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Skyward Bastion is a promising roguelite tower defense on floating islands, but still a work in progress in early access
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Skyward Bastion is a promising roguelite tower defense on floating islands, but still a work in progress in early access

Defending floating islands in a roguelite tower defense with an enticing concept. Skyward Bastion lays good foundations, but its early access still needs content and balance.

A

Alexandrosse

·28 juillet 2026·5 min read

InsertCoins.press Score

6/10

Verdict

Mixed

Floating islands have that immediate evocative power, that promise of adventure suspended above the clouds that seduces before the first match. Skyward Bastion makes them its setting for a tower defense tinged with roguelite, where you defend your sky bastions against waves of attackers. The concept is enticing and the base solid, but you have to be honest upfront: this game is a work in progress, an owned early access that builds its edifice over time and with its community. You have a promise, not yet a finished game.

Skyward Bastion, a roguelite tower defense on floating islands

The context

Skyward Bastion is a roguelite tower defense developed by a solo developer, available on PC in early access. You defend floating islands against waves of enemies, in a loop that blends turret placement and roguelite progression. The developer fully owns the approach: early access serves to build the game with the community, because aspects like balance, progression, difficulty scaling and replayability improve enormously once tested by real players. The core content is in place, but many additions are planned, more turrets, enemies and bosses, upgrades, rounds and mechanics, plus a visual overhaul. So it's a game in the making, to judge as such.

The gameplay: good sky foundations

The heart of Skyward Bastion is its tower defense loop backed by a roguelite structure, and it already works in its fundamentals. You place and upgrade your turrets to defend your floating islands, you face growing waves, and the roguelite layer renews the runs by varying the possibilities from one match to the next. The floating-island setting gives the game a pleasant visual identity and an atmosphere that sets it apart from the mass of ground-based tower defenses. It's a healthy, legible and satisfying base for the genre fan, with that familiar pleasure of building a defense that holds firm against adversity.

But the essential, at this stage, lies in the promise more than the present. The developer announces content set to grow considerably, with new turrets, new enemies and bosses, more rounds, mechanics and a graphics overhaul. It's that roadmap that gives early access its meaning: the current game is a solid skeleton, and its real interest will be measured by what it becomes. For a solo-developer project, laying functional fundamentals is already a success, and the approach of co-building with the community is healthy, provided you accept accompanying a game still finding itself.

Skyward Bastion, placing your turrets to defend your sky bastions

What sticks

You have to be frank about the game's status: Skyward Bastion is an early access, with everything unfinished that implies. Balance, progression, difficulty scaling and replayability are precisely the aspects the developer acknowledges needing to refine over feedback, which means at launch, these pillars aren't yet finished. A tower defense is judged on the finesse of its balance and the richness of its content, and on both grounds, the game is still under construction. Whoever seeks a complete, polished experience will walk on, or wait for a more advanced version.

The other reservation is the very nature of the project and the genre. A solo-developer roguelite tower defense depends entirely on its ability to flesh out its content and refine its systems over time, and nothing guarantees the promised roadmap will materialize at the hoped-for pace. The launch content, while it lays foundations, stays limited, and the announced visual overhaul reminds us even the presentation isn't yet at its final level. It's a title to approach while supporting an independent creator and betting on its evolution, rather than expecting a finished game. The promise is there, enticing, but it demands patience and trust.

Skyward Bastion, an early access building its content over the updates

What we take away

Skyward Bastion is a roguelite tower defense with an enticing concept, carried by its floating-island setting and a healthy gameplay base. Its loop of turret placement and defense, backed by a roguelite structure that renews the runs, works in its fundamentals, and its sky atmosphere gives it a pleasant identity that sets it apart from classic tower defenses. For a solo-developer project, laying such functional foundations is already an achievement, and the announced roadmap hints at a game that could grow nicely.

You just have to approach it for what it is: a work in progress. Its owned early access means balance, progression and content are still under construction, precisely the pillars of a good tower defense, and the promised visual overhaul isn't there yet. It's a game to support by betting on its evolution, accompanying an independent creator rather than expecting a finished experience. The floating-island promise is beautiful and the foundations are healthy, but Skyward Bastion still has to grow to fully deliver its concept. To follow, with patience.

Verdict

A roguelite tower defense on floating islands with an enticing concept and healthy foundations, but still a work in progress in early access, whose balance, content and presentation remain to be fleshed out.

Strengths:

  • A floating-island setting with a pleasant visual identity
  • A healthy, functional roguelite tower defense base
  • An ambitious roadmap, turrets, enemies, bosses and overhaul
  • A healthy co-building approach for a solo developer

Weaknesses:

  • An early access with pillars (balance, progression) still under construction
  • Limited launch content and a visual overhaul yet to come
  • A success entirely hinging on the roadmap materializing

Tested on PC, in early access.

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