Compare Planet Cube: Edge prices across trusted key stores and find the best deal. Developed by Sunna Entertainment. Published by Balor Games. Released on 2/23/2023. Available on PC, Xbox. Genres: Action, Adventure, Indie.

High-speed pixel platformer set in a hand-crafted underwater science complex. Run, gun, dash, and collect firepower against a mysterious invader.

Planet Cube: Edge is a precision action-platformer from Sunna Entertainment, and it wears its influences openly without being embarrassed about them. You are dropped into a hand-crafted pixel art underwater facility mid-invasion, and the game wastes almost no time before asking your fingers to earn their keep. The core loop is tight: run fast, jump precisely, dash through enemy fire, and pick up new weapons that gradually shift the power dynamic against whatever force has decided your science complex deserves to burn. It is the kind of game that lives or dies by feel, and the feel here is genuinely good. Movement has a crispness to it that suggests someone spent real time tuning the numbers, not just shipping defaults. The pixel art is the first thing you will notice and probably the thing you will mention to a friend afterward. It is not the lazy retro shorthand that floods the storefront. The environments in the underwater complex have a specific texture to them, a coldness and depth, and the enemy designs read clearly against backgrounds that could have easily turned into visual noise. Small studios live and die by this kind of discipline in their art direction, and Sunna Entertainment mostly gets it right. The soundtrack supports the mood rather than fighting it, which is more than you can say for a lot of entries in this space. Precision platforming means the difficulty is real. If you bruise easily when a jump kills you for the fifth time, this is probably not your weekend game. But the game is honest about what it is asking of you. Checkpoints are placed with enough generosity that frustration does not curdle into boredom, and learning a difficult section feels like a genuine conversation between the player and the designer rather than a punishment handed down from above. The weapon pickups give you enough variety to feel progression without bloating the experience into something padded. Where it stumbles slightly is in the depth of its narrative. The invasion premise is functional, and there is atmosphere to spare, but if you came expecting a story with real emotional weight or memorable characters, you will find the cupboard fairly sparse. This is a game that speaks through its movement and environment more than its writing. That is a legitimate choice, and one that suits the pacing, but it is worth knowing before you sit down. For a game with 151 Steam reviews landing at 87 percent positive, Planet Cube: Edge occupies a strange blind spot in the coverage landscape. It is exactly the kind of tightly scoped, handcrafted experience that deserves more eyes than it has gotten. If you have a soft spot for precision platformers that know their own length and do not overstay their welcome, this one is worth your attention. Kai, Scout Team

Planet Cube: Edge

Planet Cube: Edge

Feb 23, 2023Sunna EntertainmentBalor Games
GamerScout Says

High-speed pixel platformer set in a hand-crafted underwater science complex. Run, gun, dash, and collect firepower against a mysterious invader.

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Historical low: €1.98

GamerScout Verdict

A crisp, honest precision platformer with genuine craft in its art and movement - best for players who respect a tight 6-hour challenge.

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Price History

Historical low
€1.9826 Jun 2026
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€1.92€2.13€2.34€2.555 Jun16 Jun27 Jun7 Jul18 Jul
5 Jun — 18 Jul
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Screenshots & Media

About Planet Cube: Edge

Planet Cube: Edge is a precision action-platformer from Sunna Entertainment, and it wears its influences openly without being embarrassed about them. You are dropped into a hand-crafted pixel art underwater facility mid-invasion, and the game wastes almost no time before asking your fingers to earn their keep. The core loop is tight: run fast, jump precisely, dash through enemy fire, and pick up new weapons that gradually shift the power dynamic against whatever force has decided your science complex deserves to burn. It is the kind of game that lives or dies by feel, and the feel here is genuinely good. Movement has a crispness to it that suggests someone spent real time tuning the numbers, not just shipping defaults. The pixel art is the first thing you will notice and probably the thing you will mention to a friend afterward. It is not the lazy retro shorthand that floods the storefront. The environments in the underwater complex have a specific texture to them, a coldness and depth, and the enemy designs read clearly against backgrounds that could have easily turned into visual noise. Small studios live and die by this kind of discipline in their art direction, and Sunna Entertainment mostly gets it right. The soundtrack supports the mood rather than fighting it, which is more than you can say for a lot of entries in this space. Precision platforming means the difficulty is real. If you bruise easily when a jump kills you for the fifth time, this is probably not your weekend game. But the game is honest about what it is asking of you. Checkpoints are placed with enough generosity that frustration does not curdle into boredom, and learning a difficult section feels like a genuine conversation between the player and the designer rather than a punishment handed down from above. The weapon pickups give you enough variety to feel progression without bloating the experience into something padded. Where it stumbles slightly is in the depth of its narrative. The invasion premise is functional, and there is atmosphere to spare, but if you came expecting a story with real emotional weight or memorable characters, you will find the cupboard fairly sparse. This is a game that speaks through its movement and environment more than its writing. That is a legitimate choice, and one that suits the pacing, but it is worth knowing before you sit down. For a game with 151 Steam reviews landing at 87 percent positive, Planet Cube: Edge occupies a strange blind spot in the coverage landscape. It is exactly the kind of tightly scoped, handcrafted experience that deserves more eyes than it has gotten. If you have a soft spot for precision platformers that know their own length and do not overstay their welcome, this one is worth your attention.

Kai
Kai · Scout Team

Indie & narrative

Tags

steamPrecision PlatformerDash MechanicWeapon PickupsUnderwater SettingHandcrafted Pixel ArtHigh-Speed MovementShort-Form ExperienceSolo Developer Feel

System Requirements

Minimum

OS
Windows 7 or newer
Processor
Intel Core i3 M380
Memory
2 GB RAM
Graphics
Intel HD 4000
DirectX
Version 10
Storage
1200 MB available space

Recommended

Requires a 64-bit processor and operating system

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Reviews & Ratings

Steam
87%(151)

Game Info

Developer
Sunna Entertainment
Publisher
Balor Games
Release Date
Feb 23, 2023

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Frequently asked questions about Planet Cube: Edge

How much does Planet Cube: Edge cost?

Planet Cube: Edge pricing changes often and varies by store, edition and region. The live price table on this page compares the cheapest in-stock offers from trusted key stores like Eneba and Kinguin, so you always see the current lowest price before you buy.

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What platforms is Planet Cube: Edge available on?

Planet Cube: Edge is available on PC, Xbox.

When was Planet Cube: Edge released?

Planet Cube: Edge was released on 23 February 2023.

Who developed Planet Cube: Edge?

Planet Cube: Edge was developed by Sunna Entertainment and published by Balor Games.