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A downloadable game for Windows and Linux

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Oatboy vs. Slime Mold is an attempt at making a fast-paced action game with a unique concept and original game play that would fit in with late-70's/Early-80's Arcade games.
I created the game back in 2013, but a few glaring issues had prevented me from releasing it to and Game Jolt. This new 2016 version is much better (and a little faster).

From the in-game text...

In this game you take the place of a sentient, mobile, Oat; and you have to keep away from a Slime Mold that, due to some sort of scientific experiment, is really really fast.

You are the "O"; an Oat that has come to life
You are trapped in a room with the "X"; a hungry Slime Mold
The "X" secretes a trail of X's while it moves
Avoid the "X" the wall of X's and secretions
Use the Cursor Keys to do this
If trapped, use your Shield to blast through the secretions
Use the Z Key to do this
Your Shield quickly depletes & becomes useless with use
Your Shield will slowly recharge & become useable again
More Slime Molds will join in the longer you run
Press the Escape Key to return to the main menu
Press Alt + Enter to toggle Fullscreen
Get at least 1000 points on Hard Mode for a surprise; Get at least 2000 points on either mode for another [SEIZURE WARNING]
Have Fun!

High Scores are auto-saved.

To keep up to date with MansterSoft, follow @MansterSoft.


Download or claim
On Sale!
100% Off
$1.00 $0.00 USD or more

Click download now to get access to the following files:

Oatboy vs. Slime Mold (Windows) 4 MB
Avena vs. Moho del Lodo (Windows) 4 MB
Avena vs. Moho del Lodo (Linux) 3 MB
Oatboy vs. Slime Mold (Linux) 3 MB

Development log


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Hey! Played a little bit of this on my channel. Was not able to reach 2000 points, but the 1000 point surprise was pretty good. :P


yeah, this is amazing. 1k on hard is hard, I can't even imagine 2k on easy. thank for you this incredible masterpiece

i've hit the surprise for hitting 1k at hard mode and its ******* beautiful

Congratulations! That sample still cracks me up.

Now you just gotta get 2k on either of the modes to experience that sweet sweet seizure mode.

I still haven't been able to beat 2k on Hard, but I do know it's possible on easy.