| Name the Pixelated Landmark | 0 | - | 4.84 | 62,511 |
| All Country Flags of the World | 0 | - | 5.00 | 3,607,753 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,087 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,527,419 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,921 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,045 |
| Flags with Crescents | 0 | - | 4.98 | 167,752 |
| Country Flag Trivia | 0 | - | 4.81 | 56,011 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,537 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,540 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,044 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,117 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,488 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,011 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,471 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,405 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,296 |
| World Coats of Arms | 0 | - | 4.99 | 63,936 |
| Flags to Languages | 0 | - | 4.95 | 172,618 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,483 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,165 |
| Geography by Picture - B | 0 | - | 4.42 | 55,436 |
| Geography by Picture - H | 0 | - | 4.49 | 58,067 |
| Geography by Picture - N | 0 | - | 4.45 | 42,062 |
| Geography by Picture - R | 0 | - | 4.55 | 40,888 |
| Geography by Picture - T | 0 | - | 4.54 | 57,694 |
| Countries by Road Signs | 0 | - | 4.98 | 53,167 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,574 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,015 |
| Geography by Picture - A | 0 | - | 4.39 | 60,066 |
| Geography by Picture - D | 0 | - | 4.15 | 45,516 |
| Geography by Picture - F | 0 | - | 4.31 | 50,844 |
| Geography by Picture - G | 0 | - | 4.38 | 47,810 |
| Geography by Picture - J | 0 | - | 4.16 | 38,348 |
| Geography by Picture - K | 0 | - | 4.28 | 33,030 |
| Geography by Picture - C | 0 | - | 4.31 | 56,926 |
| Geography by Picture - L | 0 | - | 4.37 | 58,782 |
| Geography by Picture - M | 0 | - | 4.14 | 40,356 |
| Geography by Picture - P | 0 | - | 4.24 | 42,315 |
| Geography by Picture - S | 0 | - | 4.38 | 46,928 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,356 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,584 |
| Flag Maths | 0 | - | 4.78 | 57,686 |
| Satellite Images #1 | 0 | - | 4.46 | 129,050 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,020 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,673 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,676 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,823 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,422 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,082 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,715 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,855 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.56 | 46,705 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,241 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,428 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,010 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,428 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,790 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,148 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,423 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,308 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,123 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,559 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,108 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,491 |
| Flags that are Red & White Only | 0 | - | 4.97 | 162,357 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,837 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,533 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,750 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,765 |
| Pixelated World Map | 0 | - | 5.00 | 142,527 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,500 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,822 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,909 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,674 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,401 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,898 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,324 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,730 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,823 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,643 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,923 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,059 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,240 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,535 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,088 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,048 |
| Flags of North and South America | 0 | - | 4.99 | 367,979 |
| Emoji Flags | 0 | - | 4.35 | 43,840 |
| Former Flags | 0 | - | 4.97 | 106,816 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,260 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,678 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,659 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,853 |
| Geography by Picture - E | 0 | - | 3.55 | 47,290 |
| Landforms by Picture | 0 | - | 4.31 | 20,580 |
| Geography by Picture - I | 0 | - | 4.00 | 39,330 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,336 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,926 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,914 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,059 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,596 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,170 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,928 |
| Flags of Oceania | 0 | - | 5.00 | 255,652 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,009 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,609 |
| Select the World Flags | 0 | - | 4.27 | 37,431 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,570 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,152 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,500 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,896 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,737 |
| Boundary Waters | 0 | - | 4.92 | 88,075 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,844 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,372 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,411 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,895 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,806 |
| 20 Random Country Flags | 0 | - | 4.99 | 605,324 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,127 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,686 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,618 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,968,093 |
| Landlocked Countries | 0 | - | 4.99 | 414,219 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 554,595 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,744 |
| World Capitals Quiz | 0 | - | 5.00 | 5,035,385 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,721,778 |
| Geography by Picture - O | 0 | - | 4.00 | 28,058 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,082 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,303 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,197 |
| Islands by Picture | 0 | - | 4.29 | 106,001 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,211 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,067 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,736 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,161 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,750 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,064 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,572,433 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,347 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,160 |
| Island Countries | 0 | - | 4.99 | 707,841 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,830 |
| Himalayan Countries | 0 | - | 4.95 | 135,555 |
| Andean Countries | 0 | - | 4.94 | 82,941 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,304 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,348 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,008 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,677 |
| Danube Countries | 0 | - | 4.97 | 71,130 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,837 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,598 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,608 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,518 |
| European Landlocked Countries | 0 | - | 4.99 | 145,829 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,296 |
| Countries with the Most Species | 0 | - | 4.99 | 95,279 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,440 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,218 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,387 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,988 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,621 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,000 |
| Countries in the Alps | 0 | - | 4.86 | 116,921 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,637 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,369 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,061 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,473 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,244 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,055 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,658 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,811 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,513 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,114 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,215 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,075 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,493 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,802 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,791 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,189 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,705 |
| Similar Flags #1 | 0 | - | 4.74 | 129,207 |
| Similar Flags #2 | 0 | - | 4.74 | 136,456 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,288 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,857 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,600 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,870 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,637 |
| Largest Countries By Category | 0 | - | 4.97 | 156,862 |
| Countries by Countries | 0 | - | 4.96 | 62,321 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,502 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,982 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,485 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,347 |
| Merged Country Flags | 0 | - | 4.88 | 106,081 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,902 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,174 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,827 |