Lambdagon

Lambda Fortress Community Edition is a Team Fortress 2 mod that adds the ability to play through Half-Life 1, 2, Episodes, Portal, and Black Mesa Source as the 9 Team Fortress 2 Mercenaries along with additional classes such as the Civilian from TF2C, The Mercenary from Open Fortress, John Freeman, and more! Other features include 4 team mode from TF2C and the PF2 Grenades! Also featuring Android Support!