Grab the BFG ammo from the right then board the lift and take it into the next section. Watch your oxygen meter in the bottom corner and grab oxygen tanks to replenish your supply. It's dark and an imp duo (and some spiders) appear at the corner. It's accessible from both sides. Kill it and reach the top. Return up the lift. When the imp appears ahead of you, shoot the red barrel to cause an explosion--killing the imp. and then you can cycle your inventory to your new weapon. The PDA includes a cabinet code. Like the wraith, the maggot huddles close to the ground and attacks with a melee strike only--but it will also leap at you like the imp. Move to the balcony overlooking the common area and spot another arch vile below. After the battle has concluded, cross the stone bridge. Open it and find the BFG 9000 inside. Go down to the right and find the shotgun and some armor. Utilize this bridge to rotate to several different rooms and passages. Doom 3 is a science fiction horror first-person shooter computer game developed by id Software and originally published by Activision.. Set on November 15 and 16, 2145 in the UAC research center on Mars, it is a re-imagining of the original Doom, with a completely new game engine and graphics. Use the rocket launcher or plasma gun ideally. Head through engineering and find the entrance to Alpha Labs Sector 3. Board the monorail and approach its controls. The imp is the enemy you can expect to face the most in Doom 3. Once down in the lobby, return to the main hall. Board the elevator and proceed to level two, maintenance. building. Open the next door and shoot the lost souls. The aptly named Frag Chamber features, essentially, a frag chamber! Demons attempt to ambush you inside the heavy water runoff. Climb the ladder and move through the upper maintenance hall. There's also a niche with armor. Defeat a guard below and an imp up behind you. Snag the keycard next to him. An imp joins the second revenant. Use corners as cover against their rockets. Crush him, search for health and armor, and exit. Quickly work across the catwalk and cycle each of the three vents. Grenades are good against monsters that run straight toward your position, like demons or commando soldiers. The blast propels you much higher than a normal jump. Get off the elevator and defeat the demon and imp. The upper balcony of the room offers an excellent vantage point on the generator and any user. In this puzzle you must select a bin then use the mechanism to ride the bin to the hatch in the upper right. Move into the office on the right and use the console--which triggers the arrival of the demon. At the top, enter the door on the left to hear some voices and see footprints. Use if there's available cover or a route to retreat through. Doom 3 Campaign: Part 1 (Chapter-01) Mars City Mars City Hangar: Security Checkpoint: Departure Lounge: Mars City Reception: (On the PDA issued by H. Feiner and On a desk near H. Feiner) Central Access Junction: Central Access: Command Access Junction: Common Area: (Disk not collectable - watch on overhead video) Marine Command Access: A second group arrives from the front as well. Grab all health, armor, and ammo then find the open vent shaft. Use the left computer to unlock the offices and archives. There's also storage cabinet #666 here. Locate the berserk in The Edge 2's central room. It fires a green ball of death that actually inflicts damage to anything in sight as it moves through the air. The z-sec might duck in and out of cover and when they are in sight, they're a pretty darn good shot. When the soul cube announces its availability, you don't have to use it immediately. Teleporter distance is limited, serving only to test biological effects of matter transference. Follow the hall and defeat the two demons. Objective: Back to security checkpoint. Proceed into the secondary pump room. Enter artifact receiving. A shotgun blast could kill the cherub in a single hit but most of your projectiles may miss the creature. Use the panel to unlock the door. Blast the zombie and guard. Back up and deal with them as a huge mancubus approaches from the other side. An imp pounces immediately. The standard issue pistol is a typical "first weapon" first-person shooter weapon. Find a small med kit on the left side of the path. Just don't bother at long-range. It includes info on the automated turrets and a cabinet code: 364. The emails include a code for storage locker #038--the code is 409. Several enemies spawn here so be ready to back up and tackle them in fewer numbers. The soul cube tells you when it can be used----after you've killed five demon enemies. Battle the hell knight around a pillar. Use the lift to go to the archives on level two. Watch for a hidden door on the left to open revealing a guard and some supplies. Furthermore, the hell knight possesses much stronger skin; a single shotgun blast is what the hell knight calls a "tickle". Work around to the far right side and locate the passageway underneath the floor. Move past the mechanism when it's closed. Leap up the staircase and ascend. Site 3 is the ground level access point to the original subterranean Mars base structure. Neither is very strong, however; in fact, you'd be lucky to defeat a slow-moving zombie with either tactic and you're basically dead against most of Doom 3's enemies. As you search the storage room, some maggots teleport in behind you. Drop down onto the pipe that leads to the catwalk on the other side. Look to your right for some items: health, armor, and a shotgun. Return to the locked door and use the ACO card. The lost souls are fiery heads that swoop through the air and attack with a virtual "headbutt" attack. Enter the door then start down a series of ladders. As soon as