Enter a mesmerising trance of co-dependence in Duet, The rules are simple: control two vessels in sync, survive against all odds and keep calm, That is Duet.Enter a mesmerising trance of co-dependence in Duet, The rules are simple: control two vessels in sync, survive against all odds and keep calm, That is Duet.Enter a mesmerising trance of co-dependence in Duet, The rules are simple: control two vessels in sync, survive against all odds and keep calm, That is Duet.