Genetics
We're not talking elves and dwarves or extra arms to play a musical instrument while in combat. But some modest and possibly useful tweaks are available; your direct ancestor (parents usually) may have decided you would be better off with one of them. In order to choose one of these, you need to make enough backstory for your parents such that the story makes sense.
In the late 21st century, prenatal genetic optimization became a standardized consumer commodity. Rather than creating entirely new sub-species, the leading megacorporations mapped, isolated, and commercialized rare, naturally occurring beneficial mutations from historical human lineages.
Depending on which corporate package your parents purchased, your character may possess one of the following baseline physiological modifications:
Available Genetic Adaptations
Boreas-Thermal Suite (Formerly the "Arctic Variant")
- Corporate Provider: Severny-Aegis Bio-Industrial (SAB)
- Genetic Blueprint: Based on the ancestral TBX15 and WARS2 sequences (inherited from archaic Denisovan lineages) and the TRPM8 thermoreceptor variant.
- In-Game Effect: Alters brown adipose tissue to burn fat directly into heat rather than storing it as standard ATP energy. Grants extreme resistance to freezing environments and a highly acute internal sense of atmospheric temperature shifts.
- Notes: Originally developed for miners on glacial moons. Requires a high-calorie dietary intake consisting of pure lipids to fuel the internal furnace when exposed to sub-zero temperatures.
Zenith-HIF Respiratory Package
- Corporate Provider: Meridian Aero-Genetics Corp
- Genetic Blueprint: Derived from the EGLN1 and EPAS1 alleles native to the Tibetan Plateau.
- In-Game Effect: Modifies the Hypoxia Inducible Factor (HIF) pathway. The character uses ambient oxygen with near-flawless cellular efficiency without thickening the blood or expanding red blood cell count.
- Notes: The gold standard for vacuum-dwellers, Belters, and high-altitude scouts. Allows the character to survive sudden hull decompressions, thin atmosphere, or oxygen-depleted zones far longer than normal humans without experiencing altitude sickness, strokes, or permanent brain damage.
Pelagic-Diver Baseline
- Corporate Provider: Mariana-Aqualung Solutions
- Genetic Blueprint: Adapted from the PDE10A and BDKRB2 genes found in Southeast Asian "Sea Nomad" populations.
- In-Game Effect: Genetically enlarges the spleen to act as a massive, reserve oxygen reservoir of red blood cells, while triggering an advanced diving reflex that instantly constricts peripheral blood vessels to conserve oxygen for the brain and heart.
- Notes: Marketed heavily to underwater colony laborers and oceanic stealth operators. Grants a passive bonus to lung capacity, allowing the character to hold their breath for 10–13 minutes under extreme operational stress without external rebreathers.
Myo-Toggle: Actinin Tuning
- Corporate Provider: Apex-Kinetic Dynamics
- Genetic Blueprint: A manipulation of the ACTN3 gene.
- In-Game Effect: Controls alpha-actinin-3 proteins in fast-twitch muscle fibers. Players must select one of two configurations at character creation:
- ACTN3+ (Explosive Sprint Variant): Grants bonuses to short-burst sprint speeds, melee weapon handling, and heavy equipment operation.
- ACTN3- (Endurance Null Variant): Eliminates energy lost to muscle shivering. Drastically increases long-range survival efficiency, requiring 30% less food and water rations in survival scenarios.
Lithos-Skeletal Hardening (New)
- Corporate Provider: Ironclad Cellular Security
- Genetic Blueprint: A gain-of-function mutation engineered into the LRP5 gene (originally discovered in a rare Midwestern North American family lineage).
- In-Game Effect: Drastically amplifies bone density and structural calcification.
- Notes: Characters are resistant to minor fractures and take significantly reduced kinetic/impact damage from falls, crashes, or blunt force. It does not protect from pain, however, and there is a small but noticeable penalty to swimming, buoyancy, and inertia due to a heavier, denser skeletal frame.
Vigil-DEC2 Chrono-Tweak (New)
- Corporate Provider: Somnus-Null Neuro-Tech
- Genetic Blueprint: An engineered splice of the DEC2 and ADRB1 short-sleep mutations.
- In-Game Effect: Optimizes the neurological waste-clearing process (glymphatic system) during rest.
- Notes: Designed for deep-space long-haul pilots and corporate security forces. The character fully recovers from exhaustion and restores maximum mental acuity with only 4 hours of sleep per cycle, completely bypassing the cognitive and cardiovascular penalties of sleep deprivation.
Polyglot-Neural Optimization
- Corporate Provider: HELIX Human Systems
- Genetic Blueprint: FOXP2 and language acquisition pathway modifications.
- Effect: Children acquire languages with exceptional speed and retain accents with unusual accuracy.
- Notes: Popular among diplomats, traders, media personalities, and habitat administrators.