If the player has no new Pokémon registered as caught in the Pokédex (by only having the starter Pokémon) and/or no Poké Balls in his Bag (this includes buying/finding/obtaining any and then selling/tossing/depositing them) after defeating the rival on Route 22, Oak will give five Poké Balls to the player after being talked to. Generation I Pokémon. Agility increases the user's Speedby two stages. If a level 171 Pokémon uses Psywave, the upper bound would be 256; however, since this value is stored in a single byte, it overflows to 0, causing the same issue as a level 0 Pokémon. If the opponent doesn't have a Substitute up no damage will be dealt to any Pokémon. If a Pokémon uses a recovery move (Softboiled, Rest or Recover) and the difference between its current HP and maximum HP is 255 or 511 (or any number that leaves a remainder of 255 when divided by 256), the move will fail the same way it would when the difference is 0. Talking to the man will only cause him to say "Welcome to the Safari Zone" without actually asking if the player wants to enter. This system was later changed in Generation III, where wild Mew could be encountered. During a Link Battle, if Mirror Move and a binding move (such as Wrap or Fire Spin) are used together, the two player's games may become desynchronized due to one game interpreting that the attack used was Mirror Move (and failing) and the other game interpreting that the binding move was used instead. This prevents progression in the game, as the old man will not move until the player delivers Oak's parcel. After setting up the glitch, the player then jump off a ledge exactly when the game thinks the Safari Game should end. Encountering a wild Pokémon fixes the sprites. If the player lures an NPC onto the path that Professor Oak takes to bring the player to the laboratory, Professor Oak and the player will walk right over and through her. In any lift of Pokémon Red/Blue/Green and Yellow, if the player chooses to go to the floor they're already on, the lift acts like it is moving. This glitch is the result of missing code. All glitch items are available with the item underflow glitch. In a link battle, because the Pokémon is only considered to faint on its Trainer's side of the link and not its opponent's side, it can cause a communication error. It also causes the "Cycling is fun! I'm not a hundred percent sure, but if it isn't a glitch pokemon it should be safe to catch, forgive me if i'm wrong.---It was this or Residenthill. This glitch causes the player to face in a different direction, which confuses the game. If the player holds "A" at the moment they interact with the Poké Ball in Oak's Laboratory, the game will be frozen until the player lets go of the button. Notes *: If the battle starts with a Pokémon with an ID greater than 199, it will appear as a Trainer. In Generation I, many glitch Pokémon will distort battle sprites upon their encounter; however, this can be fixed by viewing the stats of a non-glitched Pokémon in the overworld. Yes, it is safe to catch them, however, if they get even one Exp point, they revert back to level 100. The exact timing is a dificcult two frame window, doing it too early corrupts the previous save file and doing it too late completely overwrites the previous save file. Unavailable items such as Pokémon FireRed and LeafGreen key items in Pokémon Emerald may also be considered to be glitch items, as well as unused/unavailable items such as ????? This effect can stack until a stat reaches the maximum of 999. NOTE: The following glitches affect all Game Boy versions of Japanese Pokémon Yellow (1.0 to 1.3) unless noted otherwise. to a list of 'boxed Pokémon') and corrupt data. During this event in the English versions, one of the lines of his dialogue appears over the previous line, instead of on a new one. The index number of the Hall of Fame room is 118, so the player must toss exactly 138 of item 36 to change the warp destination to the Hall of Fame. Another simpler method is to use the NPC that guides the player to the Pewter Museum of Science. These hidden items are believed to have been fixed in Japanese Pokémon Blue and later versions (including the localized versions of the Generation I games). Below is one method of doing this that requires no luck manipulation: In Pokémon Yellow, the memory address D364 is used for the last map location for walking through certain exits, including the exit for Red's house and the first item position address is D31D. If a Pokémon is then poisoned, burned, or affected by Leech Seed, the damage will draw upon (and increment) the N value, and will increase each turn. Even though the tree is not visible, it can still be cut down normally using the move Cut. For example, Grass-type moves do neutral