ROM download link: https://www.dropbox.com/s/olt0rk48wkuagsr/Pokemon%20-%20Crystal%20Version%20Challenge%20mode%20(USA%2C%20Europe).gbc?dl=0

Set time to 5:50pm (5:45pm in race)
12 Attack, 11 Sp.Def needed
Get hidden potion before mr pokemon's house
Psncureberry (to the left) and Berry on way down
Leer+Scratch Rival
Catch sentret if encountered (scratch to weaken)
Get berry on route 29
Catch poliwag if encountered (scratch to weaken)
Scratch all mikey, fight don and scratch all for EXP
Catch bellsprout if encountered and no sentret (chuck balls)
Get potion and bitter berry
Go to mart, 2 Potions(D1), 1 Awakening(D4), 1 X Defend(D1), 1 X Speed(D2)
Potion to 23HP+Berry before Abe
Rage x4
Potion and equip another berry
Rage all
Potion if it will have max value and equip berry if have a spare
Falkner: X Defend, X Speed, Potion to full, (awaken), Rage all

Get egg & double deposit then deposit all slaves (if no slaves take centre before getting egg)
Get przcureberry and repel
Equip bitter berry and repel for cave
Get X Attack
Fight russell on purpose for EXP: WG,WG,WG
Get potion
(WG,WG x4)
Buy 5 Potions(D2), 4 Repels(D3), 3 Antidotes(D1)
Get full heal behind well
potion if below 19HP
WG x2/3,if <19 speed: potion then WGs (switch out and heal if neccacary), if 19+ speed: WGs and use leer or potion when he uses rage
18 Speed ties with Dunsparce
Before every fight (including spinner) from now until Bugsy, use a potion if it will have max value
Rage all 
Get super potion
Scratch x2,WG x3,WG(Scratch)
equip psncureberry
WG x3, WG x4
Free heal from kurt
Re equip bitter berry if still have
walk in front of right twin
Scratch x3,WG x3
go left in gym
WG x4 | (WG,WG+Rage,Rage)
Potion to full before bugsy
Bugsy: Rage all (if status,heal status and super potion to full on bedrill then rage more)

withdraw all slaves and pc heal (centre if no slaves), equip przcureberry and teach fury cutter(rage)
Azelia Rival: WG x2,Fury cutter x3,Bite x2
Teach bite(leer)
Repel upon forest entry unless need oddish
Catch oddish if no cut slave (water gun to weaken)
Get revive, HM01, teach to cut slave before tree
Get X Attack, hidden super potion near headbutt and headbutt.
Get bike, teach headbutt(scratch), register and use bike then go up to spinner hell
(WG,Headbutt,Headbutt+WG) | (Headbutt all) | Headbutt x2,Headbutt x2/3
Repel before spinners at top
Talk to squirtbottle girl and go back to goldenrod (gym)
(Headbutt all) | (WG,Headbutt,Headbutt+WG)
Go back to gym
Headbutt x2,Headbutt x2
Heal to full before Whitney
Whitney: Fury cutter all

Get squirtbottle and go shopping
Up 4 stairs
Sell TMs
Buy TM33(D2)
Down 2 stairs
Buy 1 X Speed, 3 X Special, 3 X Attack
Down 1 stairs
bottom: Buy 5 Escape ropes, 3 Repels, 1 Pokedoll
top: max Super Potions
Take pokemon centre
Go north and get kenya
(WG,Headbutt,WG(Bite)) | (Bite,Bite,Headbutt,Bite x2)
Repel before spinners at top again
Kill sudowoodo if not hit any spinners
(Headbutt x2)
WG x3 flareon | Bite x3 espeon | Fury cutter x4 umbreon | Headbutt x3 vaporeon
Heal to full before Jolteon, Headbutt x2(Bite) (if going to die, switch out and heal)
Get surf and go to mart
Buy (4 Pokeballs*), 8 Super Potions(D3), 5 Paralyz Heals(D2), 3 Awakenings(D1)
*only if not got poliwag yet
Repel, heal, teach ice punch(fury cutter) and surf(water gun) and bike to burnt tower
X Spec X Speed Surf,Surf,IP x2,Bite+Surf
Wing attack does ~17
dogs cutscene, super potion to 49HP then escape rope out
IP,IP,Surf,Surf,Surf | Bite x2
Heal to 47HP
Surf,Surf(IP),Surf
Morty: X Spec IP,Surf,Bite+Surf,Bite+IP
Misdreavus shadow ball does ~21

