Adapting North West of Earth By C.L. Moore - Orbital Decay (MicroRed version) From The Red Room & The New Flesh Rpg - Sci Fi Adventure Locations D100 Old School Solar System Random Graves, Tombs, & Dungeon Table

 In the classic planetary romance tradition of C.L. Moore and Leigh Brackett, the Solar System is littered with the bones of forgotten civilizations. These ancient burial sites, sealed vaults, and subterranean ruins hold immense power, cosmic terror, and unimaginable wealth for bold rogues and spacers.

Below is a d100 Random Graves, Tombs, & Dungeon Generator Table tailored for old-school pulp science-fantasy campaigns. This blog post picks right up from 

Adapting North West of Earth By C.L. Moore - Orbital Decay (MicroRed version) From The Red Room & The New Flesh Rpg - a detailed room-by-room map layout and hazard guide for a derelict orbital station hosting a Shambleau infestation.

01–25: Martian Sepulchres & Dryland Vaults

d100	Site / Dungeon Feature	Treasure / Hazard / Feature
01–02	Catacombs of the Ram-Kings: A subterranean labyrinth beneath a dry canal bed.	Hazard: Non-Euclidean corridors that loop unless walked backward. Reward: Preserved brain-cylinder of an ancient ruler.
03–04	Crypt of the Sunken Sea: A basalt tomb once located deep underwater, now exposed in the red dust.	Hazard: Ghostly water-spirits that inflict psychic drowning. Reward: Urn of powdered Martian fire-pearls.
05–06	The Obsidian Necropolis of Jekkara: A sprawling underground city reserved entirely for the dead.	Hazard: Silt-mummies wrapped in poisoned silk. Reward: Dueling foils forged from meteoritic iron.
07–08	Mausoleum of the Crimson Veil: A sealed sandstone temple surrounded by petrified gardens.	Hazard: Spores that cause vivid, maddening hallucinations of Mars's green past. Reward: An ancient map to a hidden canal reservoir.
09–10	Tomb of the First Reaver: A stark, monolithic tower built from the bones of massive desert beasts.	Hazard: Mechanical trap firing glass-tipped needle darts. Reward: A heavy bone war-horn that terrifies riding beasts.
11–12	Vault of the Sleeping Sorcerer: A stasis chamber hidden deep within a canyon wall.	Hazard: A psionic security pylon that burns minds. Reward: A silver ring that grants short-range telepathy.
13–14	The Dead Moons Shrine: A subterranean temple dedicated to Phobos and Deimos.	Hazard: Gravity fluctuation traps (0-G to 3G instantly). Reward: Basalt tablets detailing forbidden orbital rites.
15–16	Catacombs of Valkis: Low-alley catacombs beneath the vice-capital of Mars.	Hazard: Cultists of Phorag looking for live sacrifices. Reward: Smuggled crates of rare canal-wine and opium.
17–18	The Glass Barrow: A tomb constructed entirely from fused, transparent volcanic glass.	Hazard: Blinding glare that reflects and amplifies energy weapons. Reward: A singing-glass chime that paralyzes listeners.
19–20	Sepulchre of the Forgotten Dynasty: A half-buried palace guarded by headless statues.	Hazard: Stone constructs activated by the sound of human speech. Reward: A golden crown set with star-sapphires.
21–22	Pit of the Dust-God: An open pit leading to a sunken shrine beneath shifting dunes.	Hazard: Quick-sand silt traps that suffocates explorers. Reward: A lead vial containing powdered cosmic dust.
23–24	Vault of the Scribe-Priests: A series of archives carved into a cliff face.	Hazard: Sentient shadow-entities that feed on memories. Reward: Pre-human terraforming schematics.
25	The Charnel Spire of Shandakor: A tall, ruined needle-tower filled with ancient sarcophagi.	Hazard: Vampiric shade that possesses the strongest warrior. Reward: A telepathic stasis crown.

