In a web browser:
Typing wiki.spiralknights.com/vise will auto-capitalize to wiki.spiralknights.com/Vise and bring up Vise's page. Great! :D
Typing wiki.spiralknights.com/spike_shower will auto-capitalize to wiki.spiralknights.com/Spike_shower. It does not bring up Spike Shower's page. :(
Can we add wiki redirects for the lower-case multi-word URLs? Is that under our control? Is it a MediaWiki thing?
Or is this impossible?
--Cheshireccat
Yes, it's a MediaWiki thing to auto-capitalize the first letter, but no subsequent letters. You can see this all over Wikipedia.
In fact, this MediaWiki feature controls the "house capitalization style" of Wikipedia, where article and section titles are capitalized in their first letter but no subsequent letters --- for example, "Climate change denial", not "Climate Change Denial".
When I started editing the Spiral Knights wiki I had to adjust to the capitalization style here --- for example "Battle Sprite", not "Battle sprite".
Of course, proper nouns requiring capitalization are capitalized on Wikipedia. If you search for "Grand theft auto", you are redirected to "Grand Theft Auto". So yes, the standard way to deal with this issue seems to be manual redirects.