| Clue | Source | Date |
|---|---|---|
| 1978 alien-fighting game | USA Today | 16 Feb 2021 |
| Iconic video game since 1978, and a hint to the circled letters | The Washington Post | 22 Sep 2020 |
| They might get close for old-school computer game | The Telegraph Cryptic | 28 Nov 2019 |
| Early computer game | The Telegraph Quick | 08 May 2018 |
| 1970s-'80s craze that's the theme of this puzzle | New York Times | 24 Jul 2016 |
| Darth ... em, Darth? Shoot-'em-up! | The Telegraph Toughie | 29 Dec 2015 |
| 1978 arcade classic from Japan | New York Times | 09 Jan 2015 |
| Early arcade game with pixelated aliens, and, in a way, what 20-, 27- and 49-Across all are | ||
| Shooting game | ||
| Asteroids alternative | ||
| Classic video game |