Bio-Hazard Battle

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Bio-Hazard Battle
System(s): Sega Mega Drive, Virtual Console, Steam
Publisher: Sega (Japan, US, Europe) Samsung (South Korea)
Developer: Sega CS M2
Genre: Shooting
Number of players: 1-2
Release Date RRP Code JP 1992-10-30 ¥6,8006,800 G-4087 US 1992-12 $49.9949.99 1060 EU 1992-11 1060 PT 199x UK 1992-11 £39.9939.99 1060 AU 199x CA 199x KR 199x GM8069JG JP 199x ¥? ? JP ▼ 2007-01-30 600pts600 US ▼ 2007-02-26 800pts800 EU ▼ 2007-03-02 800pts800 AU ▼ 2007-03 800pts800 US ▼ 2010-10-26 $2.992.99 34316 EU ▼ 2010-10-26 €2.492.49 34316 DE ▼ 2010-10-26 €2.492.49 34316 UK ▼ 2010-10-26 £1.991.99 34316 AU ▼ 2010-10-26 $3.493.49 34316 US ▼ 2019-02-01 $0.990.99 34316 EU ▼ 2019-02-01 €0.990.99 34316 DE ▼ 2019-02-01 €0.990.99 34316 UK ▼ 2019-02-01 £0.790.79 34316 AU ▼ 2019-02-01 $1.351.35 34316 US ▼ 2019-02-01 $0.990.99 34316 EU ▼ 2019-02-01 €0.990.99 34316 DE ▼ 2019-02-01 €0.990.99 34316 UK ▼ 2019-02-01 £0.790.79 34316 AU ▼ 2019-02-01 $1.351.35 34316

Bio-Hazard Battle, known in Japan as Crying: Aseimei Sensou (クライング 亜生命戦争), is a Sega Mega Drive horizontal shoot-'em-up developed by Sega CS and published by Sega. First released in Japan in October 1992, the game is most known for its unsettling organic designs and its offbeat soundtrack, and has developed a slight cult following for its unique tone.

Story

The planet Avaron (known as Avalon on the Japanese box, in a case of reverse Engrish) was plunged into deep biological war known as G-Biowar I, and a retrovirus was synthesized to try to defeat the enemy. Unfortunately, the plan backfires: the planet is rendered nearly inhospitable to humankind, and the only survivors of the virus are sent to space in the O.P. Odysseus to await a time when the new species of creatures that survive or thrive on the virus pose little enough a threat to set up a new colony.

That time eventually comes when computer probes show that conditions on Avaron are now hostile but livable, and thus the Odysseus deploys special craft that are both machine and living being, known as Bioships, to scout the areas of the planet labelled least hostile and find a new home for the survivors.

The game's stages display the virus outbreak, e.g. stage 2 is a ravaged city, stage 7 appears to be the facility where the virus was produced. According to the game's credits, ray tracing was used to create some graphics.

Gameplay

There are four Bioships available to pilot. Tap any button to fire normal shots, hold for rapid-fire normal shots, and hold/release or to charge up and fire a Plasma Wall. Each Bioship has its own unique Plasma Wall. A miniature ship known as the Power Star circles around the Bioship that not only fires its own shots in time with the Bioship, but can also collect upgrades to its current weapon and can be used as a shield, absorbing enemy bullets before they can hit the Bioship. Touching the walls cannot harm the Bioship in this game.

Like many shoot-'em-ups, the game can be played solo or co-operatively. In a 2-player game, both players cannot select the same type of Bioship.

The game begins with an initial stock of 3, 4 or 5 lives as set in the options menu, and extra lives are given out based on score. Most stages also have extra lives in hidden spots, which are revealed by shooting at them. There are a total of 9 credits for the player(s) to continue the game with after all lives are lost.

