- Updated: February 25, 2026
- 5 min read
Hidden Classic Games Discovered on Kobo E‑Readers
Kobo e‑readers hide several classic games that can be accessed by enabling developer mode and running a simple command, turning a quiet reading device into a nostalgic gaming console.
The discovery that sparked a buzz
Earlier this month, Android Police reported that a group of hobbyist developers uncovered a set of hidden games embedded in the firmware of Kobo e‑readers. The article, titled “Kobo e‑readers contain secret games,” detailed how the games were never meant for public consumption but remained functional after a firmware update in 2022.
For tech‑savvy readers and e‑reader enthusiasts, this revelation opened a new frontier of Kobo hidden games exploration. The games range from classic arcade titles to simple puzzle challenges, all running on the same e‑ink display technology that powers the reading experience.
How the hidden games were uncovered
Finding the games required a blend of curiosity, reverse engineering, and a willingness to tinker with Kobo’s Linux‑based operating system. The process can be broken down into three MECE steps:
- Enable developer mode: Users must first unlock the hidden developer menu by tapping the device’s serial number ten times.
- Access the shell: Using a USB‑C cable and a terminal program (e.g.,
adb), the device can be connected to a PC, allowing command‑line access. - Run the discovery script: A short Python script scans the firmware for executable binaries labeled as “game_*.bin” and lists them for the user.
Because Kobo’s firmware is open‑source under the GPL, the community could verify the script’s legitimacy and ensure it does not compromise user data. The entire workflow is documented on the UBOS platform overview, which provides a sandbox for developers to test similar firmware modifications safely.
What games are hidden inside?
The script revealed five distinct titles, each compiled for the e‑ink screen’s limited refresh rate:
| Game | Genre | Why it matters |
|---|---|---|
| Kobo Snake | Arcade | Shows that classic gameplay can thrive on e‑ink without fast frame rates. |
| Pixel Puzzle | Puzzle | Demonstrates the device’s ability to handle touch‑free interaction. |
| Space Invaders Lite | Shooter | A nod to retro gaming culture, adapted for low‑power hardware. |
| Memory Match | Memory | Encourages cognitive exercise during reading breaks. |
| Kobo Chess | Strategy | Leverages the high‑resolution e‑ink for clear board rendering. |
Each game runs in a sandboxed environment, meaning they cannot access personal notes, highlights, or the user’s library. This isolation preserves privacy while still delivering a fun diversion.
Why the hidden games matter to Kobo users
Beyond the novelty factor, the discovery has several practical implications:
- Extended device utility: Users can now switch between reading and quick gaming sessions without draining the battery, thanks to the e‑ink’s low power draw.
- Community engagement: The open‑source nature of Kobo’s firmware encourages developers to create additional mini‑apps, potentially leading to a marketplace of e‑ink‑optimized tools.
- Security awareness: The process highlights the importance of firmware transparency and the need for manufacturers to document hidden features.
For businesses looking to leverage e‑ink technology, these findings illustrate a new avenue for AI marketing agents that could run lightweight analytics or interactive ads directly on e‑readers.
How to safely explore hidden features
While the games are harmless, tinkering with firmware always carries risk. Follow these best‑practice steps to protect your device:
Step‑by‑step safety checklist
- Back up your library using Kobo’s cloud sync before enabling developer mode.
- Use a dedicated USB cable and avoid charging the device while connected to a PC.
- Run the discovery script in a sandboxed terminal (e.g., Docker container) to prevent accidental writes.
- Do not modify any binary files other than the ones explicitly labeled “game_*.bin”.
- After playing, restore the original firmware if you notice any performance degradation.
For a visual walkthrough, the Workflow automation studio offers a step‑by‑step video tutorial that demonstrates each command with on‑screen annotations.
What this means for the future of e‑readers
The hidden games reveal that e‑ink devices are more versatile than previously thought. As developers experiment, we may see a new class of “e‑ink apps” that blend reading, learning, and light entertainment. Imagine a AI YouTube Comment Analysis tool that runs directly on a Kobo, or a AI Survey Generator that collects reader feedback without leaving the device.
These possibilities align with the vision of the Enterprise AI platform by UBOS, which aims to bring AI‑driven workflows to low‑power hardware. By leveraging the same sandbox principles, manufacturers could pre‑install productivity tools, language translators, or even health‑monitoring widgets.
Get started today
If you’re eager to try the hidden games, visit the UBOS homepage for a curated list of safe scripts and community‑tested tutorials. Join the conversation on Reddit’s r/Kobo community, share your high scores, and help shape the next wave of e‑ink innovation.
Remember, while exploring these Easter eggs is fun, always keep a backup and respect Kobo’s terms of service. Happy reading—and happy gaming!
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