Red/Blue Gameshark Codes:

Catch any Pokemon: 01XXD8CF
Replace the XX with the number of the Pokémon you want.
All Pokémon are at whatever level the Pokémon in the area are.
The picture may looked messed up, but you can still catch it.

Pick any Pokémon from Prof. Oak:
Use this list for the 'Catch any Pokemon' Cheat too.
01 - Rhydon
02 - Kangaskhan
03 - Nidoran Male
04 - Clefairy
05 - Spearow
06 - Voltorb
07 - Nidoking
08 - Slowbro
09 - Ivysaur
0A - Exeggutor
0B - Lickitung
0C - Exeggcute
0D - Grimer
0E - Gengar
0F - Nidoran Female
10 - Nidoqueen
11 - Cubone
12 - Rhyhorn
13 - Lapras
14 - Arcanine
15 - Mew
16 - Gyarados
17 - Shellder
18 - Tentacool
19 - Gastly
1A - Scyther
1B - Staryu
1C - Blastoise
1D - Pinsir
1E - Tangela
1F - Missingno.
20 - Missingno.
21 - Growlithe
22 - Onix
23 - Fearow
24 - Pidgey
25 - Slowpoke
26 - Kadabra
27 - Graveler
28 - Chansey
29 - Machoke
2A - Mr. Mime
2B - Hitmonlee
2C - Hitmonchan
2D - Arbok
2E - Parasect
2F - Psyduck
30 - Drowzee
31 - Golem
32 - Missingno.
33 - Magmar
34 - Mankey
35 - Electabuzz
36 - Magneton
37 - Koffing
38 - Missingno.
39 - Missingno.
3A - Seel
3B - Diglett
3C - Tauros
3D - Missingno.
3E - Missingno.
3F - Missingno.
40 - Farfetch'd
41 - Venonat
42 - Dragonite
43 - Missingno.
44 - Missingno.
45 - Missingno.
46 - Doduo
47 - Poliwag
48 - Jynx
49 - Moltres
4A - Articuno
4B - Zapdos
4C - Ditto
4D - Meowth
4E - Krabby
4F - Missingno.
50 - Missingno.
51 - Missingno.
52 - Vulpix
53 - Ninetales
54 - Pikachu
55 - Raichu
56 - Missingno.
57 - Missingno.
58 - Dratini
59 - Dragonair
5A - Kabuto
5B - Kabutops
5C - Horsea
5D - Seadra
5E - Missingno.
5F - Missingno.
60 - Sandshrew
61 - Sandslash
62 - Omanite
63 - Omastar
64 - Jigglypuff
65 - Wigglytuff
66 - Eevee
67 - Flareon
68 - Jolteon
69 - Vaporeon
6A - Machop
6B - Zubat
6C - Ekans
6D - Paras
6E - Poliwhirl
6F - Poliwrath
70 - Weedle
71 - Kakuna
72 - Beedrill
73 - Missingno.
74 - Dodrio
75 - Primeape
76 - Dugtrio
77 - Venomoth
78 - Dewgong
79 - Missingno.
7A - Missingno.
7B - Caterpie
7C - Metapod
7D - Butterfree
7E - Machamp
7F - Missingno.
80 - Golduck
81 - Hypno
82 - Golbat
83 - Mewtwo
84 - Snorlax
85 - Magikarp
86 - Missingno.
87 - Missingno.
88 - Muk
8A - Kingler
8B - Cloyster
8C - Missingno.
8D - Electrode
8E - Clefable
8F - Weezing
90 - Persian
91 - Marowak
92 - Missingno.
93 - Haunter
94 - Abra
95 - Alakazam
96 - Pidgeotto
97 - Pidgeot
98 - Starmie
99 - Bulbasaur
9A - Venusaur
9B - Tentacruel
9C - Missingno.
9D - Goldeen
9E - Seaking
9F - Missingno.
A0 - Missingno.
A1 - Missingno.
A2 - Missingno.
A3 - Ponyta
A4 - Rapidash
A5 - Rattata
A6 - Raticate
A7 - Nidorino
A8 - Nidorina
A9 - Geodude
AA - Porygon
AB - Aerodactyl
AC - Missingno.
AD - Magnemite
AE - Missingno.
AF - Missingno.
B0 - Charmander
B1 - Squirtle
B2 - Charmeleon
B3 - Wartortle
B4 - Charizard
B5 - Missingno.
B6 - Missingno.
B7 - Missingno.
B8 - Missingno.
B9 - Oddish
BA - Gloom
BB - Vileplume
BC - Bellsprout
BD - Weepinbell
BE - Victreebel