Bioships

	Orestes
	Specifications: Bioship speed: Fast Yellow weapon: Fire Petal Orange weapon: Plasma Ring Blue weapon: Nova
	Electra
	Specifications: Bioship speed: Slow Yellow weapon: Fire Petal Orange weapon: Seeker Laser Blue weapon: Bond
	Hecuba
	Specifications: Bioship speed: Fast Yellow weapon: Spin Laser Orange weapon: Plasma Ring Blue weapon: Bond
	Polyxena
	Specifications: Bioship speed: Slow Yellow weapon: Spin Laser Orange weapon: Plasma Ring Blue weapon: Nova

Energy Seeds

There are a number of different normal shots, represented by differently-coloured power-ups referred to as Energy Seeds; strangely, normal shot types are partially shared between certain Bioships as listed above. Collecting multiple Seeds of the same colour will upgrade the currently-equipped weapon, up to a maximum of three Seeds.

	Green
	Provides the Implosion Pods, the only weapon shared by every Bioship. A general purpose spreadshot and the default weapon of the Power Star.
	Yellow
	Provides the Fire Petal which is a rapid-fire fireball cannon, or the Spin Laser which is a straight laser that can also destroy enemy bullets.
	Orange
	Provides the Seeker Laser which is a homing laser, or the Plasma Ring which is a spinning energy ring that is reflected on contact with living matter.
	Blue
	Provides the Nova which is a cross-shaped laser, or the Bond which fires slow homing orbs that can destroy enemy bullets and attach to enemies.

Stages

	Reentry
	The game begins with the Odysseus deploying the Bioships selected for the mission, which will then descend through Avaron's stratosphere and the first waves of hostilities. All four colours of Energy Seed will be deployed by the Odysseus as soon as the planet's skyline is reached. The stage eventually ends on its own without a boss fight.
	City Ruins
	Though the city has been abandoned since the deployment of the retrovirus, some of its defensive weapons are still operational and will ride along the city's highways, opening fire against the Bioships. The Bioships will eventually fly over the parts of the city that have been reduced to rubble and encounter the first boss of the game, whose weak point is its tail.
	Forest
	The great forests and jungles of Asia have become alien and dangerous, and have become infested with giant dragonflies and flying centipedes. The boss is a giant worm that wriggles out of a decayed body whose weak point is the head, with a stream of butterflies coming from the hollow in the tree.
	Bauxite Mine
	A long-abandoned mine consisting of narrow cavern passages filled with bat-like creatures, maggots and other hostilities. At a certain point in the stage, crystals will protrude from the ground and ceiling and must be shot at to proceed. The boss of this stage constantly protects itself using pieces of the ground and ceiling, which must be destroyed to expose its weak point.
	Oceania
	The entirety of this stage is set underwater, and the Bioships are tasked with diving deeper than Odysseus' probes could to scout the ocean floor. All sorts of aquatic hostilities such as fish, jellyfish and underwater volcanoes make the ocean floor quite deadly. The boss is a giant anglerfish-like creature.
	Flying Destroyer
	An automated warjet left over from G-Biowar I has been detected in Avaron's skies, and is programmed to seek out and destroy any colony humankind hopes to build on the planet. The Bioships have to take out the warjet's weapons and destroy the warjet piece-by-piece to make the skies safe.
	Biowar Lab Grounds
	Scientists on the Odysseus need more information on the kinds of gene manipulation experiments that were going on when G-Biowar I started, and to do that, the Bioships need to be piloted through the Biowar Labs complex, which are teeming with mutant hostilities. This stage also ends on its own without a boss fight.
	Biowar Lab Core
	The Bioships eventually reach the core of the Biowar Labs which hold the necessary materials for stabilising Avaron's biosphere. This stage has the Bioships move in different directions, so the player(s) will need to rely on the Power Star to shoot hostilities when flying backwards. The final boss is a spherical mech with multiple phases, including making stalactites rain from the ceiling.

Secret stage rumor

Various cheat sites claim there is a secret stage resembling an asteroid field. However, such a stage never existed.

Versions

Comparisons

Main article: Bio-Hazard Battle/Comparisons.

