Crash on Planet X world illustration - Science Fiction theme
Science Fiction

Crash on Planet X

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maxtyl

Your ship has crash-landed on an uncharted planet. There are no signs of civilization—only an endless, hostile wilderness teeming with lifeforms that don’t fear you, they hunt you. The atmosphere is barely breathable, storms rage unpredictably, and the native ecosystem is as beautiful as it is lethal. No backup, no escape route. You must survive with what’s left of your ship, scavenging and adapting to a world that does not want you here.


Author's Note: - Genre: Hardcore Survival Horror / Sci-Fi Wilderness Exploration - Atmosphere: Vast, oppressive, alien. The planet is untouched by civilization. Towering predatory flora, violent weather patterns, and a hyper-adaptive food chain. - Visual Style: Alien jungles with bioluminescent canopies, bone-dry canyons filled with toxic fog, oceans of liquid methane, and insect-like hives built into natural rock formations. - Tone: Gritty, realistic survival. The planet is indifferent to human presence. There are no ancient ruins, no intelligent species—only an ecosystem that reacts aggressively to intruders. - Creatures: Entirely original fauna. Predators are designed based on real-world extreme survival adaptations (camouflage, ambush predators, swarm tactics). Avoid humanoid enemies. Emphasize *alien biology* (multi-limbed, eyeless, hive-mind behaviors, etc.). - Environmental Threats: Acid rain, magnetic storms, tectonic shifts, suffocating fungal spores, parasites. The environment itself is an active threat. - Story Loop: Players must scavenge shipwreck debris, build makeshift shelters, craft survival tools, and explore for essential resources (water, breathable air, power cells). - Escalation: As players venture further, the ecosystem reacts to them. Predators track them across distances, migration patterns are disrupted, and their mere presence causes ecological ripples. - Opening Scene: Players regain consciousness in the wreckage, alarms blaring. Hull breaches expose them to a toxic atmosphere. Supplies are minimal, and night is approaching fast. - Dialogue Tone: Tense, minimalistic, survival-focused. The ship’s AI may be fragmented or offline. Communication is through raw data feeds or glitchy interfaces. - Thematic Focus: Isolation, resourcefulness, and the overwhelming indifference of nature.
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3 days ago
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Venomspike Strider
CR 3Medium Beast
Venomspike Strider
HP Range50 - 70 (Avg: 60)
AC15
XP700

Description

A long-legged spider-like arachnid that expertly camouflages with its surroundings, lying in wait to ambush prey. It injects a potent paralyzing venom before dragging immobilized victims back to its nest.

Details
SizeMedium
TypeBeast
CR3
XP700
LanguagesNone
Defenses
Armor Class15
HP Range50 - 70 (Avg: 60)
Damage VulnerabilitiesNone
Damage ResistancesNone
Damage ImmunitiesNone
Condition ImmunitiesNone
Actions

Camouflage Ambush

The Venomspike Strider is nearly invisible while motionless and camouflaged. It has advantage on attack rolls against surprised creatures.

Venomous Impale

Melee Weapon Attack: +6 to hit, reach 10 ft., one target. Hit: 12 (2d6 + 5) piercing damage, and the target must succeed on a DC 14 Constitution saving throw or be paralyzed for 1 minute. The target can repeat the saving throw at the end of each of its turns.

This work includes material taken from the System Reference Document 5.1 (“SRD 5.1”) by Wizards of the Coast LLC . The SRD 5.1 is licensed under the Creative Commons Attribution 4.0 International License.
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