Katharsis

Enter everything as level codes.

* Cheat Codes :

4eva young : God mode.
abrakadabra : 99 megabombs.
born to cheat : Superbomb's invulnerability.
extravaganza : Main ship in different color.
perpetum mobile : Unlimited weapon energy.

* Level Codes

1-1. bee
1-2.shield
1-3.whirlwind
1-4.electricity
2-1.bombshell
2-2.borer
2-3.switch
2-4.heat
3-1.leviathan
3-2.rainbow
3-3.springer
3-4.bad dream
4-1.antennae
4-2.sledgehammer
4-3.cavity
4-4.bullet rain
5-1.giants
5-2.prime team
5-3.xl ships
5-4.blood bath

* Special Level Codes

1-1.killer bee
1-2.indestructible
1-3.windblown
1-4.electric shock
2-1.bombers of fear
2-2.merciless drill
2-3.deadly speed
2-4.lethal fever
3-1.sea monster
3-2.colours of pain
3-3.horror surprise
3-4.nightmare
4-1.iron cockroach
4-2.earthquake
4-3.mouth of madness
4-4.napalm storm
5-1.terminators
5-2.death squad
5-3.xl assassins
5-4.peace
(Information from Cheat Machine)