| Former Countries by Territory Map | 0 | - | 4.96 | 103,916 |
| Empires by Maps | 0 | - | 4.98 | 122,122 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,438 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,540 |
| Name that Object #1 | 0 | - | 3.57 | 96,634 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,364 |
| Play-Doh People from History | 0 | - | 4.99 | 95,574 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,127 |
| All Country Flags of the World | 0 | - | 5.00 | 3,714,742 |
| Years in History by Picture | 0 | - | 4.45 | 35,818 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,448 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,138 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,270 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,507 |
| Old Movies by Picture | 0 | - | 4.51 | 25,271 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,304 |
| Name that Object #2 | 0 | - | 3.63 | 15,528 |
| Name that Object #3 | 0 | - | 3.93 | 14,470 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,952 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,087 |
| Flags with Crescents | 0 | - | 4.98 | 171,378 |
| Country Flag Trivia | 0 | - | 4.81 | 58,044 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,922 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,449 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,622 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,964 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,001 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,502 |
| Random Logos Quiz | 0 | - | 4.33 | 209,686 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 184,156 |
| National Football Team Logos | 0 | - | 4.85 | 181,918 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,652 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,281 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,263 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,808 |
| Pictures by Letter - M | 0 | - | 4.24 | 38,012 |
| Fruits by Picture | 0 | - | 4.19 | 809,416 |
| Geography by Picture - B | 0 | - | 4.42 | 55,784 |
| Geography by Picture - H | 0 | - | 4.50 | 58,382 |
| Geography by Picture - N | 0 | - | 4.45 | 42,340 |
| Geography by Picture - R | 0 | - | 4.56 | 41,147 |
| Geography by Picture - T | 0 | - | 4.54 | 58,001 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,446 |
| Flags to Languages | 0 | - | 4.95 | 174,528 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,661 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,392 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,772 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,271 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,602 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,456 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,931 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,301 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,582 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,663 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,208 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,936 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,866 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,040 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 339,577 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 544,254 |
| Name that Bug | 0 | - | 4.12 | 45,643 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,517 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,275 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,979 |
| Elements by Picture | 0 | - | 4.27 | 70,326 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,512 |
| Islands by Picture | 0 | - | 4.28 | 107,800 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,459 |
| Geography by Picture - A | 0 | - | 4.39 | 60,437 |
| Geography by Picture - D | 0 | - | 4.15 | 45,789 |
| Geography by Picture - F | 0 | - | 4.31 | 51,177 |
| Geography by Picture - G | 0 | - | 4.39 | 48,081 |
| Geography by Picture - J | 0 | - | 4.16 | 38,596 |
| Geography by Picture - K | 0 | - | 4.29 | 33,249 |
| Geography by Picture - C | 0 | - | 4.31 | 57,239 |
| Geography by Picture - L | 0 | - | 4.37 | 59,138 |
| Geography by Picture - M | 0 | - | 4.14 | 40,582 |
| Geography by Picture - P | 0 | - | 4.24 | 42,568 |
| Geography by Picture - S | 0 | - | 4.38 | 47,181 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,100 |
| Movie Logos | 0 | - | 4.33 | 240,477 |
| History by Picture - A | 0 | - | 4.26 | 46,144 |
| History by Picture - B | 0 | - | 4.40 | 49,342 |
| History by Picture - C | 0 | - | 4.33 | 54,875 |
| History by Picture - F | 0 | - | 4.35 | 38,193 |
| History by Picture - G | 0 | - | 4.40 | 42,434 |
| History by Picture - D | 0 | - | 4.29 | 44,647 |
| History by Picture - E | 0 | - | 4.25 | 44,230 |
| History by Picture - H | 0 | - | 4.37 | 37,078 |
| History by Picture - K | 0 | - | 4.35 | 33,608 |
| History by Picture - M | 0 | - | 4.17 | 36,391 |
| History by Picture - N | 0 | - | 4.40 | 41,528 |
| History by Picture - O | 0 | - | 4.39 | 36,552 |
| History by Picture - T | 0 | - | 4.20 | 33,538 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,080 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,019 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,486 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,463 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,881 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,214 |
| International Footballers by Picture | 0 | - | 4.51 | 56,446 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 286,137 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,645 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,237 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,099 |
| Flag Maths | 0 | - | 4.61 | 57,848 |
| Satellite Images #1 | 0 | - | 4.46 | 130,003 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,695 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,395 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,246 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,221 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,465 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,590 |
| Soccer Team Logos | 0 | - | 4.26 | 377,744 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,971 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,198 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,788 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,753 |
| Foods by Picture | 0 | - | 3.81 | 226,650 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,770 |
| Christmas by Picture | 0 | - | 4.26 | 28,230 |
| Hats by Picture | 0 | - | 4.21 | 18,019 |
| Weapons by Picture | 0 | - | 4.13 | 21,194 |
| Cars by Picture | 0 | - | 3.89 | 41,827 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,386 |
| Plants by Picture | 0 | - | 4.24 | 14,522 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,692 |
| Women in History by Picture | 0 | - | 4.25 | 26,028 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,858 |
| Geography by Picture - E | 0 | - | 3.55 | 47,494 |
| Landforms by Picture | 0 | - | 4.31 | 20,748 |
| Geography by Picture - I | 0 | - | 4.00 | 39,536 |
| Geography by Picture - O | 0 | - | 4.01 | 28,241 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,449 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,668 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,412 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,850 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,578 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,109 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,285 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,117 |
| History by Picture - I | 0 | - | 4.24 | 26,450 |
| History by Picture - J | 0 | - | 4.18 | 26,943 |
| History by Picture - L | 0 | - | 4.18 | 31,019 |
| History by Picture - P | 0 | - | 4.08 | 25,480 |
| History by Picture - Q | 0 | - | 4.03 | 22,260 |
| History by Picture - R | 0 | - | 4.13 | 27,053 |
| History by Picture - S | 0 | - | 4.14 | 27,986 |
| History by Picture - U | 0 | - | 4.25 | 25,326 |
| History by Picture - V | 0 | - | 4.31 | 25,315 |
| History by Picture - W | 0 | - | 4.01 | 21,819 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,827 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,869 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,800 |
| Flowers by Picture | 0 | - | 4.46 | 105,868 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,950 |
| Authors by Picture | 0 | - | 4.48 | 25,636 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,948 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,184 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,383 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,512 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,321 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,061 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,867 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,509 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,350 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,053 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,576 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,800 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,764 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,673 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,375 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,127 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,772 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,834 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 96,105 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,351 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,779 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 160,153 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 94,115 |
| Musicians by Picture #1 | 0 | - | 4.38 | 110,067 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,415 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,624 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,569 |
| Emoji Flags | 0 | - | 4.35 | 44,293 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.69 | 38,235 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,669 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,655 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,983 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,284 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,930 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,709 |
| Airline Logos | 0 | - | 4.45 | 141,446 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,438,858 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,557 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,990 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,557 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,320 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,687 |
| Brand Logos That Start With D | 0 | - | 4.36 | 62,226 |
