Only Up Blox !

Only Up Blox is one of Roblox's earliest vertical climbing obbies, created by solo developer awkro in March 2018 - more than five years before the Only Up genre exploded with the viral PC game in 2023. Players start near a scrapyard and climb upward through wildly varied terrain with no fixed route and no hand-holding, across a course that has accumulated nearly 30 million visits and 89K favorites over its eight-year lifespan.

Unlike most obbies, there is no single correct path upward. Players jump into surfaces to trigger a contact-based climbing mechanic that lets you scale almost any object, with the optimal route left entirely up to you:

• 🗺️ Choosing your own line upward through the course with no forced path or checkpoint gates
• ⏳ Using Sprint (Shift on PC, LT on console) to extend jump distance across wider gaps between platforms
• ⏳ Rolling (V on PC, RT on console) to reposition quickly after landing on tricky sections
• 🏆 Reaching Checkpoints scattered through the course that save your height so falls cost less progress
• 💰 Collecting Coins and Hats found along the route for light cosmetic customization
• 🎭 Competing with up to 19 other players who may find completely different routes to the summit

The contact-based climbing mechanic is the defining feature - jumping into any surface initiates a grab that lets you scale it, rewarding experimentation over memorizing a fixed path. Falling between Checkpoints costs meaningful progress, but reaching the summit triggers a completion cutscene marking a genuine achievement.

Only Up Blox predates and outlasts most vertical climbing games on Roblox. If you want a more modern take on the genre, Only Up by Firefly Game offers a polished experience built on the same concept.