I had always been a bit intimidated about dealing with localization for my game. This has been a do-it-yourself kind of project -- I even took some music lessons to learn the basics of composition. One thing I can't do myself, at least not before finishing Nummels, is learn Chinese. It turned out that it wasn't such a big deal to pay someone to do this part.
After getting the game ready to be able to swap out all the text with any other text, I asked for a quote from a bunch of localization companies. I found about a dozen of them that have experience doing game translation. I settled on one that had a good price and nice features -- I liked that I could see the progress of the translation as they were working on it and I could answer questions from the translators directly. I ended up spending about as much on my nice cover art illustration as I did to get the whole game translated into three languages. I'm not sure if it will be worth it, but I feel like it was a good investment to help me reach a wider audience.
Nummels may be dumb, but they're predictable. When they see a ladder, they will always climb it. If they find some gum on the ground, they'll stop and chew it. If they fall in the water, they will stop breathing. It's up to you to move things around so that your litter of Nummels can make it through each level to the exit.
Go fast for the best score
On most levels you can take your time and set everything up before letting them loose, but to get good scores and unlock all the things, you'll need to go fast. Each level has a leaderboard that's ranked on saving all the Nummels the as fast as possible.
A few Nummels may have been harmed during the production of this game.
MINIMAL SETUP
OS: Ubuntu 16.04 and Ubuntu 18.04
Processor: x64 architecture with SSE2 instruction set support