While the game is intentionally messy, v1.1.0b adds a "Motion Blur Reduction" toggle. Purists can leave the psychedelic blur on, but competitive speedrunners can now turn it down to see enemy hitboxes more clearly.
A limited demo is available on Steam (search "Post Void Demo"). Post Void Free Download -v1.1.0b-
If you cannot afford the game, wishlist it on Steam and wait for a seasonal sale. If you absolutely must try a free version, use the official demo. While the game is intentionally messy, v1