Defeat Brock at Pewter Gym (Lv 14 cap and Set Mode) using only a Lillipup and the monkey strong against your starter (Pansear/Pansage/Panpour) without using items
Defeat Lt. Surge at Vermilion Gym (Lv 24 cap and Set Mode) using up to 3 Pokemon among Whirlipede, Swadloon and Dwebble (no duplicate) without using items
Defeat Koga at Fuchsia Gym (Lv 44 cap and Set Mode) using up to 3 Pokemon among Krookodile, Seismitoad and Excadrill (no duplicate) without using items
Defeat the Elite 4 and the Champion in one session (Lv 65 Cap and Set Mode) using a team consisting of Unfezant, Liepard, Gigalith, Haxorus, the same starter as your rival and the Simi of the type of your starter (no items in battle)