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Doom

Name: Doom
Author: Kweepa
Released: 14 December, 2013
Requirements: VIC-20 + 35k with disk drive
Description: A port of shareware Doom to the VIC-20

Features 8 shareware levels, 4 enemies, 5 weapons, 11 music tracks, 20 sound effects, cheat codes, a map screen, corpses, secrets, pickups, exploding barrels, intermission and victory screens, and more!