26–50: Venusian Swamp-Tombs & Sunken Shrines

d100	Site / Dungeon Feature	Treasure / Hazard / Feature
26–27	The Sunken Temple of Crom Dhu: An ancient bronze temple half-submerged in a steaming swamp.	Hazard: Amphibious lizard-men zealots. Reward: Corrosion-resistant bronze-alloy tridents.
28–29	Vault of the Sea-Kings: A submerged complex guarded by massive sea-gates.	Hazard: Flooded chambers and predatory giant eels. Reward: A glowing Lorelei Pearl that grants water-breathing.
30–31	Barrow of the Serpent Matriarch: A overgrown mound deep in the vapor-jungle.	Hazard: Pits filled with viper-swarms and hallucinogenic mist. Reward: A jade staff capable of commanding reptilian beasts.
32–33	The Mist-Shrouded Crypt: A stone ruin where thick, unnatural fog never clears.	Hazard: Corrosive spore-clouds that melt boots and armor. Reward: A greasy cloak made of swamp-ray skin.
34–35	Tomb of the Singing Siren: A hollow sea-spire that emits a hypnotic hum with the tide.	Hazard: Siren-entities that lure explorers into deep water. Reward: A flute carved from leviathan bone.
36–37	Ziggurat of the Mud-Gods: A stepped pyramid made of petrified swamp-oak.	Hazard: Entangling root-traps that drag victims underground. Reward: An obsidian idol that prevents drowning.
38–39	Shrine of the Blood-Lotus: A hidden court covered in dark red orchids.	Hazard: Parasitic blooms that drain blood through spores. Reward: Potent healing elixirs extracted from the lotus.
40–41	The Grotto of the Dead Canal: An artificial cave system used by ancient canal-builders.	Hazard: Automated acid-dispensing security nozzles. Reward: A mechanical barge-master golem core.
42–43	Vault of the Minga Cult: A hidden fortress-tomb carved into a sheer mist-cliff.	Hazard: Flawless, silent assassin-women guarding the inner sanctum. Reward: Rare Venusian black pearls and dream-lotus essence.
44–45	The Sub-Aquatic Mausoleum: A glass-domed burial structure on the sea floor.	Hazard: Cracking structural glass under extreme water pressure. Reward: Pre-human submarine schematics.
46–47	Catacombs of the Dragon-Riders: Subterranean stables and tombs of ancient reptilian knights.	Hazard: Domesticated drakes that have turned feral. Reward: High-grade lizard-skin armor and acid-proof gear.
48–49	Ruined Citadel of Jukhar: The flooded basement levels of a fallen coastal palace.	Hazard: Waterborne parasites that cause slow mutation. Reward: An anti-magnetic gyro-compass.
50	The Isle of Dead Queens: An isolated island burial ground ringed by reefs.	Hazard: Siren-song traps and illusionary landscapes. Reward: The Enchantress's Jade Mirror.

51–75: Mercurian Daylight Vaults & Darkside Crypts

d100	Site / Dungeon Feature	Treasure / Hazard / Feature
51–52	The Twilight Ridge Barrows: Simple stone cairns along the habitable terminator line.	Hazard: Sudden solar flares if exploring near the day-side. Reward: Raw solar-diamonds and heat-resistant cloaks.
53–54	Vault of the Sun-King: A golden dome situated directly on the scorch-zone.	Hazard: Searing thermal rays that melt non-shielded suits. Reward: A high-yield Sun-Folk heat-lance pistol.
55–56	Darkside Ice-Catacombs: Frozen caverns on the side of Mercury facing away from the sun.	Hazard: Extreme sub-zero temperatures that freeze air tanks. Reward: A Glacier-Ice Prism that never melts.
57–58	The Penal Colony Mass Grave: Abandoned corporate mining shafts filled with convict remains.	Hazard: Unexploded sonic mining charges and unstable rockwells. Reward: A master electronic shackle-key for TTA collars.
59–60	Shrine of the Fire-Eyed Nomads: A sacred cave system hidden inside an extinct volcano.	Hazard: Radiation pockets that inflict permanent sickness. Reward: Radiation-absorbing silver salve.
61–62	The Basalt Fortress of Shannach: An ancient darkside Citadel built into black rock.	Hazard: Whispering constructs that induce paranoia. Reward: The living core of an ancient automaton.
63–64	Tomb of the Star-Dancer: A high-altitude cliff vault reachable only by jetpack or climbing.	Hazard: Blinding magnesium flash-traps. Reward: A reflective dueling cloak that turns back raygun blasts.
65–66	The Iron Mine Vaults: Deep subterranean complexes excavated by pre-human tools.	Hazard: Pneumatic rock-mite drills that fire automatically. Reward: High-torque crawler engines and heavy spares.
67–68	The Solar Furnace Crypt: An ancient power facility converted into a tomb.	Hazard: Concentrated plasma beams firing on set timers. Reward: A portable obsidian solar collector.
69–70	Glacier Vault of the Darkside Shades: A cave system carved into solid nitrogen ice.	Hazard: Cold-entities that drain life-force on touch. Reward: An amulet protecting against soul-drain.
71–72	The Scorch-Mark Tomb: A half-melted ruin exposed by shifting basalt plates.	Hazard: Scalding ground temperatures that destroy boots. Reward: Ingot bars of ultra-dense heat-resistant alloy.
73–74	The Subterranean Oasis Vault: A hidden underground chamber holding liquid water.	Hazard: Guard-beasts adapted to absolute dark and intense heat. Reward: A compact, high-efficiency nomad water-still.
75	The Terminal Shaft: A vertical dungeon dropping 5 miles down into Mercury's core.	Hazard: Rapid gravitational shifts and crushing pressure. Reward: The Star-Shatterer Schematics (Part 1).