damage to Gyarados, but if Gyarados is hit by a Grass-type move, the game erroneously states that the attack is "not very effective...". In Cerulean Gym, the water tiles have wild Pokémon data programmed in, which allows players to fish Pokémon. The first generation (Generation I) of the Pokémon franchise features the original 151 fictional species of creatures introduced to the core video game series in the 1996 Game Boy games Pokémon Red and Blue.. Many items that are normally unable to be bought will not have a price. message when trying to use the Bicycle even when they are not on the Bicycle. In Pokémon Yellow, the Old Rod and Good Rod work, but the Super Rod doesn't. (The poisoned Pokémon loses HP every four steps and causes the screen to flash, so it is possible to count 124 flashes and take 3 further steps. Since it is level 34, it will learn Rollout. RBY LC necessitates either the uses of glitches, or allowing tradeback moves. During the new game tutorial, the game shows Nidorino's sprite but plays Nidorina's cry. The glitch is fixed in the international releases of Pokémon Red and Blue, but remained in the international releases of Pokémon Yellow. This prevents moves with 100% accuracy from missing, but does not affect the chance of hitting for moves with lower accuracy. A move used with 0 PP in this way underflows to the maximum possible value, 63 PP; due to the way the data is structured, if this occurs, a move on which 0 PP Ups had been used will gain full PP Up status, while a move on which PP Ups had been used loses one PP Up boost. User Info: pokedude7. The defender's current Defense/Special stat is 512 or 513 and the defender has used Reflect/Light Screen. After the S.S. Anne leaves the dock for the first time, it's possible to make it reappear later. The Gen 1 Miss. Moves with 100% accuracy have a 255/256 (~99.6%) chance of hitting (without accuracy nor evasion modifiers). If a Pokémon with a Substitute up hurts itself due to confusion, or due to Jump Kick's or Hi Jump Kick's side effect, damage will be dealt to the opponent's Substitute instead. The bane of speedrunners and frustrating in any playthrough, the Gen 1 Miss exists only in (as the title says) the first generation of Pokemon … All programming error in Generation I, Full Exp Data by Dabomstew - Google Sheets, TPM mart buffer overflow glitch - "Catch 'em all" glitch (Generation I) by ChickasaurusGL on Youtube, Glitch City Laboratories - Pokémon Yellow "Save Abuse" Glitch thread - post by Torchickens, Glitch City Laboratories forums - "Pokemon Red/Blue Bicycle Glitch, newly discovered?" The Great Ball is given an independent value of 8, compared to the values of the other Poké Balls being 12 when calculating Steps 5-7. If the generated number is greater than or equal to 1.5× the Pokémon's level (rounded down) or it is 0, the number is discarded and a new number generated. If the player hands over a Fossil to the scientist in Cinnabar Island's Pokémon Lab (even if they choose not the revive it), all six hidden items reappear. If the enemy uses Substitute or Minimize and the player goes to view the stats of any Pokémon and then return to the battle, the sprites will be changed. This is a list of glitches that occur in the Generation I core series Pokémon games. In Celadon Gym in Pokémon Yellow, Pikachu can also end up standing on a tree after certain battles. This glitch occurs because the Generation I engine would not store the data needed to remember that the tree had been cleared. In the game of the other player, the move used will be the last move used by the defrosted Pokémon (reset upon switching), or the first listed move if it has not used a move since switching. They must walk down to Route 12 and walk through the side of the gate rather than actually going into the gate. If the Pewter Museum guide method was used, the player cannot interact with NPCs or objects on the overworld. Secondary Effect: Effect Rate:-- % TM # Speed Priority: Pokémon Hit in Battle: None: 0 User It is possible to swap the positions of the elevator destinations in Silph Co. with the SELECT button as if they were items. The player must first perform the Fight Safari Zone Pokémon trick and try to run out of steps as the NPC in Pewter City is guiding the player to the museum. If an attack is super effective or not very effective against one type and does no damage against another type (for example, Dig against Charizard), the game will erroneously state that the attack missed. If Bide deals damage to a Pokémon under Fly or Dig, the game will reveal its sprite early. In Generations I and II, level 1 Pokémon using the "Medium Slow" growth algorithm will jump from level 1 to level 100 after gaining a low amount of experience points. NOTE: The following glitches