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Play Gunstar Heroes (Japan edition) Online
Gunstar Heroes
Play Gunstar Heroes online on Game Gear. Choose a shooting style and opening stage, collect weapons and hearts, and fight through the empire as Red.
Browser play

Sega Game Gear — EmulatorJS controls
Default Player 1 keyboard mapping. Change keys in Controller Settings.
| Console button | Keyboard |
|---|---|
| ↑ / ↓ / ← / → | ↑ / ↓ / ← / → |
| 1 / 2 | X / Z |
| START | Enter |
Open Controller Settings to configure your keyboard or gamepad. Touch controls are available on mobile.
How to Play Gunstar Heroes
Quick start
Press START at the title, choose START in the mode menu and confirm. Select Free Shot for firing while moving, choose a weapon, then choose an opening stage; selection screens confirm with 2. Use 1 to shoot and 2 to jump. Stand on a dropped heart or weapon and press down + 1 to pick it up.
Controls
Default layout: D-pad moves and aims, down crouches; 1 shoots or throws a nearby enemy, 2 jumps. Down + 1 picks up a grounded weapon or heart. Up while jumping can catch suitable overhead supports; up + 2 climbs from a hanging position. Tap START for weapon selection; hold START to pause. The options include button configuration.
Gunstar Heroes — About this game
Gunstar Heroes puts Red in a side-scrolling fight against the empire’s forces. Before setting off, you choose a shooting style, a weapon and one of three opening stages. Free Shot allows movement while firing, whereas Fixed Shot anchors Red for aiming, so that first decision changes how you approach enemies. Running, jumping, hanging from overhead supports and close-range throws give the action more options than firing straight ahead. Hearts and weapons on the ground must be picked up, making safe positioning important even when a useful item is nearby. Watch the vitality display during sustained fights and avoid being trapped against a screen edge. Learn one route with a familiar weapon first, then revisit the other stage choices and practise changing weapons without confusing a short START press with a pause.
Gunstar Heroes Game manuals
Cheats
No cheats have been added for this edition.
Player verification and sources
Browser play was reviewed before this edition was published in the catalogue. The date below is the catalogue publication date, not the game’s original release date.
- Browser test and catalogue publication date
- Browsers and devices
- PC: Chrome, Edge and Firefox. Mobile: Chrome on Android and Safari on iPhone and iPad.
- Player engine and core
- EmulatorJS 4.3.0-pre · segaGG
- Tested by
- rwEmulator
Sources and editorial basis
rwEmulator reviews edition metadata, release information, game manuals and first-hand browser-play notes. Available manuals are linked below; the editorial policy explains how facts are checked and corrections are handled.