2019 •Sega Genesis
A ROM hack/mod for Sonic the Hedgehog which changes Sonic for Shadow the Hedgehog. Although a previous mod with the same purpose exists, this one adds...
GamePi20 by WaveShare, Horizontal retro handheld, running Linux (RetroPie), powered by Broadcom BCM2835 (Raspberry Pi Zero WH), with a 2.0 inch display, priced...
Marketplace rows use affiliate-friendly links where available. Average price stays based on the console database, not live per-store pricing.
| Store | Price |
|---|---|
|
WaveShare
Generated from spreadsheet vendor label
|
$30 + Pi + Battery (DIY) $60 + Battery (Pre-built) |
|
Aliexpress
Imported from spreadsheet hyperlink
|
$30 + Pi + Battery (DIY) $60 + Battery (Pre-built) |
|
Amazon
Generated from spreadsheet vendor label
|
$30 + Pi + Battery (DIY) $60 + Battery (Pre-built) |
Affiliate disclosure and terms are linked in the footer.
Budget shortlist candidate
GamePi20 from WaveShare is the kind of retro handheld that makes sense only once you stop reading the spec sheet like a trophy case and start reading it like a buyer.
GamePi20 looks most interesting when you treat it as a specific answer to a specific kind of retro player, not as a mythical one-device-for-everyone machine.
Before the review gets opinionated, here is the clean spec picture. This table is the reality check that keeps the rest of the write-up grounded.
| Category | Details |
|---|---|
| Brand | WaveShare |
| Release | 2019 / 08 |
| Form factor | Horizontal |
| Operating system | Linux (RetroPie) |
| Overall performance | ⭐️⭐️⭐️ |
| SoC | Broadcom BCM2835 (Raspberry Pi Zero WH) |
| CPU | ARM1176JZF-S, 1 Core, and 1.0 GHz |
| GPU | Broadcom VideoCore IV and 250 MHz |
| RAM | 512 MB DDR |
| Display | 2.0 inch, IPS, and 60 Hz |
| Resolution | 320 x 240, 4:3, and 200 PPI |
| Battery and cooling | 14500.0 |
| Storage and I/O | Internal MicroSD, Micro USB x2, Mini HDMI, and 3.5mm Headphone |
| Price | $30 + Pi + Battery (DIY) $60 + Battery (Pre-built) |
If this review pulls you in, the fastest next rabbit hole is Tiny GamePi15 and Game Hat, because those are the products most likely to clarify whether GamePi20 is your real match or just your current curiosity.
GamePi20 is described with battery: 14500.0. Those are not background details; they shape noise, comfort, endurance, and whether the device feels eager to be used or mildly exhausting to keep fed. Audio is covered by Single Mono Rear facing and 3.5mm Headphone, which matters for sofa play, travel, and late-night sessions when speakers and headphone output can quietly make or break the experience.
Physically, the device is outlined by 108 mm x 50 mm x 20 mm, 150.0, Plastic, and Black/Blue. This is where you start picturing whether it is truly pocketable, only jacket-safe, or clearly a bag companion. A handheld is only as portable as the friction it introduces. Too heavy, too hot, too awkward, and even strong specs start feeling theoretical.
The practical I/O story includes Internal MicroSD, Bluetooth, WiFi, Micro USB x2, and Mini HDMI. These details matter because many retro buyers are also collectors, tinkerers, dock-and-TV players, or people with large libraries that need sensible storage and transfer options.
GamePi20 is best framed as a machine for shoppers who want a focused retro machine with a clear role. That may sound obvious, but it is the difference between buying a handheld that becomes a habit and one that turns into a drawer resident.
The horizontal shape matters here because it changes comfort, portability, and the kind of nostalgia the device leans into. The fact that it runs Linux (RetroPie) also affects what kind of setup work, app ecosystem, and tinkering ceiling buyers should expect.
The release timing listed as 2019 / 08 helps place it in context. In this market, timing changes expectations: a device that felt expensive at launch can look sharply judged six months later, while a newer device may need to justify a premium.
The heart of the machine is the Broadcom BCM2835 (Raspberry Pi Zero WH). CPU duties are handled by ARM1176JZF-S. Graphics are handled by Broadcom VideoCore IV. Memory is listed at 512 MB DDR. The sheet rates the overall performance at ⭐️⭐️⭐️, or roughly 3 on the normalized scale.
The CPU side is described with 1 Core, 1 Thread, and 1.0 GHz, which is more useful than brand names alone because it hints at how much headroom the handheld should have before emulator tuning gets annoying. On the graphics side, 250 MHz and ARM helps sketch the ceiling for heavier systems, upscale experiments, and shader curiosity.
GamePi20 looks strongest with Game Boy (A), NES (A), Sega Genesis (A), and Game Boy Advance (B), which gives the review something more tangible than a vague "good for retro" verdict. The listed emulation limit, Most SNES runs at 60 FPS but lags with FX & Mode 7 games, most 2D PS1 runs fine (not all at full 60 FPS) but lags with 3D games, is the kind of line buyers should actually respect because it tells you where the romance ends and the compromise begins.
