Introduction -- Hidden Sector of Particle Physics -- Hidden Parameters of Modern Cosmology -- Cosmoarcheology of Early Universe -- Relic Particles in the Period of Big Bang Nucleosynthesis -- Antiprotons in the Universe after Big Bang Nucleosynthesis -- Non-Equilibrium Effects as a Test of New Physics -- New Physics in Formation of the Large-Scale Structure -- Physical Nature of Dark Matter of the Universe -- Mirror World in the Universe -- Cosmoparticle Physics of Horizontal Unification.