| Pyramids, and the like | 22 |
| Shapes used to model water molecules | 36 |
| Solid with four triangular faces | 32 |
| 24-sided figure | 15 |
| Greek dramatic grouping | 23 |
| Bird or beast | 13 |
| Any larger land animal | 22 |
| Almost any mammal | 17 |
| Four-footers | 12 |
| Some joint rulers | 17 |
| Aquarium swimmers | 17 |
| Aquarium acquisitions | 21 |
| Showy aquarium fish | 19 |
| Colorful pet store purchases | 28 |
| Aquarium fishes | 15 |
| "Neon" fishes | 23 |
| Tank stock, perhaps | 19 |
| Some aquarium acquisitions | 26 |
| Showy fish | 10 |
| Popular tank swimmers | 21 |
| Popular tank fillers | 20 |
| Pet store swimmers | 18 |
| Fishtank favorites | 18 |
| Fish store stock | 16 |
| Common aquarium fishes | 22 |
| Colorful swimmers | 17 |
| Colorful freshwater fish | 24 |
| Colorful fishes | 15 |
| Colorful aquarium fillers | 25 |
| Colorful additions to tanks | 27 |
| Brilliant swimmers | 18 |
| Bright swimmers | 15 |
| Aquarium store offerings | 24 |
| Aquarium standbys | 17 |
| Aquarium denizens | 17 |
| Aquarium buys | 13 |
| "Neon" fish | 21 |
| 'Neon' tank swimmers | 28 |
| Having four columns | 19 |
| Served over pasta with sherry and cream sauce | 45 |
| Opera singer Luisa whose name can be found on some menus | 56 |
| Italian singer's chicken | 28 |
| Describing an Italian diva's pasta dish | 43 |
| Georgian monetary unit | 22 |
| Arcade game with dropping figures | 33 |
| Classic computer game with falling shapes | 41 |
| Game with falling shapes | 24 |
| Block-dropping game | 19 |
| Shape-fitting arcade game | 25 |
| Dropping-block game | 19 |
| Computer addiction of the 1990s | 31 |
| Video game from Russia | 22 |
| Sixth best-selling video game franchise of all time | 51 |
| Shape-fitting game | 18 |
| Popular game-app download | 25 |
| Popular game import from Russia | 31 |
| Popular game from Russia | 24 |
| Popular computer game with geometric shapes | 43 |
| Popular 1990s computer game | 27 |
| Nonviolent arcade game | 22 |
| Non-violent arcade game | 23 |
| Hot 90's computer game | 26 |
| Hot 1990s computer game | 23 |
| Hot 1990's computer game | 28 |
| Geometric computer game | 23 |
| Game with tumbling blocks | 25 |
| Game with L- and Z-shaped pieces | 32 |
| Game with four-block pieces | 27 |
| Game with falling blocks | 24 |
| Game played with seven pieces | 29 |
| Game of falling popularity? | 27 |
| Game of falling pieces | 22 |
| Game invented by Alexey Pajitnov | 32 |
| Game in which all pieces have four components | 45 |
| Game for shapeshifters? | 23 |
| Game designed by Alexey Pajitnov | 32 |
| Game craze of the late 1980s and '90s | 41 |
| Computer diversion with falling shapes | 38 |
| Arcade sensation of the 90's | 32 |
| Arcade game with falling figures | 32 |
| Arcade favorite | 15 |
| Addictive block-dropping game | 29 |
| '80s video game | 19 |
| '80s video blockbuster | 26 |
| '80s blockbuster video game | 31 |
| Set of which all seven elements are fittingly hidden in the solved puzzle grid | 78 |
| 2009 film directed by Francis Ford Coppola | 42 |
| Type of vacuum tube | 19 |
| Vacuum tube variety | 19 |
| Certain vacuum tubes | 20 |
| Compound used as a detonator | 28 |
| Old explosive | 13 |
| Hanoi holidays | 14 |
| Vietnamese holidays | 19 |
| Holidays overseas | 17 |
| Eastern holidays | 16 |
| Certain Asian holidays | 22 |
| Asian festivals | 15 |
| Asian celebrations | 18 |
| Vietnamese new years | 20 |