New bots might be very hard to introduce ATM, as you need to modify game code, and if you want to make hovers underwater, then you have to make some serious physics code changes.
Random idea:Beyond the expedition:Colobot Expansion(I will program if I learned programing properly and I have time)features:racing gamemode,new planets:Giganat,a huge versio of the earth,where all people died of a sickness;Twilight,the planet on which the usermission Alert plays;Jinx,the home of the suriver insects;Aquari,a giant ocean in planet shape;Radium,a radioactive planet, on which you got to use clutonium instead of uranium;Blupiria,Blupi´s home
Also BuzzingCars models could be unpacked by the unpacker from our download. It would be useful to being able to import those models too, especially when there's a lot of potentially useful in GOLD environment models. And we have a license that mentions BuzzingCars elements usage.