you see a body inside the chamber, click on the chamber console to activate the frag. Use a grenade to dispatch the guards on the balcony above. Cross the bridge and shoot the soldier that enters from the front; turn around quickly to blast the imp. Open the main door and proceed through. The cyberdemon will follow you. Gather the ammo and find the next path in the back corner. Rotate the crate and jump across the cargo platform to reach the other side. There's also a rocket launcher and armor near a skeleton at the intersection. Go to the left path and find a health station across from a hazard door. Ascend ramp and battle some cherubs near a health station and supply rack. Crush the Vagary to continue to the next level. Defeat the imps in the way and enter the door toward secondary levels access. Climb the ladder. Drop down and prepare for a big battle. An imp appears outside as well. This PDA provides additional security clearance. Battle the imp in front of the lift. Battle the zombies and imps. Return up and open the locked door. I'm running around in circles here!! Scamper quickly and carefully through the open gate and reach the tunnel's end. Blast the arch vile with several rockets on sight. The light from the stasis transfer helps guide you through the dark chamber. You shouldn't advance at armed soldiers. Use the controls to grab two toxic barrels and drop them into the disposal chute on the far left. A guard waits on the other side so be ready. It's the same intro as you watched in the lobby. Watch out for the guard and imp in the conference room on the right. Avoid being surrounded if possible and blast anything in your sight with the chain gun. Search the room for health then exit into the heavy water runoff area. Build time: Almost 2 years! Ignore it for now. Reach this console and you'll receive a video uplink. As the door opens, blast the imp that leaps at you. Grab William Banks' PDA off of the ground and prepare for battle. It's for locker #317 in storage room D3-1 across from the terminal offices; the code is 841. Here's a first look at the BFG 9000 in action. Grab it and pummel all zombies with your fists. Doom 3 Upon arriving to Mars, the player finds an email in regards to a missing staff, which happens to be Ishii himself. If one remains above, toss a grenade up there. Exit through the next hallway and into the EP control unit. If you go all the way to the catwalk's end, you'll find some supplies. The maggot is a two-headed creature that looks like a cross between an imp and a wraith. Advance slowly down the next hall until you hear the door open. As you move through two, beware of the cacodemon and nearby guards. This chart reveals cabinet numbers and their corresponding code. The first enemy discovered inside the reactor room: lost souls. Walk onto the catwalk. Locate another console and open a security hatch. Switch to another weapon and use the pillars as cover against the knight's melee and projectile attacks. Search the area for ammo and health. Objective: Enpro Plant. The lower door (left of the berserk) leads to the chain gun intersection. Enter the room and defeat the imp and spiders to the left. Fire some rockets at his location or even use the BFG 9000 for the first time. Cross the hall and move to the upper balcony of the data library. Get ready to move! There's a tough fight in the common area. Descend a ladder to the right to find some supplies. Defeat more spiders that follow you up. Use "0" to toggle off third-person view. Ready the rocket launcher and pummel the arch vile as fast as possible. Proceed to the right. Follow it through the subsequent rooms and halls. At the next room, gather the supplies on the left before entering the door on the right. Cross the room to the next door. You can detonate the BFG blast using your own weaponry--as you learned from the instructional video--and it's a wise tactic to avoid suffering damage from the flying BFG projectile. Continue through the door at the end of the hall--into the CPU core. Note the information kiosk in the room. Enter the wide transfer area. The floor bursts open. A Doom sequel just wouldn't be the same without the chainsaw. The rocket launcher works well here. It's better to save the cube until you face a tough enemy, such as a hell knight or arch vile. Board and use the freight. Walk back down to the teleporter and use it. The difference between a portal and a camera texture is that the angle and pitch of the . Maneuver out onto the surface. Return to the bridge and proceed to central processing. As with most Doom 3 enemies, expect to face more than one cherub. Doom 3- Finding the main portal? Enter the siphon and defeat the remaining monsters, including an imp. Return to the reactor control room. Enter the next room and grab the supplies, including more BFG ammunition. You can detonate the BFG blast using your own weaponry--as you learned from the instructional video--and it's a wise tactic to avoid suffering damage from the flying BFG projectile. The lights flicker out, your pal is mangled, and a couple imps turn their sight on you. Credits: See the CREDITS episode from the main menu: Base: From scratch. Back up to take on the two ahead but remember there's a third behind you. Approach the console and defeat the maggot. Face off against some imps and cacodemons. Avoid long-range battles. The products discussed here were independently chosen by our editors. The commando with chain gun is similar to the z-sec soldier; he'll take cover occasionally and can certain inflict decent damage with the high rate-of-fire chain gun. Throw grenades around corners to wound or kill enemies. Cross the hall to the far room to find some sort of disturbing ritual. 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