Unexpected Bug

Unexpected Bug
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Help this scientist to fix his robot’s bug! try to last as long as possible, unlocking achievements and collecting upgrades in this run’n’gun retro game!

As always, remember to have fun!

How to Play:

Arrow keys and “WAD” to move.
Mouse left click to shoot (if you have weapon upgrade).
Q or Shift to pause the game.
Spacebar for auto-fire. (upgrade first)
Other controls are in pause menu!

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Play Unexpected Bug online for free — one of thousands of Retro Games you can enjoy instantly on KBHGames.com. No downloads, no installs, no sign-ups — just click and play. Whether you're gaming on a PC, Mac, or Chromebook, you can play this game fast and easy on Chrome, Firefox, Edge, and Safari. Discover your next favorite game today. Gamers looking for more Retro Games can also try out Bug Bug in Sky Tower, Bug Rampage, Normal Bug Catching, and Bug War 2.