I found some information that the attiny88 and attiny828 can be programed from an arduino, similar to the programing of the attiny85/45, simply connecting the right pins. How to program Atmel ATtiny88 (not 45 or 85)?
However, what I have not been able to find out are the arduino cores (drivers) for the attiny88 and attiny828. I wonder if the cores (or drivers) to program the attiny88 and attiny828 from an arduino are available somewhere or would they have to be constructed?.