Generation I/Comparison/In-battle Bugs


 * and used the same damage counter, allowing Leech Seed to drain twice as much damage when a Pokémon was affected by both at the same time.
 * Due to a glitch, and  cut the user's critical hit ratio by 75% instead of doubling it.
 * Using or Swords Dance while  or ed, respectively, would negate the status impairments from those effects and then double the enhanced stat.
 * If knocked out a Pokémon or destroyed a, the user would not need to recharge on the succeeding turn.
 * and did not make the user faint if they destroyed a Substitute.
 * Although removed status conditions, it would not alleviate the stat debuffs caused by a burn or paralysis.
 * Overusing stat increases would eventually cause the boosted stats to roll over to maximally decreased stats.
 * If a user was hit with a status move before its attacking turn, the damage dealt would equal that of the last attack used against it.
 * If a Pokémon's HP was 255 or 511 (or any number multiple of 256) points below its maximum, HP recovery moves like and  . This is because the game only checks the low byte of the 16-bit value.