Ninslash gets overwhelming with all the blood splatter and particles,
don't think it is better than tw not at all but there are certain aspects in it that tw could benefit from I believe. it has nicely working jump pads and the weapon variety certainly is interesting to say the least.
Teeworlds is an active, multiplayer FOSS game. You control a Tee character, and usually work with others to solve different missions. Teeworlds supports both English and Korean, with 500+ players online most days.
Your edits look good. I don't know if I should add these because I don't want to make the article excessive (it's just a light intro to the game), but I can if you think they're really important