| Name the Pixelated Landmark | 0 | - | 4.84 | 62,896 |
| All Country Flags of the World | 0 | - | 5.00 | 3,649,630 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,448 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,534,733 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,674 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,612 |
| Flags with Crescents | 0 | - | 4.98 | 169,123 |
| Country Flag Trivia | 0 | - | 4.81 | 56,809 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,458 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,260 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,068 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,631 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,310 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,375 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,738 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,669 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,444 |
| World Coats of Arms | 0 | - | 4.99 | 64,351 |
| Flags to Languages | 0 | - | 4.95 | 173,421 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,848 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,402 |
| Geography by Picture - B | 0 | - | 4.42 | 55,560 |
| Geography by Picture - H | 0 | - | 4.50 | 58,183 |
| Geography by Picture - N | 0 | - | 4.45 | 42,173 |
| Geography by Picture - R | 0 | - | 4.56 | 40,990 |
| Geography by Picture - T | 0 | - | 4.54 | 57,806 |
| Countries by Road Signs | 0 | - | 4.98 | 53,651 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,329 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,204 |
| Geography by Picture - A | 0 | - | 4.39 | 60,202 |
| Geography by Picture - D | 0 | - | 4.15 | 45,616 |
| Geography by Picture - F | 0 | - | 4.31 | 50,956 |
| Geography by Picture - G | 0 | - | 4.38 | 47,914 |
| Geography by Picture - J | 0 | - | 4.16 | 38,433 |
| Geography by Picture - K | 0 | - | 4.29 | 33,100 |
| Geography by Picture - C | 0 | - | 4.31 | 57,033 |
| Geography by Picture - L | 0 | - | 4.37 | 58,908 |
| Geography by Picture - M | 0 | - | 4.14 | 40,424 |
| Geography by Picture - P | 0 | - | 4.24 | 42,401 |
| Geography by Picture - S | 0 | - | 4.38 | 47,016 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,789 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,015 |
| Flag Maths | 0 | - | 4.64 | 57,745 |
| Satellite Images #1 | 0 | - | 4.47 | 129,291 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,244 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,865 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,866 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,941 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,864 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,313 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,988 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,097 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,863 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,423 |
| Countries by Picture #1 | 0 | - | 4.53 | 99,041 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,267 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,714 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,274 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,587 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,315 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,569 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,329 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,589 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,088 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,065 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,025 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,710 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,800 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,341 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,315 |
| Pixelated World Map | 0 | - | 5.00 | 143,166 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,208 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,336 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,451 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,202 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,910 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,367 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,624 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,014 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,231 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,289 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,589 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,803 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,904 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,691 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,000 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,361 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,428 |
| Flags of North and South America | 0 | - | 4.99 | 372,031 |
| Emoji Flags | 0 | - | 4.35 | 44,016 |
| Former Flags | 0 | - | 4.97 | 107,490 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,365 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,784 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,870 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,309 |
| Geography by Picture - E | 0 | - | 3.55 | 47,351 |
| Landforms by Picture | 0 | - | 4.31 | 20,655 |
| Geography by Picture - I | 0 | - | 4.00 | 39,397 |
| Geography by Picture - O | 0 | - | 4.01 | 28,115 |
| Cities by Satellite #1 | 0 | - | 4.37 | 80,904 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,034 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,256 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,938 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,339 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,051 |
| Flags of Oceania | 0 | - | 5.00 | 258,253 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,944 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,839 |
| Select the World Flags | 0 | - | 4.27 | 37,676 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,784 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,671 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,011 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,522 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,891 |
| Boundary Waters | 0 | - | 4.92 | 88,378 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,081 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,914 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,171 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,339 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,275 |
| 20 Random Country Flags | 0 | - | 4.99 | 610,567 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,585 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,031 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,305 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,334,049 |
| Landlocked Countries | 0 | - | 4.99 | 418,935 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 568,003 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,808 |
| World Capitals Quiz | 0 | - | 5.00 | 5,063,714 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,756,883 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,147 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,800 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,311 |
| Islands by Picture | 0 | - | 4.29 | 106,753 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,499 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,624 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,674 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,902 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,993 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,715 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,924 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,609 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,098 |
| Island Countries | 0 | - | 4.99 | 709,756 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,999 |
| Himalayan Countries | 0 | - | 4.94 | 137,424 |
| Andean Countries | 0 | - | 4.95 | 83,939 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,230 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,654 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,832 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,350 |
| Danube Countries | 0 | - | 4.97 | 71,664 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,551 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,057 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,655 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,734 |
| European Landlocked Countries | 0 | - | 4.99 | 146,778 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,140 |
| Countries with the Most Species | 0 | - | 4.99 | 102,907 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,266 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,432 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,587 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,303 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,994 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,363 |
| Countries in the Alps | 0 | - | 4.87 | 117,688 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,133 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,366 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,422 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,981 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,093 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,573 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,285 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,186 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,969 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,551 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,478 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,337 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,925 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,188 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,205 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,186 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,063 |
| Similar Flags #1 | 0 | - | 4.75 | 129,792 |
| Similar Flags #2 | 0 | - | 4.74 | 137,101 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,572 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,530 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,375 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,229 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,999 |
| Largest Countries By Category | 0 | - | 4.97 | 157,636 |
| Countries by Countries | 0 | - | 4.96 | 62,838 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,212 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,160 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,287 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,468 |
| Merged Country Flags | 0 | - | 4.88 | 106,586 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,522 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,653 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,323 |