Localised names

Also known as

Language	Localised Name	English Translation
English	Bio-Hazard Battle	Bio-Hazard Battle
English (US)	Bio-Hazard Battle	Bio-Hazard Battle
Japanese	クライング 亜生命戦争	Crying: Aseimei Sensou
Korean	Crying (크라잉)

Production credits

• Scenario by: Hiroshi Mikatabara
• Programmed by: TONBE, Kazumi Nasu
• Sprite Designed by: Matsu G, Co Tani, Rauly.S.Kine, Senoko
• Scroll Designed by: Matsu G, Co Tani, Rauly.S.Kine
• Ray Tracing by: Matsu G
• Meta Ball Designed by: Senoko
• Sound Directed by: K.N.U.
• Schedule Management: marsh
• Package Designed by: Jordan, Naisho
• Package CG Designed by: Matsu G, Rauly.S.Kine
• Manual Edited by: Mongoose
• Package and Manual Directed by: LibidoCHAN, Janjakajan
• Special Thanks to: Lee, J.Yatsuchi, Wiwi Jumbo, Bo
• Also Thanks to: Shige D.O.R., Usagi, CegawaHD, Kamikawa, Eriko, Sunset, Kyamura, monkey, Fuzzy, SiFi TZK, Ikepon, Shinyuu, Sim Bancho, Devi and Pea, Atsu, Daichan, Menme
• Directed by: Kazumi Nasu
• Presented by: Sega Enterprises

Source:

In-game credits

Digital manuals

• 

  Steam manual

Magazine articles

Main article: Bio-Hazard Battle/Magazine articles.

Promotional material

Print advert in Beep! MegaDrive (JP) #1992-11: "November 1992" (1992-10-08)

Physical scans

Mega Drive version

Sega Retro Average
Publication Score Source

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Based on 0 review

Sega Retro Average

Publication Version Score 1700 igr dlya Sega (RU) 60 Aktueller Software Markt (DE) 75 Beep! MegaDrive (JP) NTSC-J 63 Consoles + (FR) 86 Cool Gamer (RU) 30 Electronic Gaming Monthly (US) NTSC-U 55 Entsiklopediya luchshikh igr Sega. Vypusk 1 (RU) 60 Mean Machines: The Essential Sega Guide (UK) 89 GameFan (US) 90 GamePro (US) NTSC-U 93 Gamers (DE) 53 Hippon Super (JP) NTSC-J 60 Joypad (FR) NTSC-J 86 Joystick (FR) PAL 94 Sega Mega Drive Advanced Gaming (UK) 78 Mega (UK) PAL 75 Mega Fun (DE) NTSC-J 74 MegaTech (UK) PAL 88 Marukatsu Mega Drive (JP) NTSC-J 75 Mean Machines Sega (UK) PAL 88 Player One (FR) 95 Play Time (DE) 81 Power Play (DE) 68 Sega Power (UK) PAL 88 Sega Force (UK) PAL 84 Sega Mega Drive Review (RU) 88 Sega Saturn Magazine (JP) NTSC-J 75 Tricks 16 bit (RU) 63 Video Games (DE) PAL 70

	75
Based on 29 reviews

Bio-Hazard Battle

Mega Drive, JP
Cover
Cart Manual

Mega Drive, US
Cover
Cart File:BioHazardBattle MD US manual.pdf Manual PCB

Mega Drive, EU
Cover
Cart Manual PCB

Mega Drive, PT

Mega Drive, AU

Mega Drive, KR
Cover
Cart

Mega Drive, CA

Mega Play version

Mega Play,
Cover

Technical information

ROM dump status

System	Hash	Size	Build Date	Source	Comments
✔	CRC32 95b0ea2b MD5 2d6764f7a96bb8b640a0d18102756ed2 SHA-1 dca9d505302ce9ff1f98c4da95505139c7d3cafc	1MB	1992-09	Cartridge (US/EU)
✔	CRC32 4aba1d6a MD5 c54dc959882622dc6e6cc92b03dd03b9 SHA-1 c45b6da77021d57df6a9cb511cc93a5bf83ecf1c	1MB	1992-08	Cartridge (JP)
?	CRC32 dd10dd1a MD5 e5d861fb4ce7560978b0d1aa5fbfb967 SHA-1 1445b0babb52d252bf822d8d2eec0eda05b63229	1MB	1992-08					Page
?	CRC32 4f19a73d MD5 9ce8a021d2e258e7631eddfff3538694 SHA-1 66439a7a4b8cb3f195a5830b62ceb03c68392ac2	1MB	1991(?)	EPROM cartridge				Page

External links

• Sega of Japan Virtual Console pages: Mega Drive
• Nintendo catalogue pages: US, UK, AU
• Bio-Hazard Battle on Steam