[DPad] Up = K:Up Down = K:Down Left = K:Left Right = K:Right
⭐⭐⭐⭐☆ (4/5) – essential tool, but user responsibility matters.
The keys will be saved to SD:/tik2sd/keys.txt . 2. Setup keys.txt in Cemu
Let me know how you'd like to ! Share public link
By default, keys.txt is located in the root of your . If it exists: Open it with any text editor (like Notepad). keystxt for cemu better
When you load a game, Cemu scans your keys.txt file to find the correct key. If your file is bloated with hundreds of duplicate keys, fake keys, or keys for games you don't own, Cemu has to work harder. This creates a minor but measurable latency during game boot-up.
[Triggers] Trigger_Left = AnalogFromKey:Q:0.8 ; map ZL to analog partial Trigger_Right = AnalogFromKey:W:1.0
Historically, the keys.txt file contained the generalized Wii U common keys. While still useful, Cemu’s architecture evolved to rely heavily on Title Keys for decrypting specific games.
Optimizing Cemu for a better experience involves configuring the keys.txt file with correct game keys, selecting the right graphic packs for your hardware, and adjusting core settings like the graphics API and shader compilation. Fine-tuning these aspects will help ensure smoother performance, enhanced visuals, and overall stability for your favorite Wii U games. [DPad] Up = K:Up Down = K:Down Left
Older, incomplete key lists won't work on games released late in the Wii U's lifespan.
The file must be plain text. Rich text formatting (RTF) or Word documents will fail.
The only legal way to obtain a keys.txt file is to dump the keys from your own personal Wii U console.
There are a few ways to obtain an updated keystxt file: Setup keys
This guide will explain what the keys.txt file does, how to obtain it properly, and how to use it to get better, more reliable game performance in Cemu in 2026. What is a keys.txt File and Why Do You Need It?
It allows you to run DLCs and Title Updates properly, which often require specific keys.
Obtain a keys.txt file from a legitimate source, open it in a text editor, and add one line per game in the format [Title Key] # [Game Name] . Place the file in the same directory as Cemu.exe .