Nemesis (ROM version)
ARCADE

Nemesis (ROM version)

Nemesis, also known as Gradius in some regions, is a classic arcade game released in 1985 by Konami. This game belongs to the shoot - em - up genre and has left an indelible mark on the history of video games. In Nemesis, players take control of a spaceship and are tasked with navigating through a series of challenging levels filled with enemy ships, obstacles, and bosses. The game's graphics were quite advanced for its time, featuring detailed sprites of spaceships and various enemies. The background scenery also added to the immersive experience, with different themes for each level. The gameplay is fast - paced and requires quick reflexes. Players can fire lasers and collect power - ups along the way. These power - ups can enhance the ship's weapons, giving it more firepower to take down enemies. For example, the 'Option' power - up allows the ship to have additional firepower at different angles. The bosses in Nemesis are particularly memorable. Each boss has a unique design and at

No download required
Save states supported
Works on mobile & desktop

The emulator loads after you press Start Game.

How to Play Nemesis (ROM version)

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 Nemesis (ROM version)

Nemesis (ROM version) 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 Nemesis (ROM version) anytime, anywhere.

Nemesis, an arcade game released by Konami in 1985, is a classic shoot - em - up. Navigate through challenging levels, collect power - ups, and defeat unique bosses in this fast - paced game.

Game Guide

Playing Nemesis requires a combination of skill, strategy, and quick reflexes. Here are some tips to help you navigate through the game. First, it's important to understand the basic controls. Use the joystick to move your spaceship in all directions - up, down, left, and right. Press the fire button to shoot lasers at the enemies. As you progress through the levels, you'll encounter various power - ups. The most important one is the 'Option' power - up. When you collect it, it will give you an additional weapon that can fire independently at different angles. Try to collect as many Option power - ups as possible to increase your firepower. Another useful power - up is the 'Double' power - up, which doubles the strength of your main laser. When facing bosses, take your time to study their attack patterns. Most bosses have a set sequence of attacks, and once you figure it out, you can dodge their attacks more easily. For example, some bosses may fire a series of lasers in a circular pattern. You can move your ship to the gaps between the lasers to avoid getting hit. In addition, make sure to use the power - ups strategically. Save the more powerful power - ups for when you're facing tough enemies or bosses. Also, keep an eye on your ship's health. If you get hit too many times, you'll lose a life. Try to stay in the middle of the screen as much as possible, as this gives you more room to maneuver and avoid enemy fire. Finally, practice makes perfect. The more you play Nemesis, the better you'll get at predicting enemy movements and using your power - ups effectively.