Change the Level of Wild Pokémon: 01??27D1
Levels:
5 - 05
10 - 0A
15 - 0F
20 - 14
30 - 1E
40 - 28
50 - 32
75 - 4B
100 - 64

Buy Anything in any PokéMart: 01XX7CCF 1st Slot
01XX7DCF 2nd Slot
01XX7ECF 3rd Slot
01XX7FCF 4th Slot

Mart Item Modifier:
01 Master Ball
02 Ultra Ball
03 Great Ball
04 PokéBall
05 Town Map
06 Bicycle
08 Safari Ball
09 Pokédex
0A Moon Stone
0B Antidote
0C Burn Heal
0D Ice Heal
0E Awakening
0F Paralyze Heal
10 Full Restore
11 Max Potion
12 Hyper Potion
13 Super Potion
14 Potion
1D Escape Rope
1E Repel
1F Old Amber
20 Fire Stone
21 Thunder Stone
22 Water Stone
23 HP Up
24 Protein
25 Iron
26 Carbos
27 Calcium
28 Rare Candy
29 Dome Fossil
2A Helix Fossil
2B Secret Key
2D Bike Voucher
2E X Accuracy
2F Leaf Stone
30 Card Key
31 Nugget
32 PP UP
33 PokéDoll
34 Full Heal
35 Revive
36 Max Revive
37 Guard Spec
38 Super Repel
39 Max Repel
3A Dire Hit
3B Coin
3C Fresh Water
3D Soda Pop
3E Lemonade
3F S.S. Ticket
40 Gold Teeth
41 X Attack
42 X Defend
43 X Speed
44 X Special
45 Coin Case
46 Oak's Parce
47 Item Finder
48 Silph Scope
49 PokéFlute
4A Lift Key
4B Exp. All
4C Old Rod
4D Good Rod
4E Super Rod
4F PP Up
50 Ether
51 Max Ether
52 Elixer
53 Max Elixer
A3 Walk Through Walls
C4 HM01 Cut
C5 HM02 Fly
C6 HM03 Surf
C7 HM04 Strength
C8 HM05 Flash
C9 TM01 Mega Punch
CA TM02 Razor Wind
CB TM03 Swords Dance
CC TM04 Whirlwind
CD TM05 Mega Kick
CE TM06 Toxic
CF TM07 Horn Drill
D0 TM08 Body Slam
D1 TM09 Take Down
D2 TM10 Double-Edge
D3 TM11 Bubble Beam
D4 TM12 Water Gun
D5 TM13 Ice Beam
D6 TM14 Blizzard
D7 TM15 Hyper Beam
D8 TM16 Pay Day
D9 TM17 Submission
DA TM18 Counter
DB TM19 Seismic Toss
DC TM20 Rage
DD TM21 Mega Drain
DE TM22 Solar Beam
DF TM23 Dragon Rage
E0 TM24 Thunderbolt
E1 TM25 Thunder
E2 TM26 Earthquake
E3 TM27 Fissure
E4 TM28 Dig
E5 TM29 Psychic
E6 TM30 Teleport
E7 TM31 Mimc
E8 TM32 Double Team
E9 TM33 Reflect
EA TM34 Bide
EB TM35 Metronome
EC TM36 Self Destruct
ED TM37 Egg Bomb
EE TM38 Fire Blast
EF TM39 Swift
F0 TM40 Skull Bash
F1 TM41 Softboiled
F2 TM42 Dreameater
F3 TM43 Sky Attack
F4 TM44 Rest
F5 TM45 Thunder Wave
F6 TM46 Psywave
F7 TM47 Explosion
F8 TM48 Rock Slide
F9 TM49 Tri Attack
FA TM50 Substitute
FB TM51 Cut
FC TM52 Fly
FD TM53 Surf
FE TM54 Strength
FF TM55 Flash

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