affect all Game Boy versions of Pokémon Red and Green (1.0 and 1.1) unless noted otherwise. When glitch Pokémon have been seen on the save file, the player's Hall of Fame is badly corrupted with entirely different Pokémon, even glitch Pokémon, and very glitched characters, names and levels. The following list details the 151 Pokémon of Generation I in order of their National Pokédex number. Counter may strike back damage from an attack that isn't Normal- or Fighting-type. This glitch has become very well known and is used often in speedruns for the Generation I games. The Hooked Dragonite glitch is one of several odd effects that can occur after running out of Safari Zone steps while the NPC is guiding Red to the Pewter Museum of Science. This page was last edited on 1 January 2021, at 08:11. The "Yami shop" glitch changes the selection of items that can be bought in any Poké Mart. This is because of the limited data in the game. The hooked Dragonite is the result of changing the address $D059, wCurOpponent, and the reason controls are disabled is because they were unable to be unlocked when the battle starts with the hooked Dragonite. PP is deducted from the move the Pokémon uses in other player's game (even in its owner's game), regardless of its current PP. Lg- is also available through pPkMnp' ' (Ditto glitch Special 194) converting a Super Rod when it is the fifth item. This can also be done with other Pokémon by having them use Mimic on Transform, or use Transform directly, such as Mew. Glitch items are invalid items in the Pokémon games. This occurs if the Counter target previously used a Normal- or Fighting-type damaging move before the Counter user successfully used any damaging move during the same turn. To perform this glitch, player's Pokémon has to be bound by another Pokémon. In Pokémon Gold, Silver, and Crystal, the Japanese versions of Pokémon Red, Green, Blue, Yellow, and the Pokémon Stadium series, HP-draining moves always miss when used against a target that is behind a substitute. A Pokémon in the "Medium-Slow" growth algorithm that is withdrawn between 238 and 255 will become a Pokémon with a level between 39 and 146. If the Pokémon whose turn it is not is burned, its current Attack stat gets halved. The cursor position in hexadecimal can be checked by highlighting an item in game and checking the memory address CC35. In Pokémon Tower, if the player steps on the purified zone with a fainted Pikachu, and quickly pushes (B) and takes two steps, Pikachu will not match the player's first step until the player takes their second step and will continue to follow at a delay. A glitch similar to the Mew glitch that causes Route 6 to become glitched. Both of these variations of this glitch were fixed in some European releases of Pokémon Red and Blue, such as the Spanish version, and in all releases of Pokémon Yellow. The player's money will be reduced to 0 rather than becoming a negative number. While the player is in the perpetual spinning state, they must enter a Pokémon Center then turn on the PC while hold left, then close the PC while still holding left. They will be warped back to the Safari Zone entrance building and the background music will stop. Generation 1 RBY LC in Generation 1 is a very fast-paced metagame. This trainer won't move because she doesn't have a range at which she will walk up to the player, so she has to be battled by walking up and talking to her. Glitch name Games Exploit/nature; 2x2 block encounter glitches: Pokémon Red and Blue (English, French, German) Viridian Forest no encounter grass tiles glitch: Disable encounters. In Pokemon Ranger: Shadows of Almia, Doduo can use Agility as a field move. Therefore, the memory address D363 (current block of the player's X-position) corresponds to item position 36 (hex: 24) and the quantity of item 36 is the aforementioned warp location address. Mt. When the player's Pokémon is immobile due to being trapped by the opponent's binding move, but the opponent faints due to burn or poison, then the player's Pokémon will faint in addition to the opponent's Pokémon. Now, the player must save the game and restart. Despite the player's Pokémon fainting, it will still have full health on the Pokémon menu. This post assumes tradebacks are allowed, since mainstream RBY OU does not permit even the “safe” glitch Pokemon to be used.  