Gradius (Bubble System)
ARCADE

Gradius (Bubble System)

Gradius (Bubble System) is an arcade game that was released in 1985 by Konami. This classic shooter quickly became a sensation in the arcade scene and has since gained a cult following. The game is set in a science - fiction universe where players take control of a spaceship, the Vic Viper, and embark on a mission to defeat a series of alien forces. The gameplay is centered around flying through various levels filled with enemy ships, obstacles, and bosses. One of the unique features of Gradius is the power - up system. As players progress through the levels, they can collect power - ups that enhance the Vic Viper's weapons and abilities. These power - ups include options that can be deployed to attack enemies from different angles, as well as upgrades to the main weapon. The game's levels are diverse, each with its own distinct theme and set of challenges. From space stations to underwater environments, Gradius offers a wide range of settings that keep the gameplay fresh. The graphics

No download required
Save states supported
Works on mobile & desktop

The emulator loads after you press Start Game.

How to Play Gradius (Bubble System)

Move
WASD
ABAction
JK
XYShoulder
L;
STStart/Select
21

Save & Load States

  • F2Press F2 to save your current game state at any time.
  • F4Press F4 to load your last saved state.
  • F3Use F3 to switch between save slots.

Save states are stored locally in your browser. They persist across sessions but are cleared if you clear browser data.

Customize Controls

Click the gear icon on the emulator toolbar → "Controls" to remap keys.

Move
WASD
Action
JK|L;
System
2 Start1 Select
Save
F2SaveF4LoadF3Slot

Default layout for ARCADE. Remap in emulator settings.

About Gradius (Bubble System)

Gradius (Bubble System) is a classic ARCADE game you can play online for free in your browser. No download or installation is required — click "Play Now" to start instantly. Relive the experience of vintage console gaming with authentic gameplay, right in your browser on any device.

This title is part of the PLAYERETRO game collection, which features over 1000 classic titles across multiple systems. Use the keyboard controls shown above to move and interact. Save your progress with save states and enjoy Gradius (Bubble System) anytime, anywhere.

Gradius (Bubble System) is a 1985 arcade shooter by Konami. Control the Vic Viper, collect power - ups, and battle alien forces in diverse levels. A classic arcade game with fast - paced action and st

Game Guide

Gradius (Bubble System) is a challenging arcade shooter, and here are some tips to help you succeed. First, understand the power - up system. The power - ups in Gradius are crucial for your success. When you start the game, your Vic Viper has a basic weapon. As you progress, you'll encounter power - up icons. The most important power - up is the 'Option'. Collecting this will summon an additional ship that attacks alongside you. Try to get as many Options as possible as they significantly increase your firepower. Another key power - up is the 'Double Shot', which doubles the strength of your main weapon. You can also get upgrades to your main weapon, such as the 'Laser' or 'Spread'. When it comes to navigation, pay close attention to the level layout. Some levels have narrow passages, and you need to be careful not to crash into the walls. Use the power - ups strategically. For example, when facing a tough boss, activate your strongest weapons and Options. Timing is also important. Wait for the right moment to use your power - ups, especially when dealing with groups of enemies or powerful bosses. In terms of boss battles, study the boss's attack patterns. Each boss has a unique way of attacking, and by observing them, you can find the best way to dodge their attacks and land hits. Keep moving during boss battles. Standing still makes you an easy target. Use the power - ups you've collected to deal maximum damage to the bosses. Don't forget to collect extra lives when you can. Extra lives can be a lifesaver in this challenging game. Finally, practice makes perfect. The more you play Gradius, the better you'll get at understanding the game mechanics and making the most of your power - ups.