Containment Area

Containment Area is a single-level mod created by J.C. Bengtson (SailorScout) for Boom-compatible source ports. As the name implies, it is a homage to the episode 2 map, though it is a Doom II mod.

Secrets

 * 1) In the starting area with the shotgun, enter either of the conveyor belts and press on the back wall for health and armor bonuses. (sector 35)
 * 2) Cross the vertical conveyor at the north end and go towards the yellow door to the north. There is a nearby crate which has a small gap in it. Use this crate to lower it and find an imp, two stimpacks, and a box of rockets. (sector 885)
 * 3) Come back to the vertical conveyor mentioned in Secret #2, and this time, go south from where the mancubus is. Just past the cement wall, look back to see a box of ammo (not on Hey, Not Too Rough or lower) and a small crate leading onto the southern part of the vertical conveyor. Follow this conveyor south until you see a stack of crates to the right. Get to the top to reach a super shotgun. (sector 88)
 * 4) In the room with the arch-vile and former humans at the south end of the map, there are four gray tiles in the main room. Press on the west wall where the southwest tile is to open a passage leading to a teleporter. This teleporter takes you to a room with a computer area map, health bonuses, and armor bonuses. (sector 520)
 * 5) In the northeast area with the crushers, flip the lever switch west of the crushers, then run south and into the opening that opened. The passage leads to a chaingunner and a soul sphere. (sector 420)
 * 6) At the southeast end of the map (unlockable after grabbing the red keycard), use the stack of crates with gray crates at the bottom and brown crates at the top to find a teleporter, which takes you to a megasphere. (sector 775)
 * 7) At the west end of the map with several crates on platforms, head to the northeast corner and use the wall there for a passage with health and armor bonuses. (sector 1100)
 * 8) Inside Secret #7, press on the large gray crate on the east wall to find spectres and an energy cell pack. (sector 1018)

Current records
The records for the map at the Doom Speed Demo Archive are:

The data was last verified in its entirety on June 4, 2022.

Player spawns
This level contains sixteen spawn points:
 * 1) facing north. (thing 8)
 * 2) facing south. (thing 9)
 * 3) facing west. (thing 10)
 * 4) facing south-west. (thing 11)
 * 5) facing north. (thing 12)
 * 6) facing west. (thing 13)
 * 7) facing north. (thing 14)
 * 8) facing east. (thing 15)
 * 9) facing north. (thing 16)
 * 10) facing west. (thing 17)
 * 11) facing east. (thing 18)
 * 12) facing east. (thing 19)
 * 13) facing west. (thing 20)
 * 14) facing south. (thing 21)
 * 15) facing north. (thing 22)
 * 16) facing north. (thing 23)

Things
This level contains the following numbers of things per skill level: