Fuentes de Onoro 1811 focus on the last events of the fight between Masséna and Wellington in Portugal and Spain. It includes three battles: Foz do Arouce, Fuentes de Oñoro and El Bodon 1811 which are thus be the 32nd, 33rd and 34th battles of the series.

The game is also the 6th entry in the Vae Victis Wargame Collection. The main battle, Fuentes de Oñoro, has an A2 map and the two smaller ones have A3 maps. The game include 216 counters and markers.