| Genre: | Unknown Genre Type |
| Publisher: | Zeppelin Games |
| Cover Art Language: | English |
| Machine Compatibility: | Commodore 64, Commodore 128 |
| Release: | Professionally released on Cassette |
| Available For: | Commodore 64/128 |
| Compatible Emulators: | WinVICE 2.4 x64 (PC (Windows)) Commodore Emulator (PC (MS-DOS)) |
| Original Release Date: | 1st October 1991 |
| Original Release Price: | £3.99 |
| Market Valuation: | £3.00 (How Is This Calculated?) |
| Item Weight: | 64g |
| Box Type: | Cassette Single Plastic Clear |
| Author(s): | - |
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There are 2 other items featuring this same game (that we know about!). Click any of them for their details.
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Commodore Format
1st November 1991
What is already a stunning looking shoot-'em-up has been rendered useless by overly difficult gameplay. Read Review
Commodore User
1st March 1988
A class piece of programming (if a little too difficult) with great graphics and a hugely enjoyable blast. Read Review
Computer & Video Games
1st April 1988
If you like shoot-'em-ups, you will not want to be without I.O. - it is one of the best. Read Review
Zzap
1st March 1988
A graphically superb shoot-'em-up which, although unoriginal, is both challenging and playable. Read Review
Zzap
1st October 1991
Even today, C64 veterans mention the name IO with respect, it's got that sort of reputation. Read Review
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