76–100: Outer Moons, Asteroid Vaults & Pre-Human Reliquaries

d100	Site / Dungeon Feature	Treasure / Hazard / Feature
76–77	The Asteroid Pirate Cache: A hollowed-out rock fitted with airlocks and storage bays.	Hazard: Automated turret systems and booby-trapped airlocks. Reward: Stashed credits, TTA rayguns, and smuggler ciphers.
78–79	Derelict Pre-Human Dreadnought: A massive, dead starship drifting in the Belt.	Hazard: Zero-atmosphere, spatial tears, and defense drones. Reward: Pre-human star-charts and gravity-harnesses.
80–81	Moon-Tomb of Europa: An ice-encased mausoleum below Europa's frozen crust.	Hazard: Hallucinogenic siren-voices broadcasting through suit radios. Reward: A telepathic stasis capsule.
82–83	The Phobos Crypts: Underground chambers beneath Mars's inner moon.	Hazard: Spatial anomalies that age victims rapidly. Reward: A phase-shift ring that allows wall-passing.
84–85	The Lunar Paradise Reliquary: A sealed vault on Earth's Moon from when it had air and seas.	Hazard: Ancient automated guards defending a dead world's memory. Reward: Memory-crystals showing prehistoric Earth/Moon history.
86–87	Sark Pirate Sepulchre: A secret burial ground for outlaw captains on a rogue moonlet.	Hazard: Poison-gas mines and dead-man switches. Reward: A chest of illicit Sark-Gold doubloons.
88–89	The Singularity Vault: An alien facility built around a miniature black hole.	Hazard: Extreme time dilation (1 hour inside = 1 year outside). Reward: A singularity containment core.
90–91	The Void-Monastery: An abandoned asteroid station built by an extinct cosmic cult.	Hazard: Extradimensional horrors stalking the dark halls. Reward: Eldritch stargaze lenses that reveal hidden dimensions.
92–93	The Citadel of the Elder God: A monolithic structure floating on a Jupiter moon.	Hazard: Sanity-draining geometry and psychic dread. Reward: An alien neural translator headband.
94–95	The Orbital Stasis Tomb: A metallic sarcophagus drifting in deep space.	Hazard: Defense fields that disable electronic ship systems. Reward: A living, ancient alien royal in stasis.
96–97	The Shattered Planet Core: The subterranean remains of a destroyed world in the Belt.	Hazard: Unstable gravity wells that crush intruders. Reward: A null-field generator module.
98–99	The Cosmic Nursery: A moonlet made of translucent green stone housing alien eggs.	Hazard: Feral, newly-hatched cosmic predators. Reward: Canisters of void-monster pheromones.
100	The Tomb at the Edge of Forever: A temple anchored outside the plane of the Solar System.	Hazard: Reality unweaving around the party as they enter. Reward: The complete Star-Shatterer weapon schematics.