38A0Play 38-0THE SPORTS SIMULATION WORKSHOP
38A0
Build the conditions. Live with every result.
Three original football challenges powered by one transparent simulation engine. No registration, no download and no empty result button.
Choose a challengeThree ways to test a sporting idea
Team construction, player development and tournament pressure demand different decisions.
38-0 Challenge
Build a balanced XI, choose a formation and survive 38 matches without defeat.
Play now →02 · One player. Twenty-two seasons.16-38 Challenge
Choose a position, defining trait and career priority, then follow every year to retirement.
Play now →03 · Seven matches for the trophy7-0 Challenge
Select a nation profile, draft three difference-makers and navigate a complete tournament.
Play now →ONE ENGINE, DIFFERENT PRESSURES
Random enough to surprise. Structured enough to learn.
Ratings define the baseline, connected choices shape chemistry and a stable seed adds controlled uncertainty. Replaying the same daily challenge produces a fair comparison.
Read the calculation guide →
Before you play
Is 38A0 free?
Yes. Every challenge is playable in a browser without registration.
Are these official league simulations?
No. 38A0 is an independent project using original ratings, fictional opponents and its own formulas.
Can I compare a run?
Use the daily seed for identical starting conditions, then share or submit the completed result.