Solution: PH11: Breakout

Answer: DOOM

Written by Dana Young

1. Pac-Man
2. Rampage
3. Defender
4. Halo
5. BurgerTime
6. Solitaire
7. Centipede
8. Q*bert
9. Missile Command
10. Moon Patrol
11. Among Us
12. Raiden
13. Call of Duty
14. Donkey Kong
15. Dig Dug
16. Galaxian
17. Altered Beast
18. Mortal Kombat
19. Sonic
20. Super Mario

The leftover pictures, in order, are D’OH, OFF, OWL, and MII. Taking the first letters as instructed gives the answer DOOM.