Gun Force II (US)
Also known as: Geo Storm
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Display
Type: raster Horizontal
Resolution: 320 x 240
Refresh: 60.01 Hz
Processors
NEC V33 @ 9 MHz
NEC V35 @ 14.318 MHz
Audio
YM2151 OPM @ 3.58 MHz
Irem GA20 @ 3.58 MHz
Channels: 1
Controls
Players: 2
Coin slots: 2
joy, 8-way, 2 buttons
joy, 8-way, 2 buttons
DIP Switch Settings
Data from MAME. On later hardware, game settings are typically in the Test/Service Menu, not DIP switches. Learn more
| Switch | Setting | Options | Default |
|---|---|---|---|
| SW3:1 | Unknown | OFF Off ✱ON On | Off |
| SW3:2 | Unknown | OFF Off ✱ON On | Off |
| SW3:3 | Unknown | OFF Off ✱ON On | Off |
| SW3:4 | Unknown | OFF Off ✱ON On | Off |
| SW3:5 | Unknown | OFF Off ✱ON On | Off |
| SW3:6 | Unknown | OFF Off ✱ON On | Off |
| SW3:7 | Unknown | OFF Off ✱ON On | Off |
| SW3:8 | Unknown | OFF Off ✱ON On | Off |
| SW1:1, SW1:2 | Lives | SW1:1 SW1:2ON ON 1OFF OFF 2 ✱ON OFF 3OFF ON 4 | 2 |
| SW1:3, SW1:4 | Difficulty | SW1:3 SW1:4ON OFF EasyOFF OFF Normal ✱OFF ON HardON ON Hardest | Normal |
| SW1:5 | Unknown | OFF Off ✱ON On | Off |
| SW1:6 | Unknown | OFF Off ✱ON On | Off |
| SW1:7 | Unknown | OFF Off ✱ON On | Off |
| SW1:8 | Service Mode | OFF Off ✱ON On | Off |
| SW2:1 | Flip Screen | OFF Off ✱ON On | Off |
| SW2:2 | Unknown | OFF Off ✱ON On | Off |
| SW2:3 | Coin Slots | OFF Common ✱ON Separate | Common |
| SW2:4 | Coin Mode | OFF 1 ✱ON 2 | 1 |
| SW2:5, SW2:6 | Coin A | SW2:5 SW2:6ON ON 5 Coins/1 CreditOFF ON 3 Coins/1 CreditON OFF 2 Coins/1 CreditOFF OFF 1 Coin/1 Credit ✱ | 1 Coin/1 Credit |
| SW2:7, SW2:8 | Coin B | SW2:7 SW2:8OFF OFF 1 Coin/2 Credits ✱ON OFF 1 Coin/3 CreditsOFF ON 1 Coin/5 CreditsON ON 1 Coin/6 Credits | 1 Coin/2 Credits |
| SW2:5, SW2:6, SW2:7, SW2:8 | Coinage | SW2:5 SW2:6 SW2:7 SW2:8ON OFF ON OFF 6 Coins/1 CreditOFF OFF ON OFF 5 Coins/1 CreditON ON OFF OFF 4 Coins/1 CreditOFF ON OFF OFF 3 Coins/1 CreditON OFF OFF OFF 2 Coins/1 CreditOFF ON ON ON 2 Coins to Start/1 to ContinueOFF OFF ON ON 3 Coins/2 CreditsON OFF ON ON 4 Coins/3 CreditsOFF OFF OFF OFF 1 Coin/1 Credit ✱ON ON OFF ON 3 Coins/4 CreditsOFF ON ON OFF 1 Coin/2 CreditsON ON ON OFF 1 Coin/3 CreditsOFF OFF OFF ON 1 Coin/4 CreditsON OFF OFF ON 1 Coin/5 CreditsOFF ON OFF ON 1 Coin/6 CreditsON ON ON ON Free Play | 1 Coin/1 Credit |