| All Country Flags of the World | 0 | - | 5.00 | 3,484,459 |
| Countries by Satellite Image #1 | 0 | - | 4.88 | 141,925 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 80,952 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 47,843 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 59,799 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,504,160 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,076,588 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 722,060 |
| Flags with Crescents | 0 | - | 4.98 | 163,526 |
| Country Flag Trivia | 0 | - | 4.81 | 53,452 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 99,622 |
| Country Flags with the Union Jack | 0 | - | 4.81 | 66,549 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 82,988 |
| Flag Maths | 0 | - | 4.90 | 57,335 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 50,308 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,094 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,096 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,335 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 71,554 |
| Countries by Coat of Arms #2 | 0 | - | 4.82 | 40,846 |
| World Coats of Arms | 0 | - | 4.99 | 62,654 |
| Flags to Languages | 0 | - | 4.95 | 169,794 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 70,200 |
| Countries by Satellite Image #2 | 0 | - | 4.79 | 68,760 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,054 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,206 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 43,755 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 64,544 |
| Islands by Satellite Image #1 | 0 | - | 4.74 | 68,907 |
| Geography by Picture - B | 0 | - | 4.42 | 54,940 |
| Geography by Picture - H | 0 | - | 4.49 | 57,633 |
| Geography by Picture - N | 0 | - | 4.45 | 41,687 |
| Geography by Picture - R | 0 | - | 4.55 | 40,547 |
| Geography by Picture - T | 0 | - | 4.54 | 57,265 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 72,852 |
| Peninsulas by Satellite Image | 0 | - | 4.52 | 27,404 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 61,154 |
| Countries by Road Signs | 0 | - | 4.98 | 51,659 |
| Islands by Shape #2 | 0 | - | 4.89 | 49,173 |
| Cities by Satellite #1 | 0 | - | 4.38 | 78,710 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,580 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 141,259 |
| Geography by Picture - A | 0 | - | 4.38 | 59,563 |
| Geography by Picture - D | 0 | - | 4.15 | 45,116 |
| Geography by Picture - F | 0 | - | 4.30 | 50,439 |
| Geography by Picture - G | 0 | - | 4.38 | 47,451 |
| Geography by Picture - J | 0 | - | 4.16 | 38,025 |
| Geography by Picture - K | 0 | - | 4.28 | 32,711 |
| Geography by Picture - C | 0 | - | 4.30 | 56,503 |
| Geography by Picture - L | 0 | - | 4.36 | 58,330 |
| Geography by Picture - M | 0 | - | 4.14 | 40,051 |
| Geography by Picture - P | 0 | - | 4.23 | 42,006 |
| Geography by Picture - S | 0 | - | 4.37 | 46,560 |
| Miscellaneous Flags Quiz | 0 | - | 4.41 | 274,515 |
| Cities by Picture #1 | 0 | - | 4.70 | 84,091 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 73,931 |
| Countries by Picture #1 | 0 | - | 4.53 | 96,894 |
| Countries by Picture #3 | 0 | - | 4.53 | 58,299 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 46,583 |
| Emoji Flags | 0 | - | 4.34 | 43,274 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 376,197 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,188,200 |
| Flags of Asia Quiz | 0 | - | 4.99 | 589,279 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 138,781 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 110,731 |
| Flags with the Most Stars | 0 | - | 4.90 | 121,635 |
| Flags that are Red & White Only | 0 | - | 4.97 | 142,283 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 141,365 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 51,569 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 44,648 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 64,358 |
| Pixelated World Map | 0 | - | 5.00 | 139,642 |
| Country Flags with the Most Red | 0 | - | 4.98 | 116,429 |
| Country Flags with the Most Blue | 0 | - | 4.90 | 89,752 |
| Country Flags with the Most Green | 0 | - | 4.96 | 96,829 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 96,744 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 96,560 |
| Country Flags with the Most Black | 0 | - | 4.95 | 95,141 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 66,250 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.94 | 48,640 |
| Country Flags Slideshow | 0 | - | 4.90 | 45,389 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 96,713 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 77,988 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 62,433 |
| Countries by Partial Flag Images #6 | 0 | - | 4.88 | 37,074 |
| Countries With Blue and White Flags | 0 | - | 4.89 | 97,142 |
| Flags of Africa Quiz | 0 | - | 5.00 | 446,886 |
| Flags of North and South America | 0 | - | 4.99 | 348,430 |
| Former Flags | 0 | - | 4.98 | 104,708 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 18,865 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 70,001 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.85 | 34,845 |
| Country Flags With Blue Removed | 0 | - | 4.91 | 42,239 |
| Geography by Picture - E | 0 | - | 3.55 | 46,997 |
| Landforms by Picture | 0 | - | 4.31 | 20,301 |
| Geography by Picture - I | 0 | - | 3.99 | 39,056 |
| Boundary Waters | 0 | - | 4.92 | 87,247 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 34,208 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 93,768 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 59,089 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 58,713 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 68,373 |
