Screenshots
One + Two
One + Two is a 1997 arcade action game developed by Barko. Players control a character navigating stages filled with enemies, working through each level by defeating opponents and overcoming obstacles. The game follows a straightforward structure where progression depends on clearing enemies from each area before advancing. Controls are typical of arcade action titles, using a joystick and buttons to move, attack, and defend. The arcade cabinet format means sessions are designed to be challenging enough to encourage repeated play. Barko positioned One + Two as a coin-op experience with increasing difficulty across its stages, requiring players to manage health and positioning carefully while dealing with waves of enemies throughout each level.
- Developer
- Barko
- Released
- 1997
- Platform
- Arcade
- Genre
- Action
- Rating
- 4.4 / 5 (3.6K)
- Last updated
One + Two Controls — Arcade Keyboard Keys
Default keyboard bindings for One + Two on our in-browser Arcade 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 |
|---|---|---|
| ↑ | Joystick Up | Move up |
| ↓ | Joystick Down | Move down |
| ← | Joystick Left | Move left |
| → | Joystick Right | Move right |
| X | Button 1 | Primary action (jump / confirm) |
| Z | Button 2 | Secondary action (attack / cancel) |
| S | Button 3 | Tertiary action |
| A | Button 4 | Quaternary action |
| Q | Button 5 | Fifth button |
| W | Button 6 | Sixth button |
| 5 | Insert Coin | Insert coin |
| 1 | 1P Start | Start / Pause |
Coin and Start are convention "Insert Coin: 5" and "1P Start: 1". Some arcade boards expect specific button mappings — check the in-game prompts on coin-up.
Rebind any key from the EmulatorJS in-game settings menu (gear icon → Controls). A connected gamepad auto-maps to the same buttons.
One + Two Longplay & Gameplay Videos
Watch a full playthrough of One + Two on Arcade before you dive in — recommended for getting a feel for the game's pacing, story beats, and difficulty curve.
Watch longplay on YouTube
"One + Two" Arcade longplay 1997
External references
Frequently Asked Questions
When was One + Two released?
One + Two was released in 1997 for the Arcade.
Who developed One + Two?
One + Two was developed by Barko, available to play in your browser on RetroGameSpace.
What type of game is One + Two?
One + Two is a Action game for the Arcade, playable instantly in your browser — no downloads, no installs.
How can I play One + Two for free?
Open this page and click "Play Now" — One + Two runs free in your browser via WebAssembly emulation. No account, no payment, no installer.
Do I need to download anything to play One + Two in the browser?
No. One + Two streams from a public archive into a browser-side Arcade emulator. Nothing is installed on your computer.
Can I save my progress in One + Two?
Yes. Save states are stored in your browser (IndexedDB) per game, and you can also use any in-game save the original Arcade cartridge supported.
Does One + Two work on mobile devices?
Yes — the Arcade emulator runs on iOS Safari and Android Chrome. Touch controls overlay the game; landscape mode is recommended.
Is it legal to play One + Two this way?
RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of One + Two. 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.