Unlockable Key Bonuses
The following are unlocked in stages by collecting ALL 5 keys and then unlocking the corresponding 5-keyed door.
Unlock 3 Extra Lives:
In The Ark get ALL 5 keys
Unlock 2 Turrets:
In Black Comet find ALL 5 keys
Unlock Turrets:
In Final Haunt find ALL 5 keys
Unlock Armored Car:
In Lost Impact find ALL 5 keys
Unlock Black Volt:
In Sky Troops find ALL 5 keys
Unlock Warp Hole:
In Death Ruins find ALL 5 keys
Unlock Warp Hole:
In Space Gadget find ALL 5 keys
UnWarp Portal:
In The Last Way find ALL 5 keys
Unlock Shortcut:
In Cryptic Castle find ALL 5 keys
Unlock Black Hawk:
In Glyphic Canyon find ALL 5 keys
Unlock Air Saucer:
In Lava Shelter find ALL 5 keys
Unlock Air Saucer:
In Central City find ALL 5 keys
Unlock An Air Saucer:
In Air Fleet find ALL 5 keys
Unlock Armoured Car:
In Westopolis find ALL 5 keys
Unlock GUN Vehicle:
In Lost Impact find ALL 5 keys
Unlock Milatary Vehicle:
In GUN Fortress find ALL 5 keys
Unlock Tank Cannon:
In Prison Island find ALL 5 keys
Unlock Tank Cannon:
In Iron Jungle find ALL 5 keys
Unlock Black Arm's Vehicle:
In Sky Troops find ALL 5 keys
Unlock Black Arm's Vehicle:
In Glyphic Canyon find ALL 5 keys
Unlock Large GUN Cannon:
In Lethal Highway find ALL 5 keys
Unlock Warp Hole:
In Digital Circuit find ALL 5 keys
Unlock Extra Shooting Gallery:
In Circus Park find ALL 5 keys
Unlock Alternate path to a Red Terminal:
In Mad Matrix find ALL 5 keys
Unlock Switch that makes Ring Trails to the end of the Level:
In Cosmic Fall find ALL 5 keys
Opens Cage which triggers Shortcut to the end of the Level:
In The Doom find ALL 5 keys
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