ESRB reveals rating and extra details for Punch Out Wii | VG247
Mike Tyson's Punch-Out!! — StrategyWiki, the video game walkthrough and strategy guide wiki
Punch-Out Walkthrough - GameSpot
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Punch-Out Walkthrough - GameSpot
Super Punch-Out!! Golden Guide for Super Nintendo and SNES Classic: includes all fight-infos, videolinks, walkthrough, cheats, tips, strategy and link to instruction manual (Golden Guides Book 4) - Kindle edition by Fox.