Introduction to DungeonDoom
DungeonDoom is a Doom3 modification for Windows, Linux and Macintosh operating systems. DungeonDoom incorporates most key features of roguelike games. In particular, levels are largely composed of mazes, which are generated randomly every time a new game is started. Levels have stairs leading either to higher or lower levels of the dungeon.
The lower the player descends into the dungeon, the stronger the enemies get. Killed enemies drop gold which then can be used by the player in shops to buy weapons and ammo. Much of this functionality is not part of the original Doom3 engine and has been added to DungeonDoom. The modification is highly extensible and the current 8.0 build of DungeonDoom includes an overworld, a storyline, random quests, special level bosses with special abilities, magical spells, an equipment system, character development, player ability system and various playable characters, including a collectible card variant using the 'card master' and a sword- wielding combo performing ninja.

Key Features of DungeonDoom 8.0XP (currently Windows only + expansion set Resurrection of Evil):
a practically endless wilderness with various places to visit, including the City of Asiris, various quest goals and a pyramid (south of the gates to Asiris at the end of the dark path), which serves as an entrance to the Dungeon.
up to 100 randomly generated maze levels with randomly placed monsters. The strength of enemies increases the deeper you descend. Exits are blocked by pentagrams until all enemies have been spawned
Five player classes: Fighter, Psi-Fighter, Supernatural, Cardmaster and Ninja with varying abilities to wield weapons, execute combos, use magical skills and/or use magical card decks.
Three different difficulty settings with variations in light level, trap visibility, enemy toughness and enemy
behavior.
Three different choices for game length - ranging from short 20 level skirmishes to extended 100 levels adventures.
Three different player perspectives: Traditional first- person, overhead third-person and ninja 'follow-camera' modes.
4 adjustable light levels with optional ambient lighting.
16 different magical spells, some with 3 different skill levels.
Ammunition, potions, scrolls, armor and various light sources are available in shops.
Randomly generated magical item to improve your character.
Character development in 6 features: Strength, Intelligence, Dexterity, Wisdom, Vitality and Alignment.
Special enemy and boss capabilities, including paralyzing, blinding, poisoning, teleporting, invisibility, spawning, confusion, shields, self-healing, item destruction and special projectiles.
Randomly generated "unique" powerful wizards that can master multiple special abilities.
Enemy AI tweaks including fleeing and flocking capablities.
Traps which cause damage, status effects or level transitions (trapdoors).
Magically summoned pet pinky (credits to tinman).
10 different quests and 1 storyline.
Alignment influences storyline proceeding.
Refreshment fountains to replenish health or mana.
A final enemy, "The Balrog", with unique properties.
Doom3 from id software with patch 1.3 installed
-for XP versions, the Doom3 expansion pack Resurrection of Evil needs to be installed as well
-A computer powerful enough to run retail Doom3 smoothly.