Stack Summit.

How to play Stack Summit

Space drops the moving slab. Only the overlap remains as the next foundation. Stack 14 floors; a slab with less than 12 pixels of overlap ends the run.

Controls

• Space / Enter — Drop slab

Use the on-screen directional and action buttons on a phone. Read the guide before choosing Start; the clock waits. Pause lets you take a break. Choose Chill, Standard or Expert before the run. Daily challenges use Standard.

Keep this game for Flight mode

Open the arcade and use this game’s Flight mode save button. It verifies the game files in this browser. Save while connected, then reopen Nuna Gaming before travelling. Browser storage can be cleared or evicted; export progress from Privacy & local saves for a personal backup.

Choose your way to play

This is a reflex & precision challenge. Explore this play style or compare controls, pace and comfort options. Difficulty describes mechanics, not an age recommendation.

Your progress

Personal bests and completed challenges stay on this device. Favourites keep games on your shelf. There is no public ranking or account synchronisation.

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