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Mr. Do!
Mr. Do! is a 2-player action game developed by Universal and released in 1995 for the Super Nintendo Entertainment System. Players control Mr. Do, an underground adventurer who must navigate maze-like caverns while collecting items and avoiding enemies. The core gameplay revolves around digging tunnels through the terrain to reach treasures and progress through levels. Each stage presents increasingly challenging enemy patterns and layout designs. The game features responsive controls using the directional pad for movement and buttons for digging actions. Players can collect various power-ups scattered throughout levels to gain temporary advantages. The two-player simultaneous mode allows friends to cooperate or compete as they work through the game's stages. With its combination of exploration, action-oriented combat, and strategic tunnel-digging mechanics, Mr. Do! offers straightforward arcade-style entertainment on home console hardware.
- Developer
- Universal
- Released
- 1995
- Platform
- SNES
- Genre
- Action
- Players
- 2P
- Rating
- 4.8 / 5 (2.5K)
- Last updated
Mr. Do! Controls — SNES Keyboard Keys
Default keyboard bindings for Mr. Do! on our in-browser SNES 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 | X | Tertiary action |
| A | Y | Quaternary action |
| Q | L | Left shoulder |
| W | R | Right shoulder |
| Enter | Start | Start / Pause |
| Shift | Select | Select / Mode |
Rebind any key from the EmulatorJS in-game settings menu (gear icon → Controls). A connected gamepad auto-maps to the same buttons.
Mr. Do! Longplay & Gameplay Videos
Watch a full playthrough of Mr. Do! on SNES before you dive in — recommended for getting a feel for the game's pacing, story beats, and difficulty curve.
Watch longplay on YouTube
"Mr. Do!" SNES longplay 1995
Mr. Do! Cheat Codes
6 community-curated cheats for Mr. Do!. Tick any to activate them automatically when you click "Play with cheats" — or copy a code into your own emulator.
-
Infinite Lives
7E18B20989BC-04AC -
2 Enemies On Screen At Most
7E144000 -
Level Modifier [Level Is Always 1 Less Than Entered]
7E189E00+7E18A000+7E18B400 -
Level Modifier (Level Is Always 1 Less Than Entered Number)
7E189E00+7E18A000+7E18B4007E189E??+7E18A0??+7E18B4?? -
Invincibility
6D36-A70B -
Get One Cherry to Clear Level
BAC2-D40B
External references
Frequently Asked Questions
When was Mr. Do! released?
Mr. Do! was released in 1995 for the SNES.
Who developed Mr. Do!?
Mr. Do! was developed by Universal, available to play in your browser on RetroGameSpace.
How many players does Mr. Do! support?
Mr. Do! supports up to 2 players, ideal for couch co-op or competitive sessions on the SNES.
What type of game is Mr. Do!?
Mr. Do! is a Action game for the SNES, playable instantly in your browser — no downloads, no installs.
How can I play Mr. Do! for free?
Open this page and click "Play Now" — Mr. Do! runs free in your browser via WebAssembly emulation. No account, no payment, no installer.
Do I need to download anything to play Mr. Do! in the browser?
No. Mr. Do! streams from a public archive into a browser-side SNES emulator. Nothing is installed on your computer.
Can I save my progress in Mr. Do!?
Yes. Save states are stored in your browser (IndexedDB) per game, and you can also use any in-game save the original SNES cartridge supported.
Does Mr. Do! work on mobile devices?
Yes — the SNES emulator runs on iOS Safari and Android Chrome. Touch controls overlay the game; landscape mode is recommended.
Is it legal to play Mr. Do! this way?
RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Mr. Do!. 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.
