4. Basic poke balls only - no great balls, ultra balls, or anything else.
5. No healing items, including berries.
6. Pokemon centers cost money per pokemon. Want to heal up a full team? You have to pay up six times.
1) magikarp as the only starter.
2) Can only catch other pokemon after beating the first gym.
3) There are 7 trainers and the champion in the elite four seven.
Make the first gym ghost type and that goes from 'hard' to 'just about impossible'.