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Lay siege to evil operating system and battle waves of enemies!
Take a role of friendly virus and lay siege to evil operating system, whilst battling waves of enemies. Acquire upgrades through each level, to boost your performance!What's New in the Latest Version 1.1
Last updated on Jul 21, 2016
Changes to tutorial explanations. You wont be able to skip it for 5 seconds. After beating level 1, tutorial time is shortened to 1 sec.
Changes to "life" system. Instead of a random bar at the top of the screen, sphere, that inverts colors, will grow, the less life you have.
Scoring has been added.
Also game stores your highest score. Shown by clicking button with "H" icon.
Some changes to level 1, to make it more of a "presentation" level.
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OS Siege
1.1 by SeptemberCrab
Jul 21, 2016