Last updated: Sep 25, 2025
Game Bub handheld gaming device.
Photo: Second Bedroom via Crowd Supply

Game Bub

(open-source/unbranded)
Released: Upcoming: Feb 1, 2026|Price: ~$249

Summary Highlights

Chipset:AMD (Xilinx) Artix-7 XC7A100T + ESP32-S3
GPU:N/A
Display:IPS LCD, 720 x 480, 3:2
Battery:3000 mAh, 14 - 18 hours
Storage:microSD
RAM:0 GB
OS:Linux (Various)
Form Factor:Horizontal

Supported Systems

NES
Plays original games:Gameboy Advance
SNES
PlayStation
Nintendo DS
Nintendo 64
Sega Saturn
Dreamcast
PlayStation Portable
GameCube
PlayStation 2
Nintendo Wii
Nintendo 3DS
PlayStation 3
Wii U
Switch
Modern

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✅ Pros

  • Open-Source Hardware
  • Plays Cartridges
  • 14+ Hour Battery

❌ Cons

  • Dock Required For TV
  • Limited To GB/GBC/GBA
  • No Analog Sticks

Detailed Specs

Controls & Input
Supported Buttons/Features
L1 R1L2 R2Analog StickHall EffectTouch ScreenGyroscopeL3 R3Volume ButtonsAnalog Triggers
D-Pad PlacementLeft
Thumbstick LayoutN/A
Shoulder ButtonsNone
Display & Audio
Screen Size4"
Screen TypeIPS LCD
Refresh Rate60Hz
Resolution720 x 480
Aspect Ratio3:2
Pixel Density216 PPI
Speaker PlacementFront
Speaker TypeStereo
Audio JackYes
Ports & Connectivity
Wireless
WifiBluetoothMobile Data
Physical Ports
Usb CMicroSD CardVideo Out
OS & Software
Base OSLinux (Various)
Custom OS Support
None
Battery & Power
Battery Life14-18 hrs
Capacity3000 mAh
Charging PortBottom
Charging MethodUSB Type-C
Body & Build
Form FactorHorizontal
MaterialTransparent Plastic
Weight250 g
Dimensions (W x H x D)174 x 85 x 19 mm
Color VariantsTransparent, Transparent Purple
Release DateUpcoming: Feb 1, 2026
Hardware Specifications
CPU ModelFPGA cores + ESP32-S3
ArchitectureFPGA
ChipsetAMD (Xilinx) Artix-7 XC7A100T + ESP32-S3
GPUN/A
RAM Size0 GB
RAM TypeSDRAM
Internal StoragemicroSD
Storage ExpansionMicroSD
CPU ClockN/A
CPU Cores1
CPU ThreadsN/A
GPU ClockN/A