: Many stages are modified with fewer power-ups, narrower platforms, and more enemies to encourage coin insertion in its original arcade setting. "The Lost Levels" Integration

: In the Arcade Archives version, using a continue sends you back to the first level of your current world (e.g., dying on 6-4 returns you to 6-1), whereas the NES version originally required a hidden button code to continue. Visual and Technical Differences Palette Changes

: Hidden 1-UP mushrooms are extremely rare, with only four found throughout the entire game. Visual Tweaks

Hamster Corporation Status: Currently Available on eShop

available on the Nintendo eShop is the intended difficulty and level composition. While the eShop's standard version (typically through Nintendo Switch Online) is a faithful port of the 1985 NES original, the Arcade Archives version is based on the 1986 "Vs. System" arcade cabinet designed to be significantly harder to encourage more coin insertion. Core Gameplay & Difficulty Adjustments