| Former Countries by Territory Map | 0 | - | 4.96 | 102,537 |
| Empires by Maps | 0 | - | 4.98 | 119,952 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,192 |
| Name that Object #1 | 0 | - | 3.57 | 96,463 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,943 |
| Play-Doh People from History | 0 | - | 4.99 | 94,581 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,429 |
| All Country Flags of the World | 0 | - | 5.00 | 3,648,094 |
| Years in History by Picture | 0 | - | 4.44 | 35,436 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,747 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,534,447 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,525 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,517 |
| Old Movies by Picture | 0 | - | 4.51 | 25,051 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,952 |
| Name that Object #2 | 0 | - | 3.64 | 15,428 |
| Name that Object #3 | 0 | - | 3.93 | 14,382 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,346 |
| Flags with Crescents | 0 | - | 4.98 | 169,059 |
| Country Flag Trivia | 0 | - | 4.81 | 56,764 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,407 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,235 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,026 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,097 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,005 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,606 |
| Random Logos Quiz | 0 | - | 4.31 | 208,115 |
| National Football Team Logos | 0 | - | 4.85 | 179,937 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,353 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,972 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,898 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,539 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,739 |
| Fruits by Picture | 0 | - | 4.19 | 806,646 |
| Geography by Picture - B | 0 | - | 4.42 | 55,559 |
| Geography by Picture - H | 0 | - | 4.50 | 58,180 |
| Geography by Picture - N | 0 | - | 4.45 | 42,170 |
| Geography by Picture - R | 0 | - | 4.56 | 40,985 |
| Geography by Picture - T | 0 | - | 4.54 | 57,804 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,682 |
| Flags to Languages | 0 | - | 4.95 | 173,382 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,451 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,107 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,517 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,997 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,424 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,260 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,734 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,088 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,351 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,464 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,011 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,755 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,643 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,387 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,077 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 537,428 |
| Name that Bug | 0 | - | 4.12 | 45,534 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,306 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,873 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,611 |
| Elements by Picture | 0 | - | 4.27 | 69,837 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,279 |
| Islands by Picture | 0 | - | 4.29 | 106,721 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,218 |
| Geography by Picture - A | 0 | - | 4.39 | 60,198 |
| Geography by Picture - D | 0 | - | 4.15 | 45,611 |
| Geography by Picture - F | 0 | - | 4.31 | 50,949 |
| Geography by Picture - G | 0 | - | 4.38 | 47,911 |
| Geography by Picture - J | 0 | - | 4.16 | 38,431 |
| Geography by Picture - K | 0 | - | 4.29 | 33,097 |
| Geography by Picture - C | 0 | - | 4.31 | 57,033 |
| Geography by Picture - L | 0 | - | 4.37 | 58,905 |
| Geography by Picture - M | 0 | - | 4.14 | 40,423 |
| Geography by Picture - P | 0 | - | 4.24 | 42,397 |
| Geography by Picture - S | 0 | - | 4.38 | 47,011 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,651 |
| Movie Logos | 0 | - | 4.33 | 237,837 |
| History by Picture - A | 0 | - | 4.26 | 45,741 |
| History by Picture - B | 0 | - | 4.40 | 48,891 |
| History by Picture - C | 0 | - | 4.36 | 54,416 |
| History by Picture - F | 0 | - | 4.35 | 37,841 |
| History by Picture - G | 0 | - | 4.40 | 42,097 |
| History by Picture - D | 0 | - | 4.29 | 44,270 |
| History by Picture - E | 0 | - | 4.27 | 43,878 |
| History by Picture - H | 0 | - | 4.37 | 36,756 |
| History by Picture - K | 0 | - | 4.35 | 33,323 |
| History by Picture - M | 0 | - | 4.17 | 36,116 |
| History by Picture - N | 0 | - | 4.40 | 41,220 |
| History by Picture - O | 0 | - | 4.39 | 36,277 |
| History by Picture - T | 0 | - | 4.20 | 33,281 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,877 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,354 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,591 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,536 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,156 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,656 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,278 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,950 |
| International Footballers by Picture | 0 | - | 4.50 | 55,403 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,142 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,446 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,708 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,962 |
| Flag Maths | 0 | - | 4.64 | 57,745 |
| Satellite Images #1 | 0 | - | 4.46 | 129,286 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,239 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,862 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,856 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,937 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,877 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,838 |
| Soccer Team Logos | 0 | - | 4.26 | 373,594 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 179,450 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,293 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,549 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,059 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,169 |
| Foods by Picture | 0 | - | 3.81 | 225,947 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,281 |
| Christmas by Picture | 0 | - | 4.25 | 28,152 |
| Hats by Picture | 0 | - | 4.21 | 17,952 |
| Weapons by Picture | 0 | - | 4.13 | 21,023 |
| Cars by Picture | 0 | - | 3.89 | 41,415 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,284 |
| Plants by Picture | 0 | - | 4.24 | 14,422 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,546 |
| Women in History by Picture | 0 | - | 4.25 | 25,885 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,754 |
| Geography by Picture - E | 0 | - | 3.55 | 47,351 |
| Landforms by Picture | 0 | - | 4.31 | 20,654 |
| Geography by Picture - I | 0 | - | 4.00 | 39,396 |
| Geography by Picture - O | 0 | - | 4.01 | 28,112 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,293 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,451 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,170 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,654 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,411 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,926 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,118 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,959 |
| History by Picture - I | 0 | - | 4.26 | 26,191 |
| History by Picture - J | 0 | - | 4.18 | 26,702 |
| History by Picture - L | 0 | - | 4.18 | 30,749 |
| History by Picture - P | 0 | - | 4.08 | 25,269 |
| History by Picture - Q | 0 | - | 4.03 | 22,064 |
| History by Picture - R | 0 | - | 4.13 | 26,826 |
| History by Picture - S | 0 | - | 4.14 | 27,759 |
| History by Picture - U | 0 | - | 4.24 | 25,105 |
| History by Picture - V | 0 | - | 4.30 | 25,071 |
| History by Picture - W | 0 | - | 4.01 | 21,621 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,955 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,165 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,705 |
| Flowers by Picture | 0 | - | 4.46 | 105,578 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,698 |
| Authors by Picture | 0 | - | 4.48 | 25,512 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 80,083 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,606 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,651 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,829 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,764 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,442 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,322 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,054 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,084 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,517 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,159 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,061 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,323 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,356 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,119 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,598 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,296 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,284 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,122 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,101 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,033 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,910 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,140 |
| Musicians by Picture #1 | 0 | - | 4.39 | 108,380 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,162 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,705 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,845 |
| Emoji Flags | 0 | - | 4.35 | 44,005 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,773 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,793 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,361 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,255 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,569 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,779 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,176 |
| Airline Logos | 0 | - | 4.45 | 140,527 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,417,604 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 248,026 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,738 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,404 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,818 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,355 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,925 |
