Standard ETF2L rules of conduct apply, unless where specifically stated otherwise. Here are the most important changed that you need to be aware of:
1. Several experimental plugins made by Twiikuu must be used, these include:
sm_remove_medic_attach_speed 1
sm_remove_projectiles_hitting_teammates 1
sm_gunboats_always_apply 1
2. Heavy, pyro and engineer are banned.
3. All unlocks are banned, except the following:
Scout: winger, boston basher
Soldier: gunboats, the original, the escape plan, paintrain
Demoman: iron bomber, paintrain
Medic: crusader's crossbow, kritzkrieg, ubersaw
Sniper: none
Spy: Letranger, Cloak and dagger
Whitelist ID: 10998