

Not Lonely Up!
Breakfast · 2026 · Adventure, Casual, Female Protagonist, Action, Singleplayer
PC
Positive100% · 10
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About Not Lonely Up!
A “non-frustrating” 3D action game where you jump upward
Chase your heart into the sky. In an anime-inspired world set in Japan, a charming office lady challenges boundless heights. Jump, climb, and sometimes fall—all to catch the “heart balloon” a boy let go. Checkpoints are placed throughout, allowing instant recovery with a single button press. Auto-save is also supported, allowing you to progress bit by bit even during short play sessions. Advance through the game to unlock new outfits and freely customize your appearance. Mystical stages inspired by Japanese cityscapes, shrines, and aerial gardens hide multiple paths leading to the goal. No matter how long it takes, if you don't give up, you will surely reach it—a story of climbing “upward” slowly and steadily, alone.Features
This is an “Only Up!” type game. However, a single mistake won't be fatal; you can resume from checkpoints at various locations. If you keep progressing, even little by little, you will definitely clear it. We've minimized the “unfairness” and “endless backtracking” common in this genre,focusing instead on the world's atmosphere and the pure joy of climbing anywhere.It's also designed for casual play in short bursts, perfect for those who can't dedicate long stretches of time.Touch the pink backpacks scattered throughout the stageto change into different outfits.You can also change into any acquired outfit at any time from the settings screen.Not just climbing upward, but there are also stages and effects that let you enjoy the worldview at various points.What Steam players say
Recent verbatim reviews from Steam — separate from playze.io community reviews below.
Charming climbing adventure with pretty views and soft pacing. Relaxing to explore and easy to pick up, perfect for casual fun.4 found this helpful
Because the girl is cute, you can keep going without getting discouraged, no matter how many times you fail. There are also plenty of save points, making it easy to retry even difficult tricks again and again. If you’re not afraid of heights… I recommend it.3 found this helpful
I went into this not knowing what to expect, just figured it was a casual climbing game. 4.5 hours later and I had to put it down because I had to do other stuff. It's surprisingly fun, and not as frustrating as you'd think. I don't know if I'm anywhere near the end (I'm currently somewhere above the planet in space) but I do recommend this if you're lookin for a cute climbing game with a bit of a challenge.3 found this helpful
fun climbing game varied environments and challenges kept it engaging, important considering there's checkpoints. There's alternate routes too for people who want to climb again3 found this helpful
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