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Kill Fun Yeah is an online 2D platform shooter.
Murder and capture your way to the top, using an ever increasing arsenal of silly weaponry and items, the powers of deflect, attract and freeze, as well as various powerups.
Make your own maps, using custom made tilesets and background sprites and create your own custom player skin to make you stand out on the battlefield.

  • Screenshot 0.36
  • Screenshot 0.36
  • Screenshot 0.36
  • KFY
  • Screenshots
  • Screenshot 0.36
  • Screenshot 0.36
Steam Keys


Steam Keys

Information for getting Steam keys for those who have already purchased the game or received it as part of a bundle.

Jun 18, 2014 News
Kill Fun Yeah Beta 0.40


Kill Fun Yeah Beta 0.40

Kill Fun Yeah Beta 0.40 has been released. Spectation and typing indicator.

Jul 16, 2013 News
Kill Fun Yeah Beta 0.39


Kill Fun Yeah Beta 0.39

Kill Fun Yeah Beta 0.39 has been released. Various fixes and tweaks.

Nov 26, 2012 News
Kill Fun Yeah Beta 0.38


Kill Fun Yeah Beta 0.38

Kill Fun Yeah Beta 0.38 has been released. New game mechanic, hats, emotes, friend system and more!

Nov 8, 2012 News
Kill Fun Yeah Alpha 0.37


Kill Fun Yeah Alpha 0.37

Kill Fun Yeah Alpha 0.37 has been released. More hats and powerups!

Oct 22, 2012 News
Comments  (0 - 10 of 94)
IvanCarlos Jul 28 2014, 10:15pm said:

I'm getting MCF install error, impossible to install =(((

+1 vote     reply to
explosion_effect Jun 15 2014, 6:44pm said:

MCF install error....HELP!

+2 votes     reply to
kjl56 Jun 11 2014, 8:26pm said: Online

This worked for me and was posted on dev web sight
Myself and some others that have the game on Desura can not launch it or update it,
Keep getting mfc errors on all of the update install options.
What I did was run an update, when this was going on,
I was able to get my cd key, it is not listed in the game.
Next was to open the installed game folder and run keyserver.exe and after the
update the game started, had to make an account and enter my key, no issues there.
After shutting the game down tried to patch it in Desura and again it failed and it shows
as not being installed when it really is.
Have not tried the game in steam yet.

+1 vote     reply to
raigeki May 31 2014, 2:29pm said:

I can't create new acc. on this site:http://www.killfunyeah.com/login.php

Why? It said: Acc. created go and check ur email but never got an email o_O?

0 votes     reply to
FiX-Hun May 29 2014, 10:44am said:

HELLO! Is this game abandoned or what?? We reported a serious bug more than a week ago and nothing happened. Werent get a simple answer from the devs. They should fix it already. It isnt something minor, the game doesnt run at all!

+3 votes     reply to
drkisszoltan Jun 2 2014, 11:39am replied:

Same error here, Win 8 64 bit.

+1 vote     reply to
schwachi May 26 2014, 3:37am said:

Same Error here MCF Install Error, pls. fix this

+3 votes     reply to
Newtomic Jun 2 2014, 10:28pm replied:

Same here
Windows 7 64bit

+1 vote     reply to
FiX-Hun May 23 2014, 3:22am replied:

win7 64 bit here and the problem is still exist

Im not sure if its a problem with this game or something went wrong with the Desura client itself cuz the client had an update too a few days ago and after that I started to experience some weird things. I have to login again and again all the time, Desura forget me till its running and a conventional window header appeared on the top of the client wasnt there before.

+1 vote     reply to
avanzato May 24 2014, 7:22am replied: Online

Yes I am having the same problem with the game not installing and with the Desura client login not working properly.

+1 vote     reply to
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Latest tweets from @waltruss
@eternalerror @DunderAxel :D Aug 11 2014, 8:49pm
RT @PJBLar: #KillFunYeah KFY 1.05 T.co Aug 5 2014, 3:28am
RT @eternalerror: I met the ThunderHumor duo! #thunderhumor #killfunyeah T.co Aug 4 2014, 8:55am
...dolphins sounds like some squeaky doors. Aug 4 2014, 3:52am
Sound effect tip: Some squeaky doors sound like dolphins. Aug 4 2014, 3:50am
@DunderAxel it's a smart and nifty feature. Aug 3 2014, 1:25pm
I have an ask now. I am hip and with the times. Ask away: T.co Aug 3 2014, 10:34am
@FantomenK So good! Jul 30 2014, 10:37am
I made a new song: T.co Jul 28 2014, 11:43am
@KallePonkenSE yes! Stjärna i kanten!!!!! Jul 27 2014, 8:54am
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