1: Pokemon that "faint" are dead.
2: You may only catch one Pokémon per area.
3: The 'Dupes Clause' does not apply.
4: Your starter cannot leave your party until 'death'.
5: All Pokémon need nicknames.
6: Every 'dead' Pokémon must stay in your party, unless it is your starter.
7: Trading (whether with NPCs or other people) is disallowed.
8: Online features are banned.
9: You may battle ten Pokémon in each area to train. However, this is optional.
10: You may only have one Legendary Pokemon in your party at the same time. Pokémon with a BST of over 600 are banned.
11: Master Balls are banned.
12: The PC can only be used to remove a 'dead' starter from your party.
13: If all of your Pokémon faint and you have no backups to replace your starter (or you have already changed your starter), it is Game Over.