Knowledge over avoidance.
Substance facts, emergency help, a tool for your night.
Data-sparse. Ad-free. In English.
In emergencies: 112
What you'll find here
Substance Wiki
22 substances with pharmacokinetic data, risks, and safer-use guidance. Researched, no trivialisation, no moralising.
To the wiki →Emergency
First-aid information for acute substance emergencies: recovery position, naloxone, GHB, stimulant hyperthermia, bad trips. Compact and always available.
To the emergency page →About levelll
Who's behind this, what levelll is and what it isn't, and how we handle your data. Ad-free, no tracking, no account required.
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