The house of the dead 3 (very hard difficulty) lowest rank play.

when rank is high the enemy will act faster and have higher life. depend on difficulty set the enemy and boss hp will be changed. basic rank: 8 (in any difficulty) max rank: 16 min rank: 0 - rank increase - 1. if player didn't lose rank within 45 seconds = +1 add 1: if player has more than 4 life= +2 in co op: if player has more than total 7 life= +2 the counter will stop in boss stage and in cutscene include stage and route select and until danger mark has disappeared. 2. if player saved partner= +1 - decrease rank - 1. taking hit = -2 in co op: taking hit = -1 the rank won't decreased in boss fight. 2. failed to save the partner = -1