Use the search function inside to find it yourself. In addition, you need to correct yourself with your golden finger. If you can't, use secret skills _
Space Cruiser (Solomon Snake 1, Solomon Snake 2)
Gradiu.
KONAMI 86.04.25 model: STG
Improve attack power: press the start key when playing, then enter up, down, down, left, right, left, right, b, a, and then press the start key. This can make newsletters.
Quickly equip two missiles, and the attack power is greatly improved.
Infinite additive process: Before the leader appears, you must obtain four fireballs. When the last leader of Moai appears, don't knock him down. Press the A and B keys immediately.
Can be infinitely integrated.
Special words: Press the A and B keys to start the machine (or press the start key when closing the card), and two lines of special words will appear. (it's Konami...o)
Continue: enter down, up, b, a, b, a, b, a, b, a, b, a, b, a.
Music test: When the title screen appears, press the A key and the B key at the same time, and then press the Start key to display the music test screen.
Shutdown: Press the Start key first, then press the Select key and the A key at the same time. (I don't know when to use O)
Select 30 people: when the title screen appears, press the up, down, down, left, right, left, right, b and a keys on the direction keys in turn, and then press the start key to fly.
The number of planes became 30.
42. Space Cruiser 2 (five generations of Solomon snakes, three generations of Solomon snakes)
Gradiu 2
KONAMI 88. 12. 16 code type: STG
Select 30 people: when the title screen appears, press the up, down, down, left, right, left, right, b and a keys on the direction keys in turn, and then press the start key.
The number of planes became 30.
Music test: When the title screen appears, press the A key and the B key at the same time, and then press the Start key to display the music test screen.
Enhance firepower: press and hold the b key of P 1 in the game. Press the select key again, and the sign below will start flashing. Press the A key in the appropriate position to get the weapon you want.
Life is infinite, and the equipment is full: press and hold the A and B keys of P2, and then press the Select key of P 1, you can choose any of the six weapons you must eat, and then you can choose. After selecting six options at a time, you will add one life. (It seems that these two articles are only in D version. )
43. Solomon Snake (Solomon Snake II)
vitality
KONAMI 87.09.25 model: STG
Select 30 people: when the title screen appears, press the up, down, down, left, right, left, right, b and a keys on the direction keys in turn, and then press the start key.
The number of planes became 30.
Select 255 people (99 people):
Method 1: In the two-person cooperation mode, when the remaining aircraft of P 1 is 0 and P2 is 1, at the beginning of the first level, press and hold the A key of P 1 after the two planes overlap, so that there are 255 fighters (99 are displayed) after the two planes crash. (I tried this, okay)
Method 2: 1p kills himself to 00, 2P kills himself to 0 1, and the two planes overlap in the upper right corner of the screen. 1P shoots with a burst of keys until the two planes crash (the screen shows 99 lives, but it is actually 255 times).
Three different endings: (Japanese version)
(1) You can see the driver once without going through customs.
(2) 1-2 After customs clearance, fighters can be seen.
(3) After three times of customs clearance, you can see the helmet.
Solomon Snake II (Solomon Snake IV)
Salman de (Japanese version of vitality)
KONAMI 87.09.25 model: STG
Select 30 people: when the title screen appears, press the up, down, down, left, right, left, right, b and a keys on the direction keys in turn, and then press the start key.
The number of planes became 30.