Cryzen io description

Cryzen io — Play for free at

Monstermaster io is an exciting fantasy RPG where you train pets with guns! Dive into thrilling battles and evolve your team to become the ultimate trainer in this fantasy realm of io games!

How to play

In Monstermaster io, engage in battles to tame pets and level up your characters. Strategically build your team from a variety of creatures and customize them through fusion. Mold your pets into champions to dominate the fantasy realm. Beware of defeated players' ghosts adding an extra challenge!


  • W: Move Forward
  • S: Move Backward
  • A: Move Left
  • D: Move Right
  • Space Bar: Jump
  • Hold C: Crouch
  • Hold Shift: Silent Walking
  • Enter: Chat
  • Tab: Players List
  • Escape: Settings/Exit
  • Left Mouse Button: Shoot
  • Right Mouse Button: Scope


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