Genre: Roleplaying Game (RPG)
Platform: Game Boy Colour (GBC)
Progress: Gym Leaders / Elite Four Beaten > Time
The rules: Hit the throttle, no ‘roiding. 5 hours, standard speed.
Standard Pokémon Nuzlocke rules are:
• Name your Pokémon
• Catch only the first Pokémon you see in each area (except duplicates)
• If it faints, it’s dead. You must release the Pokemon
• Battle Style in the options must be "Set"
• No items in combat
Save reloading is not permitted.
With a hardcore ruleset, this puts a level cap on your monsters: they cannot be stronger than the next gym leader or Elite IV member's strongest Pokémon. If you exceed the cap, that Pokémon is ineligible for that leader.
Here’s the level cap breakdown:
Johto:
Gyms 5-7 can be down in any order
Gym 1 - Violet City: Level 9
Gym 2 - Azalea Town: Level 16
Gym 3 - Goldenrod City: Level 20
Gym 4 - Ecruteak City: Level 25
Gym 5 - Cianwood City: Level 30
Gym 6 - Olivine City: Level 35
Gym 7 - Mahogany Town: Level 31!
Gym 8 - Blackthorn City: Level 40
Elite IV 1 - Will: Level 42
Elite IV 2 - Koga: Level 44
Elite IV 3 - Bruno: Level 46
Elite IV 4 - Karen: 47
Elite IV Champion: Level 50
Kanto (unlikely to hit, start in Vermilion):
Pewter City: Level 44
Cerulean City: Level 47
Vermilion City: Level 46
Celadon City: Level 46
Fuchsia City: Level 39
Saffron City: Level 48
Cinnabar Island: Level 50
Viridian City: Level 58
Red: Level 81
TL;DR: Do read fully, cannot fuck about.
UPDATE: Timer starts after leaving New Bark Town with Pokeballs