Tune the Stem‑Cell Hotel

Welcome to the Stem‑Cell Hotel! 🌱 Your goal is to set the perfect conditions so cells keep thriving.

Controls

Level Progress

Level 1
0.0 / 5.0 s in-zone
Click "Start Level" below to begin.
Oxygen (O₂)
5.0%
Most stem cells prefer low oxygen (about 2–8%) — the physiologic "sweet spot."
Growth factors dose
45%
Growth factors are the "go" signals — moderate dosing keeps expansion under control.
Passage number
P5
Passage counts how often we've split the culture — later passages edge toward Hayflick's limit and instability.
Tip: 2–8% O₂ · moderate GF · early passage tends to keep the niche stable.

Outcome

Controlled self‑renewal / poised to differentiate
O₂ within physiologic hypoxia, moderate growth signals, and early passage support healthy stem‑cell behavior.
Risk meter: left = stable • right = instability risk

Challenge: Niche Survival Levels

Level 1 · Best streak 0
Goal: keep sliders inside the safe self‑renewal zone for 5 seconds.

Target ranges (non‑technical)

  • O₂: 2–8% (healthy "low‑oxygen" zone)
  • Growth factors: 30–60% (not starved, not overdriven)
  • Passage: P1–P6 (early culture)
Level 1: baseline drift speed with gentle fluctuations.

Progress

0.0 / 5.0 s in-zone
Adjust sliders to enter the safe zone. Leaving the zone slowly drains progress.