
Donkey Kong Junior (Japan)
Donkey Kong Junior (Japan) is a 1982 classic arcade platformer developed and published by Nintendo, serving as the direct sequel to the groundbreaking 1981 Donkey Kong title. Unlike the original game where Mario (then known as Jumpman) rescued Pauline from the captive Donkey Kong, this entry flips the core narrative: Mario has locked Donkey Kong in a reinforced metal cage as revenge for his earlier kidnapping spree, and players take control of Donkey Kong Jr, the titular ape’s energetic teenage son, on a cross-stage mission to free his father. The Japanese arcade release features subtle, fan-favorite differences from its Western counterparts, including slightly adjusted enemy spawn patterns, a softer difficulty curve for the first two levels, and unique audio and sprite tweaks that were modified for international markets. Across four distinct, progressively challenging levels, Jr must navigate vine-covered jungle canopies, electrified construction zones, and floating platform mazes, av

The emulator loads after you press Start Game.
How to Play Donkey Kong Junior (Japan)
Save & Load States
- F2Press F2 to save your current game state at any time.
- F4Press F4 to load your last saved state.
- F3Use F3 to switch between save slots.
Save states are stored locally in your browser. They persist across sessions but are cleared if you clear browser data.
Customize Controls
Click the gear icon on the emulator toolbar → "Controls" to remap keys.
Default layout for ARCADE. Remap in emulator settings.
About Donkey Kong Junior (Japan)
Donkey Kong Junior (Japan) is a classic ARCADE game you can play online for free in your browser. No download or installation is required — click "Play Now" to start instantly. Relive the experience of vintage console gaming with authentic gameplay, right in your browser on any device.
This title is part of the PLAYERETRO game collection, which features over 1000 classic titles across multiple systems. Use the keyboard controls shown above to move and interact. Save your progress with save states and enjoy Donkey Kong Junior (Japan) anytime, anywhere.
Play the original 1982 Japanese arcade version of Donkey Kong Junior for free on PLAYERETRO. Help Donkey Kong Jr rescue his father from Mario in this iconic retro Nintendo platformer.