Contagion Protocol

Story

An underground server lights up with a name: Contagion Protocol—a self-rewriting signal that copies itself along flights and crowds.

The Countermeasure Director has already activated the authority network. What happens next is your call.

Play either side

Be the Protocol Architect and cover the map, or be the Countermeasure Director and hold the line. Same map, two completely different games.
64 regions, live spread

Every region has its own population, climate, and transport links. Open one route and another magenta pulse may light up.
Build your own evolution tree

Unlock routes, symptoms, and traits. The more hidden you stay, the slower you are found; the more aggressive you are, the faster countermeasures arrive.
Breach minigames

Panic Pulse, Route Hijack, Gene Splice, Customs Escort—a short minigame at the right moment can turn the whole run.
Seasons, weather, and agent resupply

Seasons and weather change how fast the signal spreads; agent resupply lets you act outside the main loop.
Collection

Every finished run rates your pathogen or vaccine by strength (tiers 1–10) and saves it to your collection. See the strongest one you have built.
Global leaderboard

Compete worldwide on the Plague board, the Vaccine board, and the Region board—see where your region ranks.

Pick a seat
Protocol Architect (plague side) or Countermeasure Director (human side).
Pick a start
The plague side chooses a carrier region; the human side prepares its response.
Spread or counter
Spend evolution points on routes, symptoms, and traits—or research the vaccine, close ports, and keep authority up.
04
Win conditions
- Plague side: infect the whole world (no healthy population left in any region), or bring human authority to zero.
- Human side: bring global infection to zero. If authority hits 0, or healthy population runs out, the human side loses.
Results
Every run is scored by strength and saved to your collection; once Online is unlocked, it can enter the global leaderboard.

PlagueQuiet first, loud later.

Use fewer symptoms and more transmission routes early, so humans discover you later; raise lethality once you are widespread enough.
PlagueStart near hubs.

Regions with more flights and ports are spread launch pads; prefer them when choosing a start.
PlagueSpeed up as soon as the vaccine bar lights up.

Once humans start research, resistance traits matter as much as speed.

HumanAuthority is your lifeline.

Closing too many routes lowers authority; close the most important routes and ports first.
HumanResearch early.

The sooner you piece together the vaccine blueprint, the more time you have to push infection down.
BothDon't skip minigames.

When a pulse appears, it names the region and the reason; acting at the right moment has the greatest effect.
Climbing the board

On a tie, the run with fewer days ranks higher, so winning quickly is part of your strength.

Global leaderboard

All-time bests; each player's best run per board.

The leaderboard opens soon—stay tuned.

Download

App StoreComing soon Google PlayComing soon

iOS and Android versions in development.