Use repel and bike west
(Surf,Headbutt) | (Bite+Surf) | IP*
*Fight the guy on left instead of girl (lower level pikachu)
Buy 14 Super Repels
Go to lighthouse
Headbutt+Bite/IP,Surf | Headbutt,Surf | Headbutt(Bite),Headbutt x2+Bite
Get ether
(Surf,Surf,Bite x2)
talk to jasmine, get rare candy.
(equip bitter berry), super repel, switch them to top and escape rope
Take centre, Get strength, then surf down to cianwood
(Headbutt(Bite),Headbutt(Bite),Headbutt x2)
Get shuckle from guy and go to gym
Headbutt+Surf | Headbutt+Surf | Surf,Headbutt+Surf,Surf x2
Super potion and teach strength to shuckle
Surf,Surf,Headbutt+IP
Chuck: Headbutt+Surf,2 X Atk Surf+Headbutt,Headbutt x3

Get fly and secretpotion
teach fly to kenya and fly to ekruteak(D3)
go east
super repel (and equip przcure) in mt mortar
(bite diglett/geodude,Headbutt* dugtrio)
*IP if hit Kaylee
Pokedoll red gyarados, talk to lance, fly back to mahogany(D2)
Headbutt,Headbutt*,Bite | Headbutt*,Headbutt*,Headbutt | Surf,Surf,Surf
*Bite if hit Kaylee
press switch, get hyper potion
free heal from lance
Headbutt,Headbutt | Headbutt,IP (talk) | Surf (talk) | (Bite,IP,IP) | Surf,Headbutt,Bite,IP,Surf(IP),IP
Get full heal
Headbutt+Surf,IP(Bite),Surf | Surf electrodes, walk out!
(Bite,IP,IP)
Pryce: X Atk Headbutt(Headbutt),Headbutt x2,Surf,Surf
Piloswine can do ~40

Fly to Olivine(D4), take centre and deliver secretpotion 
(IP,Surf,Headbutt)
Escape rope out and bike to gym
Jasmine: X Special Surf,Surf,Surf,Surf
Magnemite does ~77

Fly to goldenrod(U4)
Go to mart
Get return (5F, left) and x items (2F):
Buy 11 X Speed, 21 X Special(D1), 3 X Defend(D1), 21 X Attack(D1), 2 Guard Spec(D2), 1 X Accuracy(D1)
[spare X items: 3 spe 1 atk]

Go to radio tower:
2 X Spec Surf,IP,Bite
Surf,Surf(IP),Bite x2 | Headbutt x2 | Headbutt,IP,Surf | Headbutt,Surf,Surf x2
Ether surf and teach return 
IP,Return,Return,Return | Surf,Surf,Surf | Bite+Surf  | Guard Spec. X Special X Speed IP,Surf,Surf,Surf,Bite(Bite),IP

Walk out of radio tower, go to underground
Return,Return | Surf,Surf,Surf,Bite | IP,Surf,X Spec IP,IP,Surf | Bite | Return(Bite),Bite,IP | Bite,Return(Bite),Return | Return,Return,Return | Return,Return,Return | Return,Return | Surf,Return,Return(Bite) | Return,Surf,Surf | Bite,Bite,Bite or Return,Return,Return if have enough PP
Escape rope, take centre, go back to radio tower

Surf,Surf,Surf | X Spec IP,Surf,Surf | X Spec Surf,IP,Surf,Surf | X Speed X Atk Return,Return,Return,Return(Bite),Return

Get pink bow (girl one floor down) and  radio card (YYNYN) and exit
Fly to mahogany(D2)
Catch poliwag/poliwhirl if not got one. (IP only poliwhirl to weaken)
Super repel in ice path. Get waterfall
In blackthorn, just above centre: Super repel, equip pink bow and teach whirlpool and waterfall to poliwag
Return,Return,Surf | Bite x2,Surf | Return,Return,Bite x2 | Return,Return*,Return
*IP if 13 attack unless L52
Heal to 81HP
Clair: 2 X Atk Return,Return,Return,Return

Go to dragon's den
Surf,IP,IP with 13 attack / Return,Return,Surf with 14 attack
11212 on quiz
super repel and escape rope out and then fly to new bark after phone call. Surf east to Kanto.
Take heal in house
(Return(Bite),[hyper if taken dmg],Bite+Return,Return x2) | Surf,Return
Super repel in victory road. Get TM26 (earthquake)
2 X Spec (X Speed if speed fall) Surf,Surf,IP,Surf,IP,IP
Buy 16 Full Restores(D4) and 11 Revives(D1)