The middle tier of compatibility, including Super Nintendo (C) and PlayStation 1 (C), is where the buyer needs some honesty. These are usually the systems that separate a casual dabbler from a user who is happy tweaking emulator settings, testing cores, or accepting the occasional rough edge.
| Console | Angle | Price | Performance | Why Click Through |
|---|---|---|---|---|
Tiny GamePi15 WaveShare | Closest Match | $30 + Pi + Battery | ⭐️⭐️⭐️ | same operating system, tracked around $30 + Pi + Battery, rated ⭐️⭐️⭐️. |
Game Hat WaveShare | More Powerful | $40 + Pi + Battery | ⭐️⭐️⭐️⭐️ | same operating system, horizontal layout, tracked around $40 + Pi + Battery. |
GPi Case Retroflag | Closest Match | $70 (+$36 for CM3 cartridge) (+$40 for CM4 cartridge) | ⭐️⭐️⭐️ | same operating system, tracked around $70 (+$36 for CM3 cartridge) (+$40 for CM4 cartridge), rated ⭐️⭐️⭐️. |
G28 Dealbay | Closest Match | 30.0 | ⭐️⭐️⭐️½ | horizontal layout, tracked around 30.0, rated ⭐️⭐️⭐️½. |
GamePi20 becomes much easier to judge once it is forced into the same room as Tiny GamePi15, Game Hat, and GPi Case. This is where a vague impression turns into a real buying decision, because each nearby rival throws a different kind of pressure on the table.
GamePi20 versus Tiny GamePi15 is interesting because closest match is the obvious angle. Tiny GamePi15 sits close enough to GamePi20 to make the comparison meaningful, but different enough to sharpen the buying decision. Tiny GamePi15 is tracked around $30 + Pi + Battery. Its overall rating is ⭐️⭐️⭐️. GamePi20 versus Game Hat is interesting because more powerful is the obvious angle. Compared with GamePi20, Game Hat makes the more obvious play for readers who care about more powerful. Game Hat is tracked around $40 + Pi + Battery. That said, its overall rating is ⭐️⭐️⭐️⭐️. GamePi20 versus GPi Case is interesting because closest match is the obvious angle. If GamePi20 feels almost right but not quite, GPi Case is the sort of nearby detour that can completely change the shortlist. GPi Case is tracked around $70 (+$36 for CM3 cartridge) (+$40 for CM4 cartridge).
The real benefit of this comparison set is not that it declares a single winner. It reveals which compromise profile feels least annoying over time.
GamePi20 pairs the hardware with 2.0 inch, IPS, 60 Hz, 320 x 240, 4:3, and 200 PPI. That is the kind of detail stack retro buyers should linger on, because a handheld can be technically capable and still feel wrong if the aspect ratio, sharpness, and scaling story are off. The screen protection is listed as None (Protector only), a small clue that often hints at how polished or rough the front face might feel in daily use.
The controls are described with Separated Buttons Upper placement, 4 Buttons, and L1, R1. That matters more than many spec sheets admit, because the difference between a fun handheld and a fatiguing one often shows up in the D-pad, shoulder shape, and how naturally the thumbs settle into place. A device can run a game and still fail the vibe test if the controls feel like an afterthought.
The 4:3 aspect ratio adds another layer to the story. Retro gaming screens are never neutral. They reward some libraries, punish others, and always whisper a preference about how the device expects to be used.
GamePi20 is currently tracked around $30 + Pi + Battery (DIY) $60 + Battery (Pre-built) and lands in the $050 - $75 pricing band. Price does not just change whether a device feels affordable. It changes what kinds of flaws buyers are willing to forgive.
The spreadsheet points shoppers toward WaveShare, Aliexpress, and Amazon for availability. That matters because storefront quality, shipping confidence, and after-sales expectations often shape the emotional experience of a purchase before the box even arrives. The listed strengths orbit around portability.
The tradeoffs are not buried, either: the sheet flags separated d-pad, face buttons rotate so letters can be upside down or sideways. The smartest shortlist is usually the one that sees the flaw clearly and decides it is either acceptable or disqualifying before the credit card comes out.
GamePi20 leaves the strongest impression when you frame it as a recommendation for shoppers who want a focused retro machine with a clear role. That is the lens that makes the strengths feel intentional instead of accidental.
Budget shortlist candidate is not just a catchy label here. It is the cleanest shorthand for why this device deserves attention. The compatibility profile around Game Boy (A), NES (A), Sega Genesis (A), and Game Boy Advance (B) gives it a concrete identity. The main caution remains separated d-pad, face buttons rotate so letters can be upside down or sideways.
If the device sparks your interest, the smartest next click is usually Tiny GamePi15, followed by Game Hat, because that is where the shape of the market around it comes into focus. That is what a good review should do: not close the conversation, but sharpen the next choice.
Games shown here match systems this handheld can run at a B grade or better.
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