Bio-Defense cover art

Bio-Defense

The player is presented with a "scan" of an infected body - you pick one of the grid areas covering the body with the joystick and press the button to switch modes. After that you are a controlling a white…

31 December 1985

Bio-Defense is a simulator developed by Game Gems Inc., released 31 December 1985 on Atari 8-bit.

Verified Sources: IGDB

What Bio-Defense is

Bio-Defense is a simulator game developed by Game Gems Inc. and released in 1985. It was published by TYMAC (UK) Ltd.. It is available on Atari 8-bit only.

The premise, in the publisher's words

The player is presented with a "scan" of an infected body - you pick one of the grid areas covering the body with the joystick and press the button to switch modes. After that you are a controlling a white blood cell that moves about a field chasing after infections. The object is to eliminate infections from the body.
Description from the publisher · source

How it plays

Its themes are survival. It is a single-player game with no multiplayer component.

What it launched against

Bio-Defense launched on 31 December 1985, within three weeks of Bomberman, Summer Games II, Highway Encounter and Mercenary.

Released around the same time: Bomberman, Summer Games II, Highway Encounter, Mercenary.

Official trailer

Gameplay Trailer thumbnail

Sourced from the publisher’s YouTube channel. See all 2 videos →

Screenshots

All media

Quick answers

Bio-Defense — frequently asked questions

When did Bio-Defense come out?
Bio-Defense was released on 31 December 1985 for Atari 8-bit.

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