Heal if joyce damage
Will: X Spec (3 more X Spec if light screen) Bite+Surf,IP,Bite+Return*,Return*,IP
*Bite x2 slowbro and Bite+Return Jynx if under reflect

Heal to 120HP (teach EQ over bite if healing)
Koga: 2 X Atk (X Acc) Return,Return,Return,Return,Return*
*Crobat fly does ~33, heal straight away on crobat if 33 or less HP

Heal to 90HP with 14 attack or 135HP with 13 attack (teach EQ if healing)
Bruno: 2 X Atk (3 if 13 attack) Return*,Return,Return,Return,Surf
*EQ if hit Joyce and have taught EQ

Heal to 60HP (teach EQ if healing)
Karen: 2 X Spec Surf x2,IP,Surf,Surf,Surf

Heal to 130HP (teach EQ if healing)
Lance: 3 X Atk X Speed Return,Return,Return,Return,Return/Surf charizard,Surf aerodactyl
Heal on gyara if low (Dragonite extremespeed)
Gyarados hyper beam does ~66

Get SS Ticket from Elm
Fly to olivine(D5)
Return,Return,Return
Fly from vermillion to vermillion(U1)
Go north to saffron, get focus band in dojo and then go north towards cerulean and then east to route 9
Return+EQ,Surf x2,Surf | (Return,IP,IP(IP))
Super repel (teach EQ if haven't already)
Surf to power plant, talk to manager to set flag
Fly to Cerulean(U1)
Go to gym and leave after talk
Go north to nugget bridge
IP+Surf | X Atk Return,Return,Return | IP,EQ+Return,Surf | X Atk Return,Return,Surf/IP | Surf,EQ x2 | Return,IP,IP(IP)
Heal to 80HP
Return(Surf),Surf x2
Misty cutscene, fly to Saffron(D1), bike to celadon gym
IP(EQ),EQ x2 | IP(Return),Return | Return,IP,IP(IP)
Heal to 135HP [check speed when leveling]
Erika: 2 X Atk Return,Return,Return,Return

Fly to cerulean(U1). Take centre ONLY if need to before Misty. Need 35HP for 1 X item, 85HP for 2 X item, 150HP for 3 X item.
Go around right of gym and surf to misty.
Misty: X Atk (2 if 13 atk) (X Speed if below 128) EQ,Return,Return,Return,EQ

Get and Deliver machine part (Return,IP,IP)
Heal to 195HP if taken centre before Misty, Fly to saffron(D1), take centre if didn't before Misty and go to gym.
(EQ,Return+IP)
Sabrina: X Atk X Speed,heal if <60HP Return,Return,Return,Return,Return+EQ

Go east to get exp card
(Surf,Surf,Return)
get exp card, fly to vermillion(U2)
Fight right trainer, Return,Return,Return
Surge: EQ,EQ,EQ,EQ,EQ

Go to snorlax, super repel, and wake him up (run from him)
Surf,Surf shuckle,IP graveler
Brock: IP,Surf,Surf,IP,IP

Bike down to cinnibar, talk to blue, surf to blaine.
Blaine: X Spec Surf,Surf,Surf,Surf
[10243 EXP for level before Moltres]

Surf west to Fuschia. Janine is on far left.
Heal to 35HP
Janine: X Atk Return,Surf,Return,Return,Return

Fly to viridian(U2) (full restore if <50%)
Blue: IP,X Speed 2 X Special X Attack,full restore, Surf,Return x2,IP,Surf,Surf,Surf

Fly to Pallet(U1), talk to oak, fly back to viridian(U2), take centre, bike to mt silver

Equip focus band with second super repel

RED:

If pika misses - EQ,IP to freeze venusaur*, X Speed 5 X Special IP,Surf,Surf,Surf x2,Surf

*switch out to slaves to die to solarbeam and then switch back in feraligatr and try again (also heal him on slaves the last time if low).

*If no venusaur freeze: X Speed, kill venusaur, Return x2 Espeon (surf if reflect), X Defend 3 X Special (use more X Defends if curse) on snorlax then Surf x2,Surf x3,Surf

If no pikachu miss: keep reviving and sending in slaves to stall pikachu out of thunders then send Feraligatr back, Guard spec, 5 X Special, X Speed Surf,IP,Surf,Surf,Surf x2,Surf