Play Upgrade Sub Online - Free Game

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Game Rating

4.24

17 votes
15,041 plays

Game Description

Turn your weak red sub into an unstoppable Juggernaut! This game takes patience, but stick with it. You start off incredibly weak and will die right away, but thanks to a generous flow of currency, you will quickly be able to upgrade your sub! Arrow Keys: Move the Sub Spacebar: Shoots Sub torpedoes Mouse: Moves, click to shoot

Upgrade Sub Comments (7)

Newest Comments

Score: 0 |

danaagard Sep 5, 2014

to easy

Score: +1 |

MahiraKhan Mar 11, 2014

Score: 0 |

sheroo633 Jan 25, 2014

Score: 0 |

BaaLuuGum Sep 11, 2013

IT DOSN'T WORKKKKKKKK

Score: 0 |

Skullhunter Oct 29, 2011

i wish muchgames had a upgrading colum at thetop i love upgrading games

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Upgrade Sub Tags

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