Have you ever wanted to make something like a grid based RPG? Maybe a grid based roguelike? Well this demo has you covered. In this demo, there is a super easy to understand method of grid based movement called collision maps. It's fast, and easy to understand.

The whole system is tile based reducing CPU even further, and everything is done through a few lines of code to setup, and even less to use. In fact, all you need to do once it's setup is call checkCollision(x, y) to see if a position is free.

This asset does not handle RPG elements and such, this is strictly for movement and collisions.

Play a demo of it here.

Check out the manual here.

End User Licence Agreement (EULA).

Version 1.0.0. Published August 9, 2015

Created with GameMaker: Studio v1.4.1598

Age Rating: 4+

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Vee F 16 December 2017

Exactly the Help I Needed!

I tried Reddit first, and then found this. Although i still have problems to solve, this is exactly the sort of help I needed to get my game working on the most basic level.


Sergey B 05 April 2016


Great demo of simple yet fast matrix-based calculation of movement and collision.

What is the issue?

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