G:Dead Angle (UE)

C:Enemies Left Modifier|00C6-18XX|Rune|
C:Infinite Lives|00C0-1C09|Rune|
C:Infinite Time - Minutes|00C0-6999|Rune|
C:Infinite Time - Seconds|00C0-6899|Rune|
C:Bosses Are At Far Left & Right Of Screen|00C0-A900|Rune|Just pick them off. The first boss didn't seem able to shoot back. Putting in a value of 'F3' will remove all enemies from the level, but the value won't let you pass the level automatically.