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Grinning Cobossus

rated 4.02 / 5 stars
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Action - Shooter - Horizontal Flight

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Credits & Info

Oct 19, 2011 | 12:05 PM EDT

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Addicted 5 Points Load up the game five times
Don't leave yet! 5 Points Click "more games"
Nope, not a walkthrough 5 Points Watch the video
Pressin' F5 5 Points Load up the game two times
5 Minutes to kill yourself 10 Points Play for five minutes
Whining Cobossus 10 Points Beat the game on easy difficulty
Malicious Joy 25 Points Score 35k in survival mode
Now you're a hero 25 Points Beat the game on medium difficulty
This is actually fun! 25 Points Play for half an hour
Double Kill 50 Points Score 100k in survival mode
Easier with a rope 50 Points Beat the game on hard difficulty
Ultimate Assassin 100 Points Don't get hit on "hard"

Author Comments

Grinning Cobossus is a shmup that only consists of one epic boss fight, but it features 3 difficulty modes, survival mode, 12 achievements to earn and a lot of fun.

v 1.09 Added a 3-seconds delay after unpausing the game

v 1.08 Various bugfixes, mouse is now centered on the ship, also fixed a bug that occured in survival mode

v 1.05 Fixed health regeneration issue. Also, scores in survival mode are updated each time you hit the boss, the score won't be ignored when quitting via the exit to menu button.

v 1.04 You can now suicide by pressing the "9" key two times in case you wanna quit survival mode. (It won't save the score unless you die)


Mouse - move (mouse controls)
Left mouse button - Shoot (mouse controls)
WASD / arrows - move (keyboard controls)
X / L - shoot (keyboard controls)
F - toogle autofire
K - toggle keyboard controls
Space / P - Pause
M - mute all sounds

The game's a pun on the legendary flash game "You have to burn the rope". The Grinning Colossus was used with mazapan's permission.

Feel free to leave feedback, especially since it's my first flash game. I'm open for suggestions and tips, but also bug reports.



Rated 4 / 5 stars

Like it

It's fun to play, but i suck at it and I just can't pass the armor part...

People find this review helpful!
Gama11 responds:

Have you upgraded your ships firerate and damage? I assume you're playing on easy?


Rated 4.5 / 5 stars

Simple but

fun and addictive.

Gama11 responds:

Great to hear. ;)


Rated 4.5 / 5 stars

Cut the Rope reference, yeah! :D

That was a pretty awesome game :) Well done! :D

Gama11 responds:

Thx a lot. ;) Keeps me motivated for my next game!


Rated 3.5 / 5 stars

Pretty fun

I enjoyed this. I really did. I'm not sure what this game is referencing though. Anyways, this was a really good take on bullethells. It did feel short though. Almost too short in my opinion. I may go back and play a bit more but overall replay value is low. Still, it kept me occupied for a good ten minutes. Overall this is a really good quickie if you're bored.

People find this review helpful!
Gama11 responds:

Glad you liked the game - it indeed is short, but my next game will surely be longer. :)
It's referencing to this game, in case you care: /432872 (You have to burn the rope)