It's when two or more colors lay in lines of one pixel thickness and create a gradient. Not really pretty and should be avoided at all costs.

Oh, yeah, I've gotten that before, tried reducing it pretty effectively with more recent batches of sprites. But I was thinking just shading from left to right, or would that still create the same effect?

Almost like a half-outline, if you know what I mean...

great handgun, more fun than some vanilla weapons.

Lol, I was using it at long range against a brain robot, and the bullets just bounced off of its head. Mimics about how effective a handgun is at long range against metal, but It was rebounding off of glass. Ah well, it was funny, at least. And by long range, I'd say about 400 700 pixels

Edit, YAAAAAAAAAAAAAAAAAAAAAY new gunzzzzzzzz.

UPDATED

two guns added.

Awesome, I now put up some pictures. Should I make a .gif?

The terrain rape on the sniper rifle is ridiculous at the moment, but I've yet to think of a working solution.
Also, there is some commented out Lua which you might find interesting.

Also, we need a Rokkit Lawnchair blah blah HE blah blah blah inaccurate blah blah long ranger. Blah.

Do a raytrace on the bullet according to it's velocity, SceneMan:CastStrengthRay().
If it returns greater than x, slow it down or kill it or make it explode or bounce or collapse the wavefunction.

I like these sprites, guys. I made you some GIFs.
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Sorry they're a little shaky.

Thank ye, added.

The first download is still up. You might want to use an offsite host to avoid confusion. Alternatively, you could add a comment to the latest file?
Also, to tone down the terrain rape, a possibility is to have it check its altitude on update and have it delete itself it is extremely low for a few adjacent frames? With that you could have a low threshold, meaning it won't disappear when skimming soil while maintaining a slight amount of terrain damage.

Wouldn't you add the actors here, or are they in a separate mod?

viewtopic.php?f=61&t=19499
It's fitting since it's at the moment the only actor me and pete has released as a collab.

Silly Lizard, you've labelled the wrong download as the new version.
The bigger one is the latest version, download that instead.

That has now been fixed by the aforementioned Lizard.