Background

Only Up!, developed by SCKR Games, became a viral sensation for its unforgiving, one-directional vertical platforming — climbing an increasingly surreal, dreamlike series of floating structures with absolutely no way to go back down safely. A single fall from height typically sends you plummeting all the way back to the start, giving it the same "extreme setback punishment" tension found in games like Getting Over It, but applied to jump-based platforming instead of a single-tool physics climb.

Its surreal, ever-changing environments — shifting from mundane structures to increasingly abstract and fantastical landscapes the higher you climb — became a large part of its viral appeal, giving streamers and viewers a constant stream of new visuals alongside the escalating tension of each risky jump.

How to Play

• WASD — move; Mouse — look around; Spacebar — jump.
• Climb the vertical world carefully, since falling can send you back to the very start.
• Plan each jump deliberately rather than rushing risky platforming sections.
• Reach as high as possible, ideally completing the full climb to the top.

Goal & Purpose

The objective is to climb as high as possible without falling, since a single mistake can undo a huge amount of progress — patience and careful platforming matter far more than speed.

Why Play Only Up!

Its unforgiving, high-stakes climb made it a genuine viral phenomenon. GBK Games also has Getting Over It for another legendarily punishing climbing challenge.