Browser play guide

How to play Mega Man X4 in your browser (PS1)

By RetroHours · Updated

Game by Capcom

On this page

To play Mega Man X4 in your browser, copy your PS1 disc as CUE/BIN, put the files in one ZIP and add it to RetroHours. Choose Play Now and the game starts straight from the disc, with no BIOS or emulator to set up.

The US, European and Japanese (Rockman X4) releases all work, including cutscenes, music and memory card saves.

About Mega Man X4

Mega Man X4 came out on the PlayStation in 1997. It was the first game in the series to let you play the whole story as either X or Zero, each with his own moves, cutscenes and ending. The eight Mavericks are Web Spider, Split Mushroom, Cyber Peacock, Storm Owl, Magma Dragoon, Frost Walrus, Jet Stingray and Slash Beast.

No disc? Capcom also sells Mega Man X4 in Mega Man X Legacy Collection for modern consoles and PC.

Copy your disc and make the ZIP

  1. Copy the disc as BIN/CUE with a disc copying program. The PS1 setup guide lists tools that work.
  2. Check that you have a .cue file and its .bin file or files, for example Mega Man X4.cue and Mega Man X4.bin.
  3. Compress them together into one ZIP. Don’t rename the BIN files afterwards.

Add the game and start

  1. Open Add a game, select Choose ZIP and pick your ZIP.
  2. When the copy finishes, choose Play Now on the game page. PS1 games don’t need approval.
  3. Select Start game, then click the game screen.
  4. At the title screen, press Enter (Start) and choose X or Zero.

Controls

RetroHours passes your keys to the PS1 controller buttons:

PS1 buttonKeyboard
D-padArrow keys
CrossZ
CircleX
SquareA
TriangleS
L1 / R1Q / W
L2 / R2E / R
StartEnter
SelectSpace

To use different keys, open Controls → Buttons and change the Keyboard column. On a controller, buttons match the PS1 layout by position, so the bottom face button is Cross. The PS1 controls guide has the details.

Keep your save safe

Save from the game’s menus as usual; RetroHours keeps the game’s memory card in this browser. Before closing the tab, stop the session with the player’s controls so the card is written.

Download a backup from Saves once in a while. Coming from another emulator? Import your memory card file there and choose Restore. The memory card guide walks through it.

If something goes wrong

  • The import says it isn’t a game: make sure the ZIP has the .cue and every .bin it lists, from one disc.
  • Music or cutscenes are missing: the copy is probably incomplete. Make a new BIN/CUE copy.
  • Keys do nothing: click the game screen first.

More Mega Man X on PS1

Common questions

Can I play Mega Man X4 in a browser?
Yes. Add a ZIP of a CUE/BIN copy of your disc to RetroHours and choose Play Now. It runs in a modern browser on Windows, Mac, Linux and Chromebook.
Do I need a PS1 BIOS for Mega Man X4?
No. RetroHours has its own PS1 system software, so you never need a BIOS file.
Does the Japanese Rockman X4 work?
Yes. Japanese text displays correctly.
Can I play as Zero in Mega Man X4?
Yes. Choose X or Zero when you start a new game. Each has his own story.

Credits

Mega Man X4 is by Capcom. Mega Man and its characters belong to Capcom. PlayStation is a trademark of Sony Interactive Entertainment. RetroHours is an independent browser player and is not affiliated with or endorsed by either company.