Protection From Enemy Bullets
SZXZONSE
Protection From Collisions
SZSZKXSE
Protection From “Electric Grids”
SXSATXSE
Start With 1 Life
AEXILGZA
Start With 100 Lives
GVXILGZA
Each Backpack Energy Capsule Counts As Two
GAVXVLZA
Each Backpack Energy Capsule Counts As Four
AAVXVLZE
Invincibility Lasts Until Next Stage
AAKOPIZA
Start With 7 Backpack Energy Capsules Instead Of None
GEOSPKVN
Start Game With 3 Life Increments Instead Of 8
GEOSTKTA
Continue Game With 3 Life Increments Instead Of 8
GASOTOTA
Don’t Get Stunned When Hit
GXEUIOSE
Stand Your Ground
AEUUAPGA
GXKLAOKE
Intense Knock-Back When Hit
VNULTONN
PEUUGPAA
Game Freezes When You Get A Backpack Energy Capsule
YAVXULZE
Batman Can Only Shoot Upwards Until He Manages To Pick Up A Power Weapon
PILONS
Start With 9 Lives
YEXILGZE
No Damage From Bullets Or Missiles
GZXZONSE
No Damage From Objects Or Enemies
GZSZKXSE
Invincible In Boss Fights
SZVUIASE
Walk Through Enemies And Projectiles After Being Hit Once
SXEUIOSE
Note: This does not protect you from spikes.