Hellfire Warrior is a dungeon crawl video game for the Apple II, Commodore PET, and TRS-80 published by Automated Simulations in 1980.

The game is meant for expert players and characters who already explored all the levels of Temple of Apshai;[3] advertisements warned that "newcomers to Dunjonquest should begin with something easier".

[5] While the focus is still mostly on becoming stronger and richer, the last level also has the secondary objective of rescuing a princess from hell, who is represented as a particularly heavy treasure.

[7] Johnson commented that "I won't forget my last view of Sanson - badly wounded, crawling desperately towards the exit, with sweet-but-cumbersome Brynhild in tow and an outraged fiend at his heels.

In it, the player attempts to recover four magical gems (the eponymous keys) for the wizard Abosandrus in order to prevent the immortal demon Kronus from invading the Earth.