Unlike the "New Game" version, entering and leaving Cycling Road doesn't fix the glitch. This glitch was fixed in Pokémon Stadium. Depending on the location, the overworld can have incorrect tilesets. In the Viridian Forest, there is a Lass whose sprite is clearly over the grass. The following list shows the towns that correspond to which overworld sprite the player will be turned into: Leaving the building or not moving will return Red's sprite back to normal. Some glitch Pokémon with unusual evolution flags may evolve this way according to the game 'after exposure to an item', which is not necessarily an Evolution stone. In the Italian Pokémon Red and Blue, there's also a word in this dialogue that overlaps the right border of the text box. This was developed simply for entertainment purposes of Pokemon fans and players.. (Japanese: ポケモンが 1ぴきも いない！). There are two minor bugs in the catch rate formula, both due to programming oversights. Listening to it in succession many times can corrupt the cry. When a burned or paralyzed Pokémon raises its Attack or Speed stat respectively with moves such as Swords Dance or Agility, the stat is recalculated in accordance with the boosted stat stage, but the status drop is not applied to it afterwards (since it's erroneously applied to the wrong Pokémon), effectively nullifying its effects. This Ditto can then be caught. If the player jumps off a cliff when Pikachu is dancing, the Pikachu's sprite will be frozen for 7–8 seconds. If it is then traded back to Pokémon Red, it will still have the move, but the game won't recognize it properly since it is a Generation II move, so it will become TM05. Please read the. If the player withdraws the Potion from the PC at the very start of their adventure (meaning before they receive their starter Pokémon) and then attempts using it, an empty Pokémon List will appear and the Potion can be used, albeit to no effect. Doing corrupts the selection of purchaseable items into allowing glitch items or normally non-purchable to be bought. The effects of this glitch are caused by a buffer overflow that occurs based on the game trying to find a path for the NPC to take in order to reach the destination. This thread is for discussion of Little Cup in Generations 1, 2 and 3. Picking up one of these six specific hidden items causes the other five hidden items to disappear. Celadon Hotel is based on the layout design of a Pokémon Center. This also applies to Pokémon using the "Medium Fast" growth algorithm for Level 255, "Fast" for Level 255, and "Slow" for Level 237. Every time a Pokémon successfully uses a move that affects a stat stage (either raising for example with Double Team, or lowering it for example with Screech) of any of the two Pokémon in battle, the following happens: This leads to three notable unintended stat-related effects: All of these issues were fixed in the Pokémon Stadium series. Going back to the shop later and buying the bike will reset the flag. For this method, the player must first get a poisoned Pokémon before entering the Safari Zone, and deposit all of their other Pokémon in the PC. Messages higher on the list take priority over those lower on the list. Since the player does not get to select a move while frozen, this can be a move of another Pokémon in the party. In English versions, swapping the first-ninth Pokémon with the tenth will cause to player to have seen and owned 152 Pokémon in the Pokédex. PP of slots without moves will not be reset to 0 when healing at a Pokémon Center; the glitch can only be repaired by repeating it 256 times, at which point the PP count will overflow to 0. From there, the player must walk 499 steps, ending at a position in the city where they can jump off a ledge with one more step. In Pokémon Stadium, the randomly generated integer is between 0 and 254 (inclusive). While a 1 agility wrap Dragonite is already OP in Gen 1 OU, this bug pushes the limits. If a Pokémon is in a critical health status, the game will start to play a sound to let the player know their Pokémon is low on health and about to possibly faint. This glitch was fixed in the Japanese version of Pokémon Yellow and in the localizations. It applies to both the original Game Boy and the 3DS Virtual Console releases unless otherwise noted. If the player battles a trainer while standing on water, they will be unable to move in any direction without the use of Surf after the battle. As the index number of Pallet Town is 0, the player can access 255 locations by tossing the 36th item (as tossing one ×0 item causes an underflow to 255). The music will then fade out, then at this point the player should select "Buy". All except for ----- can only be seen with a cheating device. Agility is a Psychic-type move introduced in Generation I. This prevents moves with 100% accuracy from missing, but also slightly increases the probability of lower accuracy moves of hitting. Mew turning into Ditto was not an issue, because wild Mew could not have been legitimately encountered. Most of these variables are reset back to their default value if a new game is loaded but not the WRAM address D732 (possibly due to an oversight by the game developers).