Vs. Seeker appears in 12 version groups since Generation III, a Gameplay item in the Key Items pocket
PokéAPI item 420 of 2,223, Gameplay category, Key Items pocket
Effect, in PokéAPI's words
Vs. Seeker: “Allows rebattling of on-screen trainers. 100 steps to recharge.”
Reveals trainers who want a rematch, by showing .. over their heads. Each use drains the battery; requires 100 steps to charge.
Games
Vs. Seeker is listed in the text of 12 version groups, first in Generation III
Game index by generation
IIIIIIIVVVIVIIVIIIIX
Named in
EmeraldFireRed and LeafGreenDiamond and PearlPlatinumHeartGold and SoulSilverBlack and WhiteBlack 2 and White 2X and YSun and MoonUltra Sun and Ultra MoonLet's Go Pikachu and Let's Go EeveeSword and Shield