Tip 1💡
Graft one organelle family early — flagella for mobility, secretors for range, spikes for melee.
Pathogenic on Steam
Pathogenic Game Wiki & Guide
Pathogenic game wiki and guide on Steam — organelle grafts, seven pathogens, plasmid tree, co-op tips, and boss routes for Aberrant Labs bullet heaven.
Last updated: July 2026
Play Pathogenic
Steam · Steam Deck Verified
Trailer
What is Pathogenic game?
Pathogenic game on Steam — graft organelles, chain synergies, and survive the immune system across six organ biomes solo or in co-op.
Pathogenic is a 2D roguelike twin-stick shooter from Aberrant Labs, published by Slug Disco on Steam. Graft stolen organelles onto your pathogen, chain synergies through six organ biomes, and outrun the immune system — twin-stick bullet heaven with soft-body physics.
Pathogenic is a 2D roguelike twin-stick shooter from Aberrant Labs and Slug Disco. Play as one of seven pathogens, harvest organelles from defeated cells, unlock the plasmid tree between runs, and clear lungs, heart, brain, and stomach biomes solo or in local co-op on Steam. This Pathogenic game guide tracks builds, pathogens, walkthrough routes, and co-op tips; the Pathogenic game wiki hub indexes organelles, enemies, biomes, and achievements.
When search results say "pathogenic" alone, they often mean biology — this site covers the Pathogenic game on Steam only. Use the guides index, wiki hub, and walkthrough — unofficial fan resource verified July 27, 2026, not affiliated with Aberrant Labs or Slug Disco.
| Title | Pathogenic (Steam game) |
|---|---|
| Developer | Aberrant Labs |
| Publisher | Slug Disco |
| Platform | Steam (PC) · Steam Deck Verified |
| Genre | 2D roguelike twin-stick · bullet heaven · soft-body physics |
| Pathogens | 7 |
| Biomes | 6 organs |
| Organelles | 120+ |
| Achievements | 41 on Steam |
| Co-op | Local / split-screen co-op |
| Last verified | July 27, 2026 |
Get started with Pathogenic
New to **Pathogenic game on Steam** — pick one path (beginner guide, guides hub, or controls) instead of every page at once.
Pathogenic runs & co-op
Run routes, co-op splits, boss checks, secret rooms, and plasmid unlock order for your next organ push.
Walkthrough
Organ-by-organ route with boss checkpoints and hazard reads.
Co-op guide
Split-screen duo roles, Remote Play, and Diatom co-op tips.
Bosses
Giant cell, heart A/V node, and brain boss phase notes.
Secret rooms
Hidden levels, breakables, and cipher rooms worth routing for.
Plasmid tree
Between-run fragments, unlock order, and pathogen-locked nodes.
Pick · graft · synergize · unlock
Pathogenic game rewards organelle chains, biome reads, and smart plasmid investment between runs.
01
Pick
Choose one of 7 pathogens — each changes graft slots and co-op control.
Learn more →02Graft
Strip organelles from immune cells and bolt them onto your soft-body pathogen mid-run.
Learn more →03Synergize
Stack chain effects and traits for game-breaking bullet heaven builds.
Learn more →04Unlock
Spend plasmid fragments on permanent tree nodes before harder organ runs.
Learn more →Pathogenic wiki & builds
Wiki lookup — pathogens, organelles, builds, and tier lists when you need a graft or synergy reference.
Wiki hub
Lookup hub for pathogens, organelles, enemies, and achievements.
Pathogens
All 7 playable pathogens with plasmid focus notes.
Organelles
120+ graft database with traits and families.
Builds
Archetype builds, mitochondria wiring, and pathogen fit.
Organelles tier list
S/A/B/C graft ranks for melee, laser, and minion lines.
Pathogenic platform & community
Platform facts, biome hazards, achievements, Discord, and wiki search for the long-tail questions.
Quick tips
Pathogenic game tips verified July 27, 2026.
Tip 2💡
Read Cancerous and Ephemeral traits before cloning — bad transfers can brick a run.
Tip 3💡
Farm plasmid fragments in easier biomes before pushing brain or lung scaling.
Tip 4💡
Co-op splits graft roles — one player tanks macrophages, one stacks chain synergies.
Tip 5💡
Use secret room routes for bonus fragments — see the secret rooms guide after your first clear.
Common questions
- What do we mean by pathogenic on this site?
- We mean Pathogenic game on Steam — Aberrant Labs' organelle-grafting roguelike — not medical "pathogenic" biology terms.
- Is Pathogenic game co-op on Steam?
- Yes — Local / split-screen co-op is supported. See the co-op guide for duo builds and Diatom control tips.
- Is Pathogenic on mobile or Android?
- No official mobile port — Pathogenic game is Steam PC first with Steam Deck Verified support. Ignore unofficial APK mirrors.
- How many pathogens and organelles?
- 7 playable pathogens and 120+ organelles — browse pathogens and organelles.
- Where is the official Discord?
- Join Slug Disco at discord.gg/dyHnugt — linked from the Discord page.
- What does this Pathogenic Guide cover?
- Beginner guide, builds, walkthrough, pathogens, organelles, plasmid tree, co-op, secret rooms, and wiki search — start from the guides hub or wiki hub.