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Rip Off

| 1979

Release type:
Units produced: Cinematronics
Controls/Input Device: Control(joy8way), Buttons(2)
Number of Players: 2
More Creator:
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License from/Copyright:
SoundMix: Mono
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Acting Talent involved:
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Rip Off VGMuseum Game Endings
Rip Off on CAESAR
Rip Off high score and replay at MARP
Rip Off on datObase
MAME folder name: ripoff

Display: vector x @ 38.00Hz (38.00 pixclock)
Sound: 1 channels

Emulated in MAME via driver cinemat.c:
Status: good; Emulation: good
Graphic: good; Sound: good; Color: good
Palette size: 0; Savestate: supported

prom.c14 with 32kb
sha1:32df9148797c23f70db47b840139c40e046dd710 crc:07492cda
prom.d14 with 32kb
sha1:5d806a42424942ba5ef0b70a1d629315b37f931b crc:9a05afbf
prom.e14 with 32kb
sha1:d8c40ab010b2ea30f29b2c443819e2b69f376c04 crc:29dbfb87
prom.e8 with 32kb
sha1:6f7fcce4aa3be9020595235568381588adaab88e crc:791ec9e1
prom.f14 with 256kb
sha1:036ad8a231284e05f44b1106d38fc0c7e041b6e8 crc:9edbf536
prom.j14 with 32kb
sha1:ce145d61686f600cc16b77febfd5c783bf8c13b0 crc:a481ca71
ripoff.p7 with 2048kb
sha1:ea362494855be27a07014832b01e65c1645385d0 crc:a9208afb
ripoff.r7 with 2048kb
sha1:e1e2f0dfec4f53d8ff67b0e990514c304f496b3a crc:150bd4c8
ripoff.t7 with 2048kb
sha1:bc1f3b540475c9868443a72790a959b1f36b93c6 crc:40c2c5b8
ripoff.u7 with 2048kb
sha1:5e7672deffac1fa8f289686a5527adf7e51eb0bb crc:29c13701
Mameinfo.dat entry:
0.37b10 [Yochizo]


- 0.147u2: hap fixed clone Omega Fighter Special. The game fails to boot or finish post. After showing bad rom errors, the game resets.

- 0.147u1: Fixed maincpu rom loading.

- 0.122u7: Fixed gfx1/2/3/4/5 rom loading.

- 0.89u3: Changed Z80 CPU2 clock speed to 5MHz.

- 0.37b10: Yochizo added 'Omega Fighter' (UPL 1989) and clone Omega Fighter Special.

- 21st November 2000: Yochizo fixed some graphics bugs in the Omega Fighter / Atomic Robo-kid driver.

- 8th November 2000: Yochizo sent in a driver for Omega Fighter and Atomic Robo-kid.

- 25th April 1999: Dumped Omega Fighter Special.

LEVELS: 8 (restarts once)

Other Emulators:

* FB Alpha


* Raine

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Romset: 2016 kb / 8 files / 457.8 zip

Credits Mameinfo and Mametesters Project Robert J. Rabgno et al.
History.dat entry:
Rip Off (c) 1980 Cinematronics.

RIP OFF is a 1- or 2-player action game that offers features guaranteed to capture and prolong player interest : an accelerating competitive level with a clearly visible object and a team competition option that allows players to combine scores as well as skills in defense strategy against a futuristic enemy.

The center of the playfield is occupied by a selectable number of triangular fuel cells that pulsate with radioactive energy. The player commandeers a land craft that turns left, right, accelerates and fires torpedo energy bursts activated by push-buttons mounted on the "bridge" control panel. All is quiet as the background audio repeats an ominous low frequency tone. Suddenly, alien craft enter in waves from the edges of the playfield attempting to attach their vehicles to the fuel cells and drag them off to restock their own dwindling supplies. The player maneuvers his land ship into position and fires a volley of torpedoes at the first invader, causing his vehicle to explode in a thunderous roar and a flash of light. A second invader retaliates by firing short range laser bursts at the defender ship while a third invader escapes, dragging off a precious fuel cell. The background audio quickens its pitch and tempo as another wave of sleeker, faster invaders attack and maneuver to rip off fuel canisters - and the battle rages on!


The 1-player mode is activated when a coin is accepted and the player pushes the 1-player button. As play begins the first player's vehicle appears on the right side of the screen and moves slightly forward. The enemy vehicles then appear in pairs from various points on the edge of the screen and gravitate toward the player and the triangles. The enemies fire lasers while they move. The player scores points by either shooting the enemy or colliding with him before the enemy can shoot the player, collide with him or drag his triangle off the screen. When a player's vehicle is exploded, it reappears on the right side of the screen where it began.

When a player has sufficient points to achieve a bonus level, the enemies will appear three at a time instead of in pairs and their point value increases. Each bonus level increases the enemies' point value, as well as their ability to seek out and destroy the player. When all the triangles have been dragged off the screen, the game is over and the unit reverts to attract mode.

The 2-player mode is activated when two coins have been accepted and a player pushes the two player button. As play begins, the first player's vehicle appears on the right side of the screen and the second player's vehicle appears on the left. Both vehicles move forward slightly. Enemy vehicles then appear in groups of three and attack the players and seek to drag off the triangles. Players score points by colliding with the enemy vehicles or shooting them. No points are scored by shooting or colliding with the other player. Should the players' ships collide, an explosion will occur and the players' vehicles will reappear at the points where they began.

In the 2-player operator selectable opponent mode, individual scores are displayed after each wave of attackers are destroyed or successfully leave the screen. In the team mode, the combined score of both defenders is displayed. At the end of the game, when all fuel canisters have been removed, the individual high score for the day is displayed at the bottom of the screen and the high team score is displayed at the top.

A player achieves bonus levels in which the value of each invader vehicle is increased by the displayed amount of the bonus. There are six different types of invader vehicles, each wave becoming increasingly offensive and more difficult to destroy. The point bonus is in effect after six waves, the full compliment of ship types, have been destroyed. There are three similar craft in a wave, and in the two player mode twelve waves must be eliminated before bonus goes into effect.

There are no time units per game credit, and the battle goes on until all fuel canisters have been "ripped off" from the playfield. The length of play is solely dependent upon the skill of the player - but it takes an experienced, practiced captain to hold off the swift invaders for long!


Main CPU : CCPU (@ 5 Mhz)
Sound Chips : Samples

Screen orientation : Horizontal
Video resolution : 224 x 256 pixels
Screen refresh : 38.00 Hz
Palette colors : 32768

The game has 10 buttons :
Player-1 START
Player-1 THRUST
Player-1 FIRE
Player-2 START
Player-2 THRUST
Player-2 FIRE


Released in April 1980. Rip Off was the first 2-player cooperative video game. One of the greatest cooperative two player games ever created.


Designed & programmed by : Tim Skelly


* Consoles :
GCE Vectrex (1982)


Edit this entry: http://www.arcade-history.com/?&page=detail&id=2229&o=2

Licensed from Alexis Bousiges under a CC Attribution 3.0 License
cheat.dat entry:
20800000 0A24 00000058 FFFFFFFF Invincibility
20810000 1128 0000005F FFFFFFFF Invincibility (2/2) Part 1 Ships, Part 2 Bullets
20800000 0B7C 00000058 FFFFFFFF Fuel Cannister Invincibility The Fuel Cannisters can't be picked up

Credit Pugsy's MAME Cheat file