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Game Modes
Infect Game Mode is the heart of it. Pandemic Game Mode takes your virus around a living world map. Endless Game Mode asks how long you can last. Plus the Codex, controls, settings and sound.
Articles
The main modeInfect Game ModeInfect a host and fight organ by organ from the nose to the brain. Infect Game Mode is the only one that earns XP and…13
Between runsMenus & MetaThe screens around the runs: the title and your save files, a main menu that grows with you, your family tree, and…14
Story modePandemic Game ModePick a city on the world map and infect its people one run at a time, while its politicians, doctors and citizens…19
Pandemic Game ModePandemic ContinentsEach continent has its own cities, its own three continent-wide responses and its own five-piece gear set, found…8
Pandemic Game ModePandemic CitiesEvery playable city with its population, how many people it takes, how fast it reacts and all six of its responses…38
Pandemic Game ModeWorld Responses & WeatherAs whole continents fall, the world itself responds, and those responses apply to every Pandemic run. Ten cities also…13
Pandemic Game ModePandemic Gear SetsEach continent gives its own five-piece set when you take it whole, and infecting the whole world gives the Pandemic…9
SurvivalEndless Game ModeOne huge arena, set after set of waves, until you fall. Each set changes the rules and pays loot, and it is the only…14
Endless Game ModeEndless Boons & CursesEach set rolls its own global effects from these 22. Boons help you; curses make the immune system stronger.22
EncyclopediaThe CodexA real-science encyclopedia of everything in the game: 390 entries in 15 categories. 40 Game Mechanics entries explain…16
Play your wayControls & AccessibilityPlay with touch, a game controller, or keyboard and mouse, in English, Spanish or German. Menus work fully with a…17
Sound and lookAudio & PresentationEvery sound and every note of music in StrainBorn is synthesized from code when the game launches, with no audio…18Key numbers
| Game Modes | 3 (Infect, Pandemic, Endless) |
|---|---|
| Pandemic Game Mode unlock | Level 5 |
| Endless Game Mode unlock | Level 7 |
| Continents | 8 |
| Playable cities | 38 |
| People to infect to take the whole world | 189 |
| Real cities drawn as dots on the world map | 263 |
| Pandemic responses (city + continent + world) | 255 (228 + 24 + 3) |
| Responses per city | 6 |
| Political / medical / social responses | 115 / 85 / 55 |
| Responses good / bad for the virus | 133 / 122 |
| City weather types | 10 |
| Pandemic-only gear sets | 9 |
| Endless opening draft | 6 of 20 traits |
| Endless global effects | 22 (11 boons, 11 curses) |
| Endless arena wall layouts | 7 |
| Codex entries | 390 |
| Discoverable Codex entries | 350 |
| Codex categories | 15 |
| Daily / weekly challenges at a time | 3 / 3 |
| Milestone challenge groups | 11 |
| Extra skill points from organ milestones, on top of their normal reward | 32 |
| Generated sound effects | 54 |
| Generated music themes | 11 (title, menu, 8 organs, CRISPR) |
| Languages | 3 (English, Spanish, German) |
| Remappable controller buttons | 10 |








