Welcome to Retro Flash and the Arcade Bouldering Community! Retro Flash is the Ultimate Spray Wall App, designed with every member of the climbing community in mind!

Retro Flash offers a variety of unique tools to ensure that climbers have everything they need to get the most out of their spray walls. One of the standout features is the support for symmetrical, partly symmetrical, adjustable, and private walls. This allows climbers to customize their climbing experience to their liking.

Another great feature is the ability to set different types of problems on your wall, such as circuits or even competition boulders. This adds a new level of challenge and variety to your training sessions.

The wall upgrades in Retro Flash take your climbing walls to the next level, opening up a host of new possibilities. The best part is that you can even upgrade your walls by yourself, giving you the freedom to continuously improve your climbing environment.

Retro Flash also supports popular grading systems like Fontainebleau, Dankyu, and Hueco. Additionally, you have the option to define your own grading systems or even deactivate grading altogether, allowing for a customizable climbing experience.

Download Retro Flash now and become a part of our growing community of climbers. Get ready to take your climbing to new heights!