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Play Altered Beast: Guardian of the Realms (US edition) Online
Altered Beast: Guardian of the Realms
Play Altered Beast: Guardian of the Realms online and brawl through GBA realms, collecting Spirit Balls to transform into multiple beasts and defeat bosses.
Browser play
Game Boy Advance (GBA) — EmulatorJS controls
Default Player 1 keyboard mapping. Change keys in Controller Settings.
| Console button | Keyboard |
|---|---|
| ↑ / ↓ / ← / → | ↑ / ↓ / ← / → |
| A / B | Z / X |
| L / R | Q / E |
| START / SELECT | Enter / V |
Open Controller Settings to configure your keyboard or gamepad. Touch controls are available on mobile.
How to Play Altered Beast: Guardian of the Realms
Quick start
Start a game and enter Crete. Move right through the warm-up stage, collecting all three Spirit Balls from Spirit Suckers so Antonius reaches Canis form before the boss. Use punches while learning spacing; at the Undead Legionnaire, attack the three segmented pillars rather than the boss itself.
Controls
D-Pad: menu navigation, move/crouch and modify attacks; A: kick (Up+A high, Down+A upward kick); B: punch (Up+B uppercut, Down+B low punch); L or R: jump/super jump; START: confirm/pause; SELECT: unused. Options can swap A/B attack assignments.
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 · gba
- 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.