Demo for beta version of GB Tamer, a virtual pet simulator designed for Gameboy by HerrinAve! Download the rom or play it in your browser (mobile friendly!).


  • arrows = control pad
  • z = A
  • x = B
  • enter = START
  • shift = SELECT

Key Features:

  • Raise Your Pet
    • Spend time with your pet training, fighting, or just playing games! Pets require food, sleep, and attention - How you hang out is completely up to you.
  • Train and Battle
    • Increase stats through specific training exercises, and ultimately send your pet to battle to and unlock new maps.
  • Play Mini-games
    • Play games like Runner and Space to win coins depending on your performance, or try Dice Battle and Slots if you're feeling lucky!
    • Spend coins on furniture to decorate your pet's space.
  • Evolve
    • Your pet grows older with each activity... Spend enough time fighting, training, gaming, or just hanging out, and your pet might change form!

Future Features:

  • More Original Music
  • More Battle Maps
  • More Mini-games
  • More Evolutions
  • All original assets (currently borrowing from... "competitor" franchises)

Hey there, I'm HerrinAve! I'm a passion project dev who grew up playing Gameboy and now to spend my free time creating for the console that started it all. Feel free to let me know how I can improve, remove, revise, or just say hi :)


Download NowName your own price

Click download now to get access to the following files:

GBT4.6 (demo).gb 512 kB

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