The action takes place in the alternative reality. Among far stars, heroes fight monsters on arenas. This fight is eternal. On each arena it is necessary to hold on 20 waves. Each subsequent wave will be harder and harder. At the end it is necessary to defeat the unique Boss. Use boxes with ammunition that appear every second wave to fill up an ammunition and health. But be careful, some opponents are not worth it to spend for them a precious ammunition. Do you have enough strength to withstand all the tests and reach the end in this difficult battle? Let the battle…