| Name the Pixelated Landmark | 0 | - | 4.84 | 63,170 |
| All Country Flags of the World | 0 | - | 5.00 | 3,680,218 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,754 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,540,082 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,306 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,407 |
| Flags with Crescents | 0 | - | 4.98 | 170,105 |
| Country Flag Trivia | 0 | - | 4.81 | 57,358 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,141 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,813 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,794 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,051 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,222 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,866 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,067 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,868 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,550 |
| World Coats of Arms | 0 | - | 4.99 | 64,712 |
| Flags to Languages | 0 | - | 4.95 | 173,924 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 131,012 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,698 |
| Geography by Picture - B | 0 | - | 4.42 | 55,676 |
| Geography by Picture - H | 0 | - | 4.50 | 58,282 |
| Geography by Picture - N | 0 | - | 4.45 | 42,250 |
| Geography by Picture - R | 0 | - | 4.56 | 41,070 |
| Geography by Picture - T | 0 | - | 4.54 | 57,900 |
| Countries by Road Signs | 0 | - | 4.98 | 54,024 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,845 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,344 |
| Geography by Picture - A | 0 | - | 4.39 | 60,325 |
| Geography by Picture - D | 0 | - | 4.15 | 45,711 |
| Geography by Picture - F | 0 | - | 4.31 | 51,071 |
| Geography by Picture - G | 0 | - | 4.39 | 48,001 |
| Geography by Picture - J | 0 | - | 4.16 | 38,514 |
| Geography by Picture - K | 0 | - | 4.29 | 33,175 |
| Geography by Picture - C | 0 | - | 4.31 | 57,129 |
| Geography by Picture - L | 0 | - | 4.37 | 59,038 |
| Geography by Picture - M | 0 | - | 4.14 | 40,506 |
| Geography by Picture - P | 0 | - | 4.24 | 42,480 |
| Geography by Picture - S | 0 | - | 4.38 | 47,086 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,171 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,994 |
| Flag Maths | 0 | - | 4.64 | 57,792 |
| Satellite Images #1 | 0 | - | 4.47 | 129,487 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,404 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,992 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,010 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,045 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,184 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,559 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,263 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,335 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,000 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,581 |
| Countries by Picture #1 | 0 | - | 4.51 | 118,461 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,897 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,006 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,624 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,914 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,248,565 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,872 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,227 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,410 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,938 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,572 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,753 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,464 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,655 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,830 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,765 |
| Pixelated World Map | 0 | - | 5.00 | 143,643 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,759 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,769 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,868 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,665 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 99,306 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,736 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,835 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,237 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,545 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,643 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,995 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,187 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,284 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,152 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,358 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,578 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,180 |
| Flags of North and South America | 0 | - | 4.99 | 374,302 |
| Emoji Flags | 0 | - | 4.35 | 44,152 |
| Former Flags | 0 | - | 4.97 | 107,975 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,450 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,853 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,030 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,643 |
| Geography by Picture - E | 0 | - | 3.55 | 47,426 |
| Landforms by Picture | 0 | - | 4.31 | 20,701 |
| Geography by Picture - I | 0 | - | 4.00 | 39,467 |
| Geography by Picture - O | 0 | - | 4.01 | 28,175 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,489 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,169 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,659 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,125 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,550 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,112 |
| Flags of Oceania | 0 | - | 5.00 | 260,519 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,705 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,996 |
| Select the World Flags | 0 | - | 4.27 | 37,834 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,946 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,070 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,389 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,987 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,058 |
| Boundary Waters | 0 | - | 4.92 | 88,579 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,260 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,283 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,746 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,622 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,593 |
| 20 Random Country Flags | 0 | - | 4.99 | 614,627 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,932 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,307 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,826 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,594,207 |
| Landlocked Countries | 0 | - | 4.99 | 422,115 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 577,241 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,842 |
| World Capitals Quiz | 0 | - | 5.00 | 5,083,992 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,779,857 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,201 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 72,135 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,419 |
| Islands by Picture | 0 | - | 4.28 | 107,255 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,716 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,035 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,432 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,442 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,683 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,188 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,590,840 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,546 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,396 |
| Island Countries | 0 | - | 4.99 | 711,095 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,538 |
| Himalayan Countries | 0 | - | 4.94 | 138,803 |
| Andean Countries | 0 | - | 4.93 | 84,652 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,846 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,892 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,474 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,835 |
| Danube Countries | 0 | - | 4.97 | 72,030 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,036 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,439 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,345 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,824 |
| European Landlocked Countries | 0 | - | 4.99 | 147,158 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,674 |
| Countries with the Most Species | 0 | - | 4.99 | 103,252 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,789 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,601 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,729 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,553 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,246 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,676 |
| Countries in the Alps | 0 | - | 4.87 | 118,228 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,198 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,060 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,666 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,609 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,529 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,957 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,691 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,508 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,188 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,863 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,663 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,533 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,240 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,485 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,543 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,941 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,326 |
| Similar Flags #1 | 0 | - | 4.75 | 130,281 |
| Similar Flags #2 | 0 | - | 4.74 | 137,569 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 63,963 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,104 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,015 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,172 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,249 |
| Largest Countries By Category | 0 | - | 4.97 | 158,238 |
| Countries by Countries | 0 | - | 4.96 | 63,247 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,705 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,296 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,892 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,571 |
| Merged Country Flags | 0 | - | 4.88 | 106,962 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,653 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,040 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,687 |
