Osomatsu-kun Hachamecha Gekijou
Osomatsu-kun Hachamecha Gekijou stands as a defining action title on the Sega Genesis. With polished gameplay mechanics and memorable level design, this classic delivers an experience that has stood the test of time.
- Developer
- SEGA
- Released
- 1988
- Platform
- Mega Drive
- Genre
- Action
- Players
- 1P
- Rating
- 4.6 / 5 (716)
- Last updated
Osomatsu-kun Hachamecha Gekijou Controls — Mega Drive Keyboard Keys
Default keyboard bindings for Osomatsu-kun Hachamecha Gekijou on our in-browser Mega Drive emulator. Plug in a USB or Bluetooth gamepad to auto-detect mappings, or rebind any key from the emulator settings menu.
| Keyboard | Console button | Typical use |
|---|---|---|
| ↑ | D-Pad Up | Move up |
| ↓ | D-Pad Down | Move down |
| ← | D-Pad Left | Move left |
| → | D-Pad Right | Move right |
| X | A | Primary action (jump / confirm) |
| Z | B | Secondary action (attack / cancel) |
| S | C | Tertiary action |
| A | X | Quaternary action |
| Q | Y | Fifth button |
| W | Z | Sixth button |
| Enter | Start | Start / Pause |
These bindings cover the 6-button Mega Drive controller. Most older titles only use buttons A/B/C; the extra X/Y/Z buttons matter for Street Fighter II and other 6-button fighters.
Rebind any key from the EmulatorJS in-game settings menu (gear icon → Controls). A connected gamepad auto-maps to the same buttons.
Osomatsu-kun Hachamecha Gekijou Longplay & Gameplay Videos
Watch a full playthrough of Osomatsu-kun Hachamecha Gekijou on Mega Drive before you dive in — recommended for getting a feel for the game's pacing, story beats, and difficulty curve.
Watch longplay on YouTube
"Osomatsu-kun Hachamecha Gekijou" Mega Drive longplay 1988
Osomatsu-kun Hachamecha Gekijou Cheat Codes
5 community-curated cheats for Osomatsu-kun Hachamecha Gekijou. Tick any to activate them automatically when you click "Play with cheats" — or copy a code into your own emulator.
-
Infinite Lives
AB0A-AACAFFB120:0005 -
Infinite Energy
RGAA-A6TN -
Invincibility
BKZT-AA8W -
Infinite Money
FFB126:9999 -
1 Shot Kill Enemies/Bosses
ALAA-AA4G
External references
Frequently Asked Questions
When was Osomatsu-kun Hachamecha Gekijou released?
Osomatsu-kun Hachamecha Gekijou was released in 1988 for the Mega Drive.
Who developed Osomatsu-kun Hachamecha Gekijou?
Osomatsu-kun Hachamecha Gekijou was developed by SEGA, available to play in your browser on RetroGameSpace.
How many players does Osomatsu-kun Hachamecha Gekijou support?
Osomatsu-kun Hachamecha Gekijou is a single-player Action game for the Mega Drive.
What type of game is Osomatsu-kun Hachamecha Gekijou?
Osomatsu-kun Hachamecha Gekijou is a Action game for the Mega Drive, playable instantly in your browser — no downloads, no installs.
How can I play Osomatsu-kun Hachamecha Gekijou for free?
Open this page and click "Play Now" — Osomatsu-kun Hachamecha Gekijou runs free in your browser via WebAssembly emulation. No account, no payment, no installer.
Do I need to download anything to play Osomatsu-kun Hachamecha Gekijou in the browser?
No. Osomatsu-kun Hachamecha Gekijou streams from a public archive into a browser-side Mega Drive emulator. Nothing is installed on your computer.
Can I save my progress in Osomatsu-kun Hachamecha Gekijou?
Yes. Save states are stored in your browser (IndexedDB) per game, and you can also use any in-game save the original Mega Drive cartridge supported.
Does Osomatsu-kun Hachamecha Gekijou work on mobile devices?
Yes — the Mega Drive emulator runs on iOS Safari and Android Chrome. Touch controls overlay the game; landscape mode is recommended.
Is it legal to play Osomatsu-kun Hachamecha Gekijou this way?
RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Osomatsu-kun Hachamecha Gekijou. Game files are fetched on demand from publicly-accessible archives. You are responsible for compliance with your local laws and the bring-your-own-ROM principle.
