 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,079 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,376 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,559 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,220 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,348 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,359 |
