The Swapper

In this game you hack and slash through the enemies and rearange the map to get to the endpoint.
Controls:

x: attack

arrow keys to move

use mouse to move blocks by clicking on one (other than a glitchy looking block) and click on a glitch looking block to place it.

use the mouse to navigate the menu system.

Your health is in the top left corner of the screen, and the current block you have picked up is in a box in the middle bottom of the screen.