| Countries by Partial Flag Images #7 | 0 | - | 4.87 | 28,443 |
| Countries by Picture #4 | 0 | - | 4.17 | 44,551 |
| Countries by Picture #2 | 0 | - | 4.37 | 68,725 |
| Countries by Picture #5 | 0 | - | 4.25 | 42,628 |
| Countries by Picture #6 | 0 | - | 4.14 | 35,562 |
| Flags of Oceania | 0 | - | 5.00 | 246,965 |
| Three Band Flags of Europe | 0 | - | 4.97 | 188,399 |
| Select the World Flags | 0 | - | 4.28 | 36,722 |
| Landmarks Picture Quiz #2 | 0 | - | 4.40 | 128,569 |
| Pixelated Africa Map | 0 | - | 4.98 | 96,959 |
| Pixelated Asia Map | 0 | - | 4.91 | 70,772 |
| Pixelated Europe Map | 0 | - | 4.87 | 119,384 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,001 |
| Countries of the World Quiz | 0 | - | 5.00 | 45,857,022 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 57,827 |
| A-Z Cities by Pictures | 0 | - | 4.55 | 42,897 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 401,347 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 519,214 |
| 20 Random Country Flags | 0 | - | 4.99 | 570,062 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 110,732 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 81,551 |
| Flags of the Mediterranean | 0 | - | 4.95 | 145,130 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.35 | 19,343 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,572 |
| World Geography on a Map #1 | 0 | - | 4.94 | 72,332 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 93,222 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 162,508 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 120,871 |
| World Capitals Quiz | 0 | - | 5.00 | 4,942,456 |
| Sahara Desert Countries | 0 | - | 4.98 | 154,862 |
| Himalayan Countries | 0 | - | 4.95 | 130,318 |
| Andean Countries | 0 | - | 4.94 | 78,075 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 60,168 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 119,401 |
| Coffee Producing Countries | 0 | - | 4.81 | 63,580 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 62,642 |
| Danube Countries | 0 | - | 4.97 | 63,074 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 99,912 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 84,057 |
| Countries with the Worst Passports | 0 | - | 4.93 | 79,704 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 144,228 |
| European Landlocked Countries | 0 | - | 4.99 | 143,877 |
| Partially Recognized Countries | 0 | - | 4.98 | 102,674 |
| Countries with the Most Species | 0 | - | 4.99 | 94,067 |
| Countries 197 to 205 | 0 | - | 4.88 | 67,064 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 52,642 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,826 |
| Countries that Use the Peso | 0 | - | 4.87 | 57,946 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 71,547 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 55,711 |
| Countries in the Alps | 0 | - | 4.87 | 114,557 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 93,087 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 102,360 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,059 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 93,712 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 113,541 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 93,771 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 97,656 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 51,638 |
| Largest Country by Body of Water | 0 | - | 4.96 | 49,415 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 60,767 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 52,500 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,297 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 102,180 |
| Arctic Ocean Countries | 0 | - | 4.95 | 77,642 |
| Countries with the Most Grassland | 0 | - | 4.93 | 75,574 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 113,931 |
| Countries with the Most Climate Zones | 0 | - | 4.95 | 66,532 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 58,289 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 42,580 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 232,451 |
| World Countries - Blind Typing | 0 | - | 5.00 | 101,648 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 46,646 |
| Largest Countries By Category | 0 | - | 4.97 | 154,535 |
| Countries by Countries | 0 | - | 4.96 | 60,768 |
| Country Flags with the Most White | 0 | - | 4.87 | 135,224 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,464 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 46,939 |
| All Countries by Population With a Map | 0 | - | 4.98 | 102,214 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 95,868 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 86,258 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,620,495 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 142,850 |
| Western Europe Map Quiz | 0 | - | 4.87 | 92,753 |
| Geography by Picture - O | 0 | - | 3.99 | 27,787 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 80,518 |
| Who Controls It? #1 | 0 | - | 4.83 | 47,843 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 33,634 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 201,822 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 125,633 |
| Longest International Borders | 0 | - | 4.99 | 260,987 |
| Countries with Three Borders | 0 | - | 4.96 | 35,519 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 40,798 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 46,595 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 36,470 |
| Demonym of Every Country | 0 | - | 4.91 | 57,132 |
| Islands by Shape #1 | 0 | - | 4.31 | 82,851 |
| Islands by Picture | 0 | - | 4.29 | 103,836 |
