BetFair – (Hammersmith, London, England, United Kingdom, E.U.)
- BetFair Play For Fun
- Only English Soccer
TradeSports – (The Netherlands Antilles)
- Play-Money TradeSports —
- PredictionX — Launched in February 2006.
InTrade – (Dublin, Ireland, E.U.)
- FT Predict — (play-money InTrade with the Financial Times)
HedgeStreet – (Delaware, U.S.A. & San Mateo, California, U.S.A.) — Open to U.S. residents only.
- HedgeStreet – Mock Trader — Free practice account to learn how to trade at HedgeStreet —
Iowa Electronic Markets – (IEM) – (Iowa City, Iowa, U.S.A.)
- Influenza Prediction Market – (a.k.a. Flu Prediction Market) – @ IEM — Commonly Asked Questions about the Influenza Prediction Markets — (play money with monetary bonus) — Influenza prediction markets + Avian influenza prediction markets
