Deja Boom

Play Deja Boom Online – Action Platformer with Ghost Clones

Deja Boom is a unique browser-based action platform game where every mistake becomes part of your progress. Instead of resetting after defeat, the game creates a “ghost” of your past self that replays your previous moves. With each respawn, another clone joins you, turning failure into strategy. Play Deja Boom free online on PlayMiniGames and experience a platformer like no other!

Unique Gameplay Mechanic

In most action games, a mistake means starting over. In Deja Boom, every attempt creates a ghost ally that repeats your past actions. The more you play, the more clones you gather, giving you backup in tough battles and making teamwork with your past selves the key to victory.

How to Play Deja Boom

• WASD – Move
• Space – Jump
• LMB – Shoot
• RMB / G – Throw weapon
• R – Respawn to create a ghost version of yourself

Experiment with different approaches, combine your clones’ actions, and push through levels with creative strategies.

Features of Deja Boom

• Innovative ghost mechanic – past mistakes become allies.
• Fast-paced action mixed with platforming challenges.
• Strategic gameplay – plan moves for future clones.
• Browser-based – play instantly with no downloads.
• Originally created for GMTK Game Jam, refined for Madness Day 2025.

Why Play Deja Boom?

Deja Boom flips the idea of trial and error into a core feature. Instead of punishing mistakes, the game rewards persistence by turning every failed attempt into a powerful clone ally. This makes it one of the most creative platform shooters you can enjoy online.

FAQ

What is Deja Boom?

Deja Boom is a free browser action platformer where every respawn creates a ghost clone of your past self that helps you progress through levels.

How do ghost clones work?

Each time you respawn, your past moves are repeated by a ghost version of your character. Over time, multiple clones assist you in combat and puzzles.

Is Deja Boom free to play?

Yes, Deja Boom is completely free to play online on PlayMiniGames without downloads or installation.

Who developed Deja Boom?

It was created by Picster, Sam, Guy, Perfoon, Cameron Paxton, and SupaBubba for the GMTK Game Jam and later refined for Madness Day 2025.

What are the controls in Deja Boom?

Use WASD to move, Space to jump, LMB to shoot, RMB or G to throw weapons, and R to respawn and create a ghost clone.