The Last Refuge

2052 - due to nuclear destruction of the earth's surface, mankind had to withdraw to underground bunkers. Once again there is war over the remaining resources. Only three interconnected generators maintain the supply of electricity, water and oxygen. An emergency signal reaches the control station - the power generator has failed and is unattended. All previous missions have failed. You are now to be sent into this future in order to restart the energy cycle in the bunker in good time in order to save humanity from its final annihilation. Are you up to this mission?