Hal 21

Overview

A vertically scrolling shoot 'em up from SNK.

Developed by

SNK

Published by

SNK, SNK Playmore USA

Facts

Game modes

Single player, Multiplayer

Player perspectives

Bird view / Isometric

Themes

Action, Science fiction

Release dates

• Arcade: 1985
• PlayStation 3: Jul 19, 2011
• PlayStation Portable: